CN108777444A - A kind of ac voltage control device - Google Patents
A kind of ac voltage control device Download PDFInfo
- Publication number
- CN108777444A CN108777444A CN201810814691.7A CN201810814691A CN108777444A CN 108777444 A CN108777444 A CN 108777444A CN 201810814691 A CN201810814691 A CN 201810814691A CN 108777444 A CN108777444 A CN 108777444A
- Authority
- CN
- China
- Prior art keywords
- sliding groove
- top pressure
- arm
- chamber
- sliding
- 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.)
- Withdrawn
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a kind of ac voltage control devices,Including cabinet,Opening is provided in the cabinet towards left and upper and lower spaced multiple cabinet chambers,It is slidably fitted with drawer box in the cabinet chamber,It is provided in the drawer box opening up and to install the box chamber of electrical equipment,The drawer box right side, which is installed with, connects electric block,It is described to connect the first sliding groove for being provided in electric block and communicating up and down,First sliding groove is slidably fitted with power connecting arm,It is provided with the second sliding groove being connected with the cabinet chamber in the cabinet chamber right end wall,It is slidably fitted with sliding shoe in second sliding groove,Opening is provided in the sliding shoe towards a left side and with the third sliding groove for connecing the cooperation of electric block,It is provided with opening up groove in the third sliding groove bottom wall,The power supply block being electrically connected with city is installed in the groove bottom wall,It is provided in the third sliding groove roof and heads into component to push into the power connecting arm in the groove.
Description
Technical field
The present invention relates to electric power facility field, specifically a kind of ac voltage control device.
Background technology
Distribution box is that switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are assembled in envelope by electrical wiring requirement
Close or semiclosed metal safe in or screen width on, constitute low-voltage distribution equipment.It can be connect by manual or automatic switch when normal operation
Logical or disjunction alternating current circuit.Running various parameters can be shown by means of measuring instrumentss, certain electric parameters can be also adjusted,
Signal is prompted or is sent out to deviateing normal operating conditions.Be usually used in it is each send out, match, in electric substation, and the distribution box of drawer type
It is also very common, when circuit breaks down, generally requires to be detected the electrical equipment in distribution box, and is detecting
When need to pull out in drawer, but many times need electrical equipment be powered in the state of can be accurately detected failure, and
Traditional distribution box easily causes the sliding of other drawers when pulling out drawer, and the power-off for being easy to happen distribution box shows
As being unfavorable for detecting and there are security risks.
Invention content
Deficiency in view of the above technology, the present invention propose a kind of ac voltage control device.
A kind of ac voltage control device of apparatus of the present invention, including cabinet, opening is provided in the cabinet towards left and
Upper and lower spaced multiple cabinet chambers are slidably fitted with drawer box in the cabinet chamber, are provided in the drawer box opening up
And to install the box chamber of electrical equipment, the drawer box right side, which is installed with, connects electric block, and described connect in electric block is provided with
The first sliding groove communicated up and down, first sliding groove is slidably fitted with the power connecting arm to be powered to electrical equipment, described
It is provided with the second sliding groove being connected with the cabinet chamber in cabinet chamber right end wall, cunning is slidably fitted in second sliding groove
Motion block, opening is provided in the sliding shoe towards a left side and with the third sliding groove for connecing electric block cooperation, the third sliding groove
It is provided with groove that is opening up and coordinating with the power connecting arm in bottom wall, is installed in the groove bottom wall and is electrically connected with city
The power supply block connect is provided in the third sliding groove roof and heads into group to push into the power connecting arm in the groove
Part, the component that heads into includes the 4th cunning for being arranged in the third sliding groove roof and being connected with the third sliding groove
Dynamic slot and the top pressure arm being slidably mounted in the 4th sliding groove, top pressure arm lower face left side are provided with first tiltedly
Face, is installed with the first calutron in the third sliding groove roof, top pressure arm upper end be installed with it is described
First armature block of the first calutron cooperation, it is described to connect for being provided on the upside of electric block right side and coordinating with first inclined-plane
Two inclined-planes, the third sliding groove right side are provided with rotation chamber, setting are connected between the rotation chamber and the third sliding groove
There is a straight slot, spool is rotatably mounted with by rotation axis in the rotation chamber, the rotation axis front end is rotatably mounted
In the rotation chamber front bulkhead, rear end and the driving motor be connected by power being fixedly mounted in the rotation cavity rear end wall, institute
It states and is provided with winding slot in spool, the winding slot is wound with transmission rope, the one end of the transmission rope far from the spool
It is fixedly connected across the straight slot and with the sliding shoe, external toothing, the rotation chamber is additionally provided on the spool periphery
It is provided with to lock the locked component of the spool in roof.
Further technical solution, the locked component include be arranged in the rotation chamber roof and with the rotation chamber
The 5th sliding groove being connected and the lock arm being slidably mounted in the 5th sliding groove, the lock arm lower end are provided with
With the sticking department of external toothing cooperation, the second calutron, the locking are installed in the 5th sliding groove roof
Arm upper end is installed with the second armature block being fixedly connected with second calutron, the 5th sliding groove left hand end wall
In be symmetrically arranged with the first limiting slot, be slidably fitted in first limiting slot be fixedly connected with the lock arm first limit
Position block, first limited block upper surface is installed with the first top pressure bullet being fixedly connected with the first limiting slot roof
Spring, first top pressure spring is making the sticking department extend into the rotation chamber the downward top pressure of the first limited block
In with the external toothing coordinate.
Further technical solution, is symmetrically arranged with the second limiting slot in the first sliding groove left hand end wall, and described
The second limited block being fixedly connected with the power connecting arm is slidably fitted in two limiting slots, second limited block lower face is fixed
Be equipped with second top pressure spring that is fixedly connected of the second limit groove bottom wall, second top pressure spring is to by described the
The upward top pressure of two limited blocks and make the power connecting arm upper and lower ends respectively with described to connect electric block upper and lower ends concordant.
Further technical solution, is symmetrically arranged with third limiting slot in the 4th sliding groove left hand end wall, and described
The third limited block being fixedly connected with the top pressure arm is slidably fitted in three limiting slots, third limited block upper surface is fixed
The third top pressure spring being fixedly connected with the third limiting slot upper end wall is installed, the third top pressure spring will be to will be described
The downward top pressure of third limited block and so that first inclined-plane is stretched out the 4th sliding groove.
The shape and size of the cross section of further technical solution, the top pressure arm and the power connecting arm are equal.
Further technical solution, the elastic force of the third top pressure spring are more than the elastic force of second top pressure spring, from
And in the top pressure arm and the power connecting arm when on same vertical line, the top pressure arm can push into the power connecting arm described
The power connecting arm is set to offset with the power supply block in groove.
The beneficial effects of the invention are as follows：
When mounted, the drawer box is pushed into the cabinet chamber for apparatus of the present invention, described after the drawer box slides to the right
It connects electric block to can be plugged into the third sliding groove, second inclined-plane may act on first inclined-plane, described so as to make
Top pressure arm upward sliding, when it is described connect electric block and the third sliding groove right end wall and offset when, in the third top pressure spring
Under effect, the top pressure arm slide downward and by the power connecting arm lower end push into the groove and with the power supply block phase
It supports, the electrical equipment in the box chamber thus can be made to be powered；
Needing to take out the drawer box from the cabinet chamber makes, and so that first calutron is powered, first electromagnetic installing
It sets and may act on the first armature block upward sliding, the top pressure arm can thus be retracted in the 4th sliding groove, by
This can run it is described connect electric block and extracted from the third sliding groove, then the drawer box is pulled out from the cabinet chamber；
When needing maintenance, second calutron is made to be powered, and drives the spool counterclockwise using the driving motor
Rotation, second calutron may act on second armature block, and the sticking department thus can be made to be detached from the external toothing
Engagement, and the spool can run the sliding shoe after rotating counterclockwise and pull out to the left, then by the drawer box from institute
It states and pulls out in cabinet chamber and the electrical equipment of its inside is overhauled；
After maintenance, second calutron is set to be powered, and turn clockwise using spool described in the driving electric drive
It is dynamic, thus the spool can be made to be furled to transmission rope and the sliding shoe is driven to slide to the right, the sliding shoe can band
It moves the drawer box to slide to the right, when the drawer box offsets with the cabinet chamber right end wall, stops the driving motor, and make
Second calutron is powered；
Apparatus of the present invention are simple in structure, easy to use, safe, and installation and maintenance are all very convenient.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only one invented
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of ac voltage control device of the present invention.
Fig. 2 is the structure enlargement diagram of region of interest in Fig. 1.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive spy
Other than sign and/or step, it can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.
As shown in Figs. 1-2, a kind of ac voltage control device of apparatus of the present invention, including cabinet 10, in the cabinet 10
Opening is provided with towards left and upper and lower spaced multiple cabinet chambers 13, drawer box 11 is slidably fitted in the cabinet chamber 13, it is described
It is provided with opening up and to install the box chamber 12 of electrical equipment in drawer box 11,11 right side of the drawer box is fixedly mounted
Electric block 41 is connect, described to connect the first sliding groove for being provided in electric block 41 and communicating up and down, first sliding groove is slidably fitted with
To the power connecting arm 38 being powered to electrical equipment, to be connected with the cabinet chamber 13 is provided in 13 right end wall of the cabinet chamber
Two sliding grooves are slidably fitted with sliding shoe 14 in second sliding groove, opening is provided in the sliding shoe 14 towards a left side and with
The third sliding groove 46 for connecing the cooperation of electric block 41, is provided with opening up in 46 bottom wall of third sliding groove and is connect with described
The groove 39 that electric arm 38 coordinates is installed with the power supply block 40 be electrically connected with city, the third cunning in 39 bottom wall of the groove
It is provided in 46 roof of dynamic slot the power connecting arm 38 to be pushed into the component that heads into the groove 39, it is described to head into component
Including the 4th sliding groove 29 that is arranged in 46 roof of third sliding groove and is connected with the third sliding groove 46 and
The top pressure arm 27 being slidably mounted in the 4th sliding groove 29,27 lower face of the top pressure arm left side are provided with the first inclined-plane
34, the first calutron 28 is installed in 46 roof of third sliding groove, and 27 upper end of top pressure arm is installed with
With the first armature block 30 of first calutron 28 cooperation, described connect is provided with and described first on the upside of 41 right side of electric block
The second inclined-plane 42 that inclined-plane 34 coordinates, the right side of the third sliding groove 46 are provided with rotation chamber 15, the rotation chamber 15 with it is described
It is provided with and communicated with straight slot 43 between third sliding groove 46, spiral is rotatably mounted with by rotation axis 17 in the rotation chamber 15
Cylinder 16,17 front end of the rotation axis is installed in rotation in 15 front bulkhead of rotation chamber, rear end and described in being fixedly mounted on
The driving motor be connected by power in 15 aft bulkhead of chamber is rotated, winding slot 45, the winding slot 45 are provided in the spool 16
Be wound with transmission rope 26, the one end of the transmission rope 26 far from the spool 16 pass through the straight slot 43 and with the sliding shoe
14 are fixedly connected, and external toothing 44 is additionally provided on 16 periphery of the spool, is provided with to lock in 15 roof of rotation chamber
The locked component of the fixed spool 16.
Valuably or illustratively, wherein the locked component include be arranged in 15 roof of rotation chamber and with institute
Rotation the 5th sliding groove 24 being connected of chamber 15 and the lock arm 21 being slidably mounted in the 5th sliding groove 24 are stated, it is described
21 lower end of lock arm is provided with the sticking department 18 coordinated with the external toothing 44, is fixedly mounted in 24 roof of the 5th sliding groove
There are the second calutron 25,21 upper end of the lock arm to be installed with second be fixedly connected with second calutron 25
Armature block 23, is symmetrically arranged with the first limiting slot 19 in 24 left hand end wall of the 5th sliding groove, in first limiting slot 19
It is slidably fitted with the first limited block 20 being fixedly connected with the lock arm 21,20 upper surface of the first limited block is fixedly mounted
There is the first top pressure spring 22 being fixedly connected with 19 roof of the first limiting slot, first top pressure spring 22 will be to will be described
First limited block, 20 downward top pressure and make the sticking department 18 extend into the rotation chamber 15 and the external toothing 44 coordinate.
Valuably or illustratively, wherein the second limiting slot 37 is symmetrically arranged in the first sliding groove left hand end wall,
The second limited block 35 being fixedly connected with the power connecting arm 38, second limit are slidably fitted in second limiting slot 37
35 lower face of block is installed with the second top pressure spring 36 being fixedly connected with 37 bottom wall of the second limiting slot, second top
Pressing spring 36 is making 38 upper and lower ends of the power connecting arm connect electricity with described respectively second limited block, 35 upward top pressure
41 upper and lower ends of block are concordant.
Valuably or illustratively, wherein be symmetrically arranged with third limiting slot in 29 left hand end wall of the 4th sliding groove
32, the third limited block 33 being fixedly connected with the top pressure arm 27, the third are slidably fitted in the third limiting slot 32
33 upper surface of limited block is installed with the third top pressure spring 31 being fixedly connected with 32 upper end wall of third limiting slot, described
Third top pressure spring 31 is slided to make 33 downward top pressure of the third limited block first inclined-plane 34 to stretch out the described 4th
Dynamic slot 29.
Valuably or illustratively, wherein the shape and size of the cross section of the top pressure arm 27 and the power connecting arm 38
It is equal.
Valuably or illustratively, wherein the elastic force of the third top pressure spring 31 is more than second top pressure spring 36
Elastic force, to which in the top pressure arm 27 and the power connecting arm 38, when on same vertical line, the top pressure arm 27 can will be described
Power connecting arm 38 pushes into the groove 38 and the power connecting arm 38 is made to offset with the power supply block 40.
In the initial state, 28 and second calutron 25 of an electric calutron is in power-off shape to apparatus of the present invention
State, the sliding shoe 14 are located in second sliding groove, and the transmission rope 26 is furled and makes the biography by the spool 16
Running rope 26 be tensioned, under the action of the first top pressure spring 22, first limited block, 20 downward top pressure and make the locking
Portion 18 is extend into the rotation chamber 15 to be coordinated with the external toothing 44, and thus the sliding shoe 14 can not be drawn out, described
Under the action of second top pressure spring 36, second limited block 35 distinguishes 38 upper and lower ends of the power connecting arm by upward top pressure
It is concordant with 41 upper and lower ends of electric block that connect, under the action of third top pressure spring 31, the third limited block 33 by
Lower top pressure and so that first inclined-plane 34 is stretched out the 4th sliding groove 29.
When installation, the drawer box 11 is pushed into the cabinet chamber, it is described to connect electricity after the drawer box 11 slides to the right
Block 14 can be plugged into the third sliding groove 46, and second inclined-plane 43 may act on first inclined-plane 34, so as to make
27 upward sliding of top pressure arm, when it is described connect electric block 41 and 46 right end wall of the third sliding groove and offset when, in the third
Under the action of top pressure spring, 27 slide downward of top pressure arm and by 38 lower end of the power connecting arm push into the groove and with
The power supply block 40 offsets, and the electrical equipment in the box chamber thus can be made to be powered；
Needing to take out the drawer box 11 from the cabinet chamber makes, and first calutron 28 is made to be powered, first electricity
Magnetic device 28 may act on 30 upward sliding of the first armature block, and the top pressure arm 27 thus can be made to be retracted to the described 4th and slided
In dynamic slot 29, thus can run it is described connect electric block 41 and extracted from the third sliding groove, then by the drawer box from described
It is pulled out in cabinet chamber；
When needing maintenance, second calutron 25 is made to be powered, and drives the spool 16 inverse using the driving motor
Hour hands rotate, and second calutron 25 may act on second armature block 23, and the sticking department thus can be made to be detached from institute
The engagement of external toothing 44 is stated, and the spool 16 can run the sliding shoe 14 after rotating counterclockwise and pull out to the left, then will
The drawer box is pulled out from the cabinet chamber and is overhauled to the electrical equipment of its inside；
After maintenance, second calutron 25 is made to be powered, and utilizes 16 up time of spool described in the driving electric drive
Needle rotates, and thus the spool 16 can be made to furl transmission rope 26 and the sliding shoe 14 is driven to slide to the right, described
Sliding shoe 14 can drive the drawer box to slide to the right, when the drawer box offsets with the cabinet chamber right end wall, described in stopping
Driving motor, and second calutron 25 is made to be powered.
The beneficial effects of the invention are as follows：Apparatus of the present invention when mounted, the drawer box are pushed into the cabinet chamber, institute
It states after drawer box slides to the right, described to connect electric block and can be plugged into the third sliding groove, second inclined-plane may act on institute
The first inclined-plane is stated, so as to make the top pressure arm upward sliding, electric block is connect when described and offsets with the third sliding groove right end wall
When, under the action of the third top pressure spring, the top pressure arm slide downward and the power connecting arm lower end is pushed into described
It offsets in groove and with the power supply block, the electrical equipment in the box chamber thus can be made to be powered；
Needing to take out the drawer box from the cabinet chamber makes, and so that first calutron is powered, first electromagnetic installing
It sets and may act on the first armature block upward sliding, the top pressure arm can thus be retracted in the 4th sliding groove, by
This can run it is described connect electric block and extracted from the third sliding groove, then the drawer box is pulled out from the cabinet chamber；
When needing maintenance, second calutron is made to be powered, and drives the spool counterclockwise using the driving motor
Rotation, second calutron may act on second armature block, and the sticking department thus can be made to be detached from the external toothing
Engagement, and the spool can run the sliding shoe after rotating counterclockwise and pull out to the left, then by the drawer box from institute
It states and pulls out in cabinet chamber and the electrical equipment of its inside is overhauled；
After maintenance, second calutron is set to be powered, and turn clockwise using spool described in the driving electric drive
It is dynamic, thus the spool can be made to be furled to transmission rope and the sliding shoe is driven to slide to the right, the sliding shoe can band
It moves the drawer box to slide to the right, when the drawer box offsets with the cabinet chamber right end wall, stops the driving motor, and make
Second calutron is powered；
Apparatus of the present invention are simple in structure, easy to use, safe, and installation and maintenance are all very convenient.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of ac voltage control device, including cabinet, opening is provided in the cabinet towards left and spaced up and down
Multiple cabinet chambers are slidably fitted with drawer box in the cabinet chamber, are provided in the drawer box opening up and electrical to install
The box chamber of element, the drawer box right side, which is installed with, connects electric block, described to connect first for being provided in electric block and communicating up and down
Sliding groove, first sliding groove are slidably fitted with the power connecting arm to be powered to electrical equipment, are set in the cabinet chamber right end wall
It is equipped with the second sliding groove being connected with the cabinet chamber, sliding shoe, the sliding are slidably fitted in second sliding groove
Opening is provided in block towards a left side and with the third sliding groove for connecing the cooperation of electric block, is provided with out in the third sliding groove bottom wall
Mouth upward and with the groove of power connecting arm cooperation, be installed with the power supply block being electrically connected with city, institute in the groove bottom wall
It states and is provided in third sliding groove roof the power connecting arm to be pushed into the component that heads into the groove, it is described to head into group
Part includes being arranged in the third sliding groove roof and the 4th sliding groove being connected with the third sliding groove and sliding
Top pressure arm in the 4th sliding groove, top pressure arm lower face left side are provided with the first inclined-plane, and the third is slided
It is installed with the first calutron in dynamic groove top wall, top pressure arm upper end is installed with matches with first calutron
The first armature block closed, described connect are provided with the second inclined-plane coordinated with first inclined-plane on the upside of electric block right side, and described the
Rotation chamber is provided on the right side of three sliding grooves, is provided with and communicated with straight slot between the rotation chamber and the third sliding groove, described turn
Spool is rotatably mounted with by rotation axis in dynamic chamber, before the rotation axis front end is installed in rotation on the rotation chamber
In end wall, rear end and the driving motor be connected by power being fixedly mounted in the rotation cavity rear end wall are arranged in the spool
There are winding slot, the winding slot to be wound with transmission rope, the one end of the transmission rope far from the spool passes through the straight slot simultaneously
It is fixedly connected with the sliding shoe, external toothing is additionally provided on the spool periphery, is arranged in the rotation chamber roof useful
To lock the locked component of the spool.
2. a kind of ac voltage control device according to claim 1, it is characterised in that：The locked component includes setting
The 5th sliding groove and be slidably mounted on the 5th sliding that chamber is connected are rotated in the rotation chamber roof and with described
Lock arm in slot, the lock arm lower end are provided with the sticking department coordinated with the external toothing, the 5th sliding groove roof
In be installed with the second calutron, the lock arm upper end is installed with to be fixedly connected with second calutron
Second armature block is symmetrically arranged with the first limiting slot in the 5th sliding groove left hand end wall, is slided in first limiting slot
The first limited block being fixedly connected with the lock arm is installed, first limited block upper surface is installed with and described
The first top pressure spring that one limiting slot roof is fixedly connected, first top pressure spring is pushing up downwards first limited block
It presses and so that the sticking department is extend into the rotation chamber and coordinate with the external toothing.
3. a kind of ac voltage control device according to claim 2, it is characterised in that：Described first sliding groove or so is held
It is symmetrically arranged with the second limiting slot in wall, second be fixedly connected with the power connecting arm is slidably fitted in second limiting slot
Limited block, second limited block lower face are installed with the second top pressure bullet being fixedly connected with the second limit groove bottom wall
Spring, second top pressure spring to the upward top pressure of the second limited block is made the power connecting arm upper and lower ends respectively with institute
State that connect electric block upper and lower ends concordant.
4. a kind of ac voltage control device according to claim 3, it is characterised in that：Described 4th sliding groove or so is held
It is symmetrically arranged with third limiting slot in wall, the third being fixedly connected with the top pressure arm is slidably fitted in the third limiting slot
Limited block, third limited block upper surface are installed with the third top pressure being fixedly connected with the third limiting slot upper end wall
Spring, the third top pressure spring is making the downward top pressure of third limited block first inclined-plane to stretch out the described 4th
Sliding groove.
5. a kind of ac voltage control device according to claim 1, it is characterised in that：The top pressure arm and described connect electricity
The shape and size of the cross section of arm are equal.
6. a kind of ac voltage control device according to claim 4, it is characterised in that：The bullet of the third top pressure spring
Power is more than the elastic force of second top pressure spring, thus in the top pressure arm and the power connecting arm when on same vertical line, institute
Stating top pressure arm can push into the power connecting arm in the groove and the power connecting arm is made to offset with the power supply block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814691.7A CN108777444A (en) | 2018-07-23 | 2018-07-23 | A kind of ac voltage control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814691.7A CN108777444A (en) | 2018-07-23 | 2018-07-23 | A kind of ac voltage control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108777444A true CN108777444A (en) | 2018-11-09 |
Family
ID=64030344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810814691.7A Withdrawn CN108777444A (en) | 2018-07-23 | 2018-07-23 | A kind of ac voltage control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635365A (en) * | 2019-10-08 | 2019-12-31 | 王朋 | Make things convenient for theftproof electric power cabinet of dismouting |
-
2018
- 2018-07-23 CN CN201810814691.7A patent/CN108777444A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635365A (en) * | 2019-10-08 | 2019-12-31 | 王朋 | Make things convenient for theftproof electric power cabinet of dismouting |
| CN110635365B (en) * | 2019-10-08 | 2020-12-18 | 苏州笑聪电气设备有限公司 | Make things convenient for theftproof electric power cabinet of dismouting |
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Application publication date: 20181109 |
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