CN207602463U - A kind of high-voltage switch cabinet grounding switch and the interlock at back door - Google Patents
A kind of high-voltage switch cabinet grounding switch and the interlock at back door Download PDFInfo
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- CN207602463U CN207602463U CN201721629428.8U CN201721629428U CN207602463U CN 207602463 U CN207602463 U CN 207602463U CN 201721629428 U CN201721629428 U CN 201721629428U CN 207602463 U CN207602463 U CN 207602463U
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- back door
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Abstract
The utility model discloses a kind of high-voltage switch cabinet grounding switch and the interlock at back door, including mechanical driving device and mechanical interlocking device；The mechanical driving device includes cone pinion, grounding switch main shaft, earthing switch breaking-closing operating axis before cone pinion, earthing switch large bevel gear, earthing switch after square set head, inter-axle shaft, first flange disk, second flange disk, turret head inter-axle shaft, earthing switch；The mechanical interlocking device includes rear gate interlock touch panel, back door unlock bent plate, back door interlock plate, back door interlock plate push rod, interlock bracket, slides jam plate balladeur train, slides jam plate, bent axle and crankshaft connecting rod axle.The present apparatus can effectively enhance the degree of protection of high-tension switch cabinet, can effectively prevent service personnel and non-service personnel mistakenly entering charged chamber by force.
Description
Technical field
The utility model is related to power switchgear field more particularly to a kind of high-voltage switch cabinet grounding switch and back doors
Interlock.
Background technology
At present, the interlocking at the metal-closed armor removing high-voltage switch earthing switches of domestic KYN61 and back door is to lean on
A radially-protruding stem-like hook is (hereinafter referred to as on grounding switch main shaft：Pike pole), in earthing switch divide-shut brake, main shaft rotation
Pike pole is driven to hook the back door being turned off when turning, reach locking back door purpose, be grounded the interlocking at switch and back door.Due to
Back door is larger, and bar structure only hooks up to a point at back door, when opening the door by force outside cabinet, after can just being made using the strength of very little
Door is deformed, and larger gap is formed between deformed back door and doorway, therefore protection level requirements are not achieved.
Meanwhile in the high-tension switch cabinet operation phase, Maintenance and Repair need to be carried out to equipment, and due to being grounded in existing design
Switch block is arranged at the doorway at back door, and service personnel should not enter in cabinet during maintenance, therefore is brought to maintenance larger
It is difficult.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of high-voltage switch cabinet grounding switch and back door
Interlock, when which is opened using back door, it is necessary to which the principle unscrewed again after first back door is lifted up limits it and carries upwards
It rises, to achieve the purpose that be latched back door.
To achieve these goals, the technical solution of the utility model is as follows：
A kind of high-voltage switch cabinet grounding switch and the interlock at back door are filled including mechanical driving device and mechanical chain
It puts；
The mechanical driving device passes after including square set head, inter-axle shaft, first flange disk, second flange disk, turret head
Cone pinion, grounding switch main shaft, ground connection before cone pinion, earthing switch large bevel gear, earthing switch after moving axis, earthing switch
Switch breaking-closing operating axis；Cone pinion and earthing switch breaking-closing operating axis connection, the ground connection are opened before the earthing switch
Large bevel gear is closed to connect with grounding switch main shaft, the earthing switch large bevel gear also respectively with cone pinion before earthing switch,
Cone pinion engages after earthing switch, and cone pinion is connect with turret head inter-axle shaft after the earthing switch, the turret head
Inter-axle shaft is connect with second flange disk, and the second flange disk is connect with first flange disk, and the first flange disk is passed with rear
Moving axis connects, and the inter-axle shaft is inserted into square set head and is fixedly connected；
The mechanical interlocking device, which includes rear gate interlock touch panel, back door unlock bent plate, back door interlock plate, back door interlock plate, to be pushed away
Bar, back door interlock bracket, slides jam plate balladeur train, slides jam plate, bent axle and crankshaft connecting rod axle back door interlock plate push rod saddle；Institute
It is adjacent with back door unlock bent plate to state rear gate interlock touch panel, is fixed on rear door of switch cabinet, the interlock bracket is fixed on switchgear
Afterwards on cabinet wall, the rear door interlocking plate is connected in interlock bracket, and can be horizontally rotated around interlock bracket, and its tail portion is from back door
It passes through, is connect with back door interlock plate push rod, the back door interlock plate push rod is pushed away across the back door interlock plate below unlock bent plate
Rod carrier, the slip jam plate balladeur train are fixed in interlock bracket, and the bent axle is through interlock bracket, one end and square set headgear
It connects, the other end and crankshaft-link rod axis connection, the crankshaft connecting rod axle realizes slide hinged, the slip with sliding one end of jam plate
The other end of jam plate passes through interlock bracket with sliding jam plate balladeur train.
Further, the turret head inter-axle shaft is keyed with second flange disk using slip, and for transmitting torque.
Further, embedding spindle nose is equipped between the turret head inter-axle shaft and second flange disk, for preventing hexagonal
Inter-axle shaft axial float.
Further, the first flange disk is connected with second flange disk.
Further, the hole of different number is respectively provided on the first flange disk and second flange disk border；
Further, the first flange disk and the hole on second flange disk border are odd number hole or even hole；
Further, after the first flange disk and second flange disk are connected, make the inter-axle shaft have 4 °~
6 ° of angle adjustment makes the bent axle being attached thereto have suitable corner, and jam plate is slided with reliable lock pin stroke to meet.
Further, the back door interlock plate push rod is set parallel with mechanical driving device.
Further, the back door interlock plate push rod moves reciprocatingly in the interlock plate push rod saddle of back door.
Further, the back door interlock plate push rod is resetted using back door interlock plate push rod reset tension spring.
Further, the back door interlock plate push rod saddle is fixed on switch cabinet body.
Further, described to slide the T shapes that jam plate is traverse, the perpendicular end of horizontal T shapes is provided with slotted hole.
Further, the crankshaft connecting rod axle passes through the slotted hole of above-mentioned slip jam plate, slip jam plate is driven to make laterally past
It is multiple mobile.
Further, the interlock bracket is equipped with mutual through oblong aperture with sliding jam plate balladeur train, to sliding jam plate
Penetrate the track to form constraint.
Further, the reciprocating movement track for sliding jam plate is located above back door unlock bent plate, back door is unlocked curved
Moving up and down for plate is controlled.
The operating principle of the utility model is：When operator carries out breaking-closing operating to earthing switch, grasped by divide-shut brake
Make bar, cone pinion rotates together before driving earthing switch breaking-closing operating axis and the earthing switch being attached thereto, and drives therewith
The earthing switch large bevel gear engaged with earthing switch cone pinion and the grounding switch main shaft being connect with large bevel gear rotate, real
The breaking-closing operating of existing earthing switch.While earthing switch large bevel gear rotates, the earthing switch being engaged with also is driven
Cone pinion and its rotation of the hexagonal inter-axle shaft of connection afterwards, so drive second flange disk, first flange disk, inter-axle shaft,
Square set is first and rotates, and then drives the crank rotation connect with square set headgear so that the pitman shaft of bent axle is swung therewith, so as to dial
The dynamic jam plate that slides slides, and realizes lock pin function.
Compared with prior art, the beneficial effects of the utility model are：
1. earthing switch and the interlock at back door that the utility model uses, when being opened using back door, it is necessary to first by after
The principle that door is unscrewed again after being lifted up, limits it and is lifted up, and to achieve the purpose that be latched back door, significantly enhances high pressure
The degree of protection of switchgear.
2. the interlock that the utility model uses is connected with earthing switch, after grounding switch tripping, back door can not
Opening is raised, only after earthing switch closes a floodgate, back door can just be raised and open, and non-service personnel can be effectively prevent to miss
Entering into charged intervals.
3. the utility model using mechanical drive shaft controlling back door interlocking device, increase earthing switch and back door it
Between space, be conducive to the equipment repair and maintenance in the high-tension switch cabinet operation phase.
Description of the drawings
Fig. 1 is the utility model interlock shaft side figure (right forward sight)；
Fig. 2 is the utility model interlock shaft side figure (left front to regard)；
Fig. 3 is the utility model earthing switch and the interlock schematic diagram (rearview) at back door；
Fig. 4 closes a floodgate for the utility model earthing switch, back door interlocking device schematic diagram；
Fig. 5 be the utility model grounding switch tripping, back door interlocking device schematic diagram；
Fig. 6 is the utility model some mechanical transmission device explosive view；
Fig. 7 is the utility model some mechanical transmission device installation diagram；
Wherein, 1, back door；2nd, rear gate interlock touch panel；3rd, rear door interlocking plate；4th, jam plate is slided；5th, crankshaft connecting rod axle；6th, join
Lock support；7th, bent axle；8th, square set head；9th, rear door interlocking plate push rod；10th, first flange disk；11st, second flange disk；12nd, ground connection is opened
Close large bevel gear；13rd, inter-axle shaft；14th, turret head inter-axle shaft；15th, cone pinion after earthing switch；16th, earthing switch master
Axis；17th, cone pinion before earthing switch；18th, earthing switch breaking-closing operating axis；19th, back door unlock bent plate；20th, jam plate is slided
Balladeur train；21st, M6 hex bolts；22nd, embedding spindle nose；23rd, slide key；24th, M6 hex nuts；25th, back door interlock plate push rod saddle.
Specific embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
In the utility model, term as " on ", " under ", "left", "right", "front", "rear", " vertical ", " level ",
The orientation or position relationship of the instructions such as " side ", " bottom " are based on orientation shown in the drawings or position relationship, only to facilitate chatting
It states each component of the present invention or component structure relationship and determining relative, not refers in particular to either component or element in the present invention, no
It is understood that as limitation of the present invention.
In the utility model, term such as " affixed ", " connected ", " connection ", " socket " should be interpreted broadly, and expression can be with
It is to be fixedly connected or be integrally connected or be detachably connected；It can be directly connected, it can also be by between intermediary
It connects connected.Related scientific research or technical staff for this field can determine above-mentioned term in the present invention as the case may be
Concrete meaning, it is impossible to be interpreted as limitation of the present invention.
As background technology is introduced, also yielding there are interlock in the prior art, switchgear degree of protection is low,
And the problem of can not overhauling switchgear operation phase, the technical issues of in order to solve as above, the application proposes a kind of high press off
Close cabinet earthing switch and the interlock at back door.
As shown in Figs. 1-2, a kind of high-voltage switch cabinet grounding switch and the interlock at back door, including mechanical driving device and
Mechanical interlocking device；
The mechanical driving device includes square set head (8), inter-axle shaft (13), first flange disk (10), second flange disk
(11), cone pinion (15), earthing switch large bevel gear (12), earthing switch after turret head inter-axle shaft (14), earthing switch
Preceding cone pinion (17), grounding switch main shaft (16), earthing switch breaking-closing operating axis (18)；Small bevel gear before the earthing switch
Wheel (17) is connect with earthing switch breaking-closing operating axis (18), the earthing switch large bevel gear (12) and grounding switch main shaft
(16) connect, the earthing switch large bevel gear (12) also respectively with it is small after cone pinion before earthing switch (17), earthing switch
Bevel gear (15) engages, and cone pinion (15) is connect with turret head inter-axle shaft (14) after the earthing switch, the turret head
Inter-axle shaft (14) is connect with second flange disk (11), and the second flange disk (11) connect with first flange disk (10), described
First flange disk (10) is welded with inter-axle shaft (13), and the inter-axle shaft (13) is inserted into square set head (8) and is fixedly connected；
The mechanical interlocking device include rear gate interlock touch panel (2), back door unlock bent plate (19), back door interlock plate (3), after
Couplet on the door jam plate push rod (9), interlock bracket (6), slides jam plate balladeur train (20), slides jam plate back door interlock plate push rod saddle (25)
(4), bent axle (7) and crankshaft connecting rod axle (5)；Gate interlock touch panel (2) is adjacent with back door unlock bent plate (19) after described, is fixed on out
It closes on cabinet back door, the interlock bracket (6) is fixed on after switchgear on cabinet wall, and the rear door interlocking plate (3) is connected to interlocking branch
On frame (6), and it can horizontally rotate around interlock bracket (6), and its tail portion passes through below back door unlock bent plate (19), after described
Couplet on the door jam plate push rod (9) connects, and the back door interlock plate push rod (9) is described across the back door interlock plate push rod saddle (25)
It slides jam plate balladeur train (20) to be fixed in interlock bracket (6), the bent axle (7) is through interlock bracket (6), one end and square set head
(8) it is socketed, the other end is connect with crankshaft connecting rod axle (5), and the crankshaft connecting rod axle (5) realizes cunning with sliding one end of jam plate (4)
Dynamic hinged, the other end for sliding jam plate (4) passes through interlock bracket (6) with sliding jam plate balladeur train (20).
As shown in fig. 7, the turret head inter-axle shaft (14) is connect with second flange disk (11) using slide key (23), and
For transmitting torque.
Embedding spindle nose (22) is equipped between the turret head inter-axle shaft (14) and second flange disk (11), for preventing six
Angle inter-axle shaft (14) axial float.
The first flange disk (10) is with second flange disk (11) using M6 hex bolts (21) and M6 hex nuts (24)
It is connected.
As shown in fig. 6, it is respectively provided with different number on the first flange disk (10) and second flange (11) disk border
Hole；
The first flange disk (10) is odd number hole or even hole with the hole on second flange disk (11) border；
After the first flange disk (10) is connected with second flange disk (11), make the inter-axle shaft being attached thereto
(13) there is 4 °~6 ° of angle adjustment, make the crankshaft connecting rod axle being connect with inter-axle shaft (5) that there is suitable corner when rotating.
As shown in Figure 1, gate interlock touch panel (2) is by being fixedly welded on rear door of switch cabinet after described.
The back door unlock bent plate (19) is installed on using screw on rear door of switch cabinet.
The rear door interlocking plate (3) is horizontally rotated with interlock bracket (6) using screw axis connection, and by axis of screw axis.
Rear door interlocking plate (3) tail portion and back door interlock plate push rod (9) are using screw axis connection, to the couplet on the door after pushing
Jam plate push rod reciprocatingly moves in back door interlock plate push rod saddle (25).
The back door interlock plate push rod (9) is set parallel with mechanical driving device.
The back door interlock plate push rod (9) is resetted using back door interlock plate push rod reset tension spring.
The back door interlock plate push rod saddle (25) is fixed on switch cabinet body.
Described to slide the T shapes that jam plate (4) is traverse, the perpendicular end of horizontal T shapes is provided with slotted hole.
The crankshaft connecting rod axle (5) drives slip jam plate (4) to make laterally past across the slotted hole of above-mentioned slip jam plate (4)
It is multiple to slide.
The interlock bracket (6) is with sliding jam plate balladeur train (20) equipped with mutual through oblong aperture, to the slide lock penetrated
The slip of plate (4) forms constrained trajectory.
The sliding trace for sliding jam plate (4) is located above back door unlock bent plate (19), to back door unlock bent plate (19)
Move up and down and controlled.
The operating principle of the utility model is：When operator carries out breaking-closing operating to earthing switch, grasped by divide-shut brake
Make bar, cone pinion (17) rotates together before driving earthing switch breaking-closing operating axis (18) and the earthing switch being attached thereto,
The earthing switch large bevel gear (12) engaged with earthing switch cone pinion (17) is driven therewith and is connect with large bevel gear (12)
Grounding switch main shaft (16) rotation, be grounded the breaking-closing operating of switch.It is rotated in earthing switch large bevel gear (12)
Meanwhile cone pinion (15) and its rotation of the hexagonal inter-axle shaft (14) of connection after the earthing switch being engaged with also are driven, into
And second flange disk (11), first flange disk (10), inter-axle shaft (13), square set head (8) is driven to rotate together, and then drive with
Bent axle (7) rotation of square set head (8) socket so that the pitman shaft (5) of bent axle is swung therewith, sliding so as to stir slip jam plate (4)
It is dynamic, realize lock pin function.
The specified operational procedure of the utility model is：
1) is latched the program at back door：Initial state is in closing position for earthing switch, and back door has been opened, with reference to Fig. 1,
Shown in Fig. 2, Fig. 3.As back door (1) progressively closes off, rear gate interlock touch panel (2) pushes the end of back door interlock plate (3), makes wherein
Portion is rotated using being fixed on the screw axis on stent (6) as axis, and tail portion then pushes back door interlock plate push rod (9) backward in rotary course
It is mobile, grounding switch tripping is operated and is unlocked, is closed in back door (1) after freely falling, earthing switch can carry out separating brake behaviour
Make, when grounding switch tripping, cone pinion (17) rotates before earthing switch breaking-closing operating axis (18) drives earthing switch, connects
Cone pinion (17) drives earthing switch large bevel gear (12) and the earthing switch master being connect with large bevel gear (12) before ground switch
Axis (16) rotates, so as to fulfill the sub-switching operation of earthing switch.After earthing switch large bevel gear (12) drives earthing switch simultaneously
Cone pinion (15) is rotated clockwise and (is seen from the front to the back), at this time turret head inter-axle shaft (14), ring flange 2 (11), ring flange 1
(10), inter-axle shaft (13), square set head (8) and bent axle (7) rotate clockwise simultaneously, and crankshaft connecting rod axle (5) is made to turn right,
Slip jam plate (4) is driven to form constrained trajectory along interlock bracket (6) and slip jam plate balladeur train (20) to move right, movement is in place
After be positioned above back door unlock bent plate (19), back door is prevented to unlock the upward action of bent plate (19) so that back door (1) cannot
It is lifted up, therefore also can not just open back door (1), realize back door (1) locking.(note：After back door (1) closing is freely fallen,
The button side formed after back door (1) upper end bending is respectively fallen in the slot that the rear door strap on doorframe is formed with doorframe, under back door (1)
The catching groove formed after the bending of end is buckled on the threshold of doorframe lower end, and back door (1) is firmly buckled on doorframe at this time, is only carried upwards
It rises back door (1), back door (1) could be opened, back door (1) is controlled back door (1) after closing by the position switching on and off of earthing switch
Lift action, be grounded the interlocking of switch and back door (1).)
2) program of open back doors：Initial state is in open position for earthing switch, and back door is turned off (locking), such as
Shown in Fig. 5.When wanting open back door (1), it is necessary to first earthing switch is closed a floodgate, when earthing switch closes a floodgate, earthing switch division
Cone pinion (17) rotates before lock operating shaft (18) drives earthing switch, and cone pinion (17) drives earthing switch before earthing switch
Large bevel gear (12) and grounding switch main shaft (16) rotation being connect with large bevel gear (12), so as to fulfill the combined floodgate of earthing switch
Operation.Cone pinion (15) does rotation counterclockwise (from the front to the back after earthing switch large bevel gear (12) drives earthing switch simultaneously
See), at this time turret head inter-axle shaft (14), ring flange 2 (11), ring flange 1 (10), inter-axle shaft (13), square set head (8) and
Bent axle (7) does rotation counterclockwise simultaneously, and crankshaft connecting rod axle (5) is made to turn left, and drives and slides jam plate (4) along interlock bracket
(6) it is moved to the left and has left above back door unlock bent plate (19) with slip jam plate balladeur train (20) formation constrained trajectory, relieve resistance
The only upward action of back door unlock bent plate (19) so that back door (1) can be lifted up, and can open back door (1).
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, on the basis of the technical solution of the utility model, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of high-voltage switch cabinet grounding switch and the interlock at back door, including mechanical driving device and mechanical interlocking device；
The mechanical driving device include square set head, inter-axle shaft, first flange disk, second flange disk, turret head inter-axle shaft,
Cone pinion, grounding switch main shaft, earthing switch before cone pinion, earthing switch large bevel gear, earthing switch after earthing switch
Breaking-closing operating axis；Cone pinion and earthing switch breaking-closing operating axis connection, the earthing switch are big before the earthing switch
Bevel gear is connect with grounding switch main shaft, the earthing switch large bevel gear also respectively with cone pinion before earthing switch, ground connection
Cone pinion engages after switch, and cone pinion is connect with turret head inter-axle shaft after the earthing switch, is passed after the turret head
Moving axis is connect with second flange disk, and the second flange disk is connect with first flange disk, the first flange disk and inter-axle shaft
Connection, the inter-axle shaft are inserted into square set head and are fixedly connected；
The mechanical interlocking device include rear gate interlock touch panel, back door unlock bent plate, back door interlock plate, back door interlock plate push rod,
Back door interlock plate push rod saddle, back door interlock bracket slide jam plate balladeur train, slide jam plate, bent axle and crankshaft connecting rod axle；After described
Gate interlock touch panel is adjacent with back door unlock bent plate, is fixed on rear door of switch cabinet, the interlock bracket is fixed on cabinet after switchgear
On wall, the rear door interlocking plate is connected in interlock bracket, and can be horizontally rotated around interlock bracket, and its tail portion is unlocked from back door
It passes through, is connect with back door interlock plate push rod, the back door interlock plate push rod is led across the back door interlock plate push rod below bent plate
Frame, the slip jam plate balladeur train are fixed in interlock bracket, and the bent axle connects through interlock bracket, one end with square set headgear,
The other end and crankshaft-link rod axis connection, the crankshaft connecting rod axle realize slide hinged, the slide lock with sliding one end of jam plate
The other end of plate passes through interlock bracket with sliding jam plate balladeur train.
2. a kind of high-voltage switch cabinet grounding switch as described in claim 1 and the interlock at back door, which is characterized in that described
Turret head inter-axle shaft is keyed with second flange disk using slip.
3. a kind of high-voltage switch cabinet grounding switch as described in claim 1 and the interlock at back door, which is characterized in that described
Embedding spindle nose is equipped between turret head inter-axle shaft and second flange disk.
4. a kind of high-voltage switch cabinet grounding switch as described in claim 1 and the interlock at back door, which is characterized in that described
The hole of different number, the first flange disk and second flange disk week are respectively provided on first flange disk and second flange disk border
Hole on circle is odd number hole or even hole.
5. a kind of high-voltage switch cabinet grounding switch as described in claim 1 or 4 and the interlock at back door, which is characterized in that
After the first flange disk is connected with second flange disk, make the inter-axle shaft that there is 4 °~6 ° of angle adjustment, so as to
Make the bent axle being attached thereto that there is suitable corner.
6. a kind of high-voltage switch cabinet grounding switch as described in claim 1 and the interlock at back door, which is characterized in that described
Back door interlock plate push rod is resetted using back door interlock plate push rod reset tension spring.
7. a kind of high-voltage switch cabinet grounding switch as described in claim 1 and the interlock at back door, which is characterized in that described
The T shapes that jam plate is traverse are slided, horizontal T shapes erect end and are provided with slotted hole.
8. a kind of interlock of the high-voltage switch cabinet grounding switch and back door as described in claim 1 or 7, which is characterized in that
The crankshaft connecting rod axle passes through the slotted hole for sliding jam plate, and slip jam plate is driven to make transverse reciprocating slip.
9. a kind of high-voltage switch cabinet grounding switch as described in claim 1 and the interlock at back door, which is characterized in that described
Interlock bracket is equipped with mutual through oblong aperture with sliding jam plate balladeur train, and constraint rail is formed to the slip of slip jam plate penetrated
Mark.
10. a kind of high-voltage switch cabinet grounding switch as described in claim 1 and the interlock at back door, which is characterized in that institute
The sliding trace for stating slip jam plate is located above back door unlock bent plate, and back door moving up and down for bent plate of unlock is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629428.8U CN207602463U (en) | 2017-11-29 | 2017-11-29 | A kind of high-voltage switch cabinet grounding switch and the interlock at back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629428.8U CN207602463U (en) | 2017-11-29 | 2017-11-29 | A kind of high-voltage switch cabinet grounding switch and the interlock at back door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602463U true CN207602463U (en) | 2018-07-10 |
Family
ID=62761527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629428.8U Active CN207602463U (en) | 2017-11-29 | 2017-11-29 | A kind of high-voltage switch cabinet grounding switch and the interlock at back door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116344177A (en) * | 2023-04-27 | 2023-06-27 | 中国长江电力股份有限公司 | Grounding connection structure for voltage transformer and use method |
-
2017
- 2017-11-29 CN CN201721629428.8U patent/CN207602463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116344177A (en) * | 2023-04-27 | 2023-06-27 | 中国长江电力股份有限公司 | Grounding connection structure for voltage transformer and use method |
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