CN205595266U - Load switch - switch -fuse combination electrical equipment trip gear - Google Patents
Load switch - switch -fuse combination electrical equipment trip gear Download PDFInfo
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- CN205595266U CN205595266U CN201620358648.0U CN201620358648U CN205595266U CN 205595266 U CN205595266 U CN 205595266U CN 201620358648 U CN201620358648 U CN 201620358648U CN 205595266 U CN205595266 U CN 205595266U
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- switch
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- slide plate
- cam
- trip gear
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Abstract
The utility model provides a load switch switch -fuse combination electrical equipment trip gear relates to electrical equipment. Load switch switch -fuse combination electrical equipment trip gear includes: the fixed plate, be equipped with cam drive mechanism on the fixed plate, cam drive mechanism sets up in the impinger top, cam drive mechanism and slide contact, so that the slide along with cam drive mechanism's rotation and removing, and then the separating brake operation is realized to the contact interlock that drives load switch, change power and travel direction through cam drive mechanism many times, simplified trip gear's structure, make load switch switch -fuse combination electrical equipment simple structure is compact, because the motion of cam drive mechanism is the positive drive, the separating brake reaction that makes the impinger action arouse is more reliable, has improved load switch switch -fuse combination electrical equipment 's stability and reliability.
Description
Technical field
This utility model relates to electric equipment, particularly relates to a kind of switch-fuse combination and threads off
Device.
Background technology
Switch-fuse combination is a kind of switchgear, is generally used for controlling and protecting infrequently grasping
The power supply unit made, including on-load switch, fuse and the dropout being connected between on-load switch, fuse
Device；Wherein, fuse is with ram, and when the melt of fuse fuses, ram clashes into dress of threading off
Put, make on-load switch separating brake by trip gear.
In prior art, trip gear generally includes linkage, and linkage includes multiple connecting rod and connecting lever；
Wherein, the head end of linkage is for contacting with ram, and tail end connects with the spring energy-storage assembly of on-load switch
Connect；When occurring in that the fault currents such as short circuit current in the circuit of on-load switch, during fuse blows, it clashes into
Device ejects and clashes into the head end of linkage, stirs spring energy-storage assembly with release by the tail end of linkage
Spring potential energy, thus realize on-load switch separating brake.But, the structure of linkage is more complicated, and motion warp
Cross multiple transition so that its reliability is relatively low.
Utility model content
For drawbacks described above of the prior art, this utility model provides a kind of on-load switch-fuse combination
Electrical equipment trip gear, it is possible to increase the stability of on-load switch fuse combined electric apparatus and reliability.
First aspect of the present utility model is to provide a kind of switch-fuse combination dropout dress
Put, including: fixed plate, described fixed plate is provided with cam drive, and described cam drive sets
Putting above ram, described cam drive contacts with slide plate, so that described slide plate is along with described convex
The rotation of wheel drive mechanism and move, and then drive the contact of on-load switch to interlock.
Further, described fixed plate being additionally provided with slide plate base, described slide plate passes through the second bolt and institute
State slide plate base to connect；Described slide plate base is provided with the chute that the screw rod with described second bolt coordinates,
So that described slide plate moves up and down relative to described slide plate base.
Further, described cam drive includes: be rotatably connected in described fixed plate first is convex
Wheel, is equipped with the first cam bearing shock above each ram, each described first cam is by even
Fishplate bar connects；Be rotatably connected to the second cam on described slide plate base, described second cam also with described company
Fishplate bar is rotationally connected, and described second cam contacts with described slide plate.
Further, described fixed plate is provided with at least one for limiting described first cam direction of rotation
Gripper shoe.
Further, described second cam is rotatably connected on described slide plate base by the first bolt.
Further, described slide plate extends vertically for the top board with described second cam contact.
Further, described slide plate deviates from one end of described cam drive and is provided with pressing plate, described pressing plate
Being rotatably connected on described slide plate, described pressing plate is for driving the contact of described on-load switch to interlock.
Further, described pressing plate deviates from one end of described slide plate and is provided with on installing plate, and described installing plate is used
In installing on-load switch.
Further, described switch-fuse combination trip gear also includes: switching winding is pacified
Dress plate, described switching winding installing plate is provided with switching winding, and described slide plate is provided with separating brake touch panel,
Described separating brake touch panel is arranged on above described switching winding, described upwards to be supported by described switching winding
Separating brake touch panel drives described slide plate to move.
Further, described switching winding installing plate is fixed in described fixed plate；Described switching winding is pacified
Dress plate is provided with fusing direction board.
The switch-fuse combination trip gear that this utility model provides, described trip gear bag
Including: described cam drive, described cam drive is arranged on above described ram, described convex
Wheel drive mechanism contacts with slide plate, so that described slide plate moves along with the rotation of described cam drive,
And then drive the contact of described on-load switch to interlock, it is achieved sub-switching operation, by cam drive repeatedly
Change power and the direction of motion, greatly simplifie the structure of trip gear so that this on-load switch-fusing
Device combined electrical apparatus simple in construction, compact, and the motion of cam drive belongs to and be rigidly connected, make due to
The separating brake reaction that ram action causes is relatively reliable, thus improves on-load switch fuse combined electric apparatus
Stability and reliability.
Accompanying drawing explanation
Fig. 1 is the structure of this utility model switch-fuse combination trip gear one embodiment
Schematic diagram；
Fig. 2 is the knot of this utility model switch-fuse combination another embodiment of trip gear
Structure schematic diagram.
Wherein,
10-ram；21-fixed plate；
22-cam drive；221-the first cam；
222-connecting plate；223-the second cam；
224-gripper shoe；23-slide plate；
231-slide plate base；232-the second bolt；
233-chute；234-top board；
235-separating brake touch panel；24-pressing plate；
25-installing plate；26-switching winding installing plate；
27-fuses direction board.
Detailed description of the invention
Below in conjunction with the accompanying drawings, embodiments more of the present utility model are elaborated.Do not conflict
In the case of, the feature in following embodiment and embodiment can be mutually combined.
Fig. 1 is the structure of this utility model switch-fuse combination trip gear one embodiment
Schematic diagram；Refer to Fig. 1, the present embodiment provides a kind of switch-fuse combination trip gear,
Including: fixed plate 21, fixed plate 21 is provided with cam drive 22, and cam drive 22 is arranged
Above ram 10, cam drive 22 contacts with slide plate 23, so that slide plate 23 is along with cam
The rotation of drive mechanism 22 and move, and then drive the contact of on-load switch to interlock.
Specifically, on-load switch can be three pole on-load switches, the most corresponding fuse；Any one
The ram 10 of fuse ejects, and the contact of on-load switch can be driven to interlock by trip gear, from
And realize separating brake.In the present embodiment, fixed plate 21 can be fixed on the housing of on-load switch；Ram
10 can be gunpowder formula ram or spring ram；Ram 10 could alternatively be striker.
The switch-fuse combination trip gear that the present embodiment provides, fuse and on-load switch
Being interlocked by trip gear, trip gear includes: cam drive 22, and cam drive 22 sets
Putting above ram 10, cam drive 22 contacts with slide plate 23, so that slide plate 23 is along with convex
The rotation of wheel drive mechanism 22 and move, and then drive the contact of on-load switch to interlock, it is achieved sub-switching operation,
The direction of power and motion is varied multiple times by cam drive, greatly simplifies the structure of trip gear,
Make this on-load switch fuse combined electric apparatus simple in construction, compact, contribute to reducing on-load switch fusing
The installation time of device combined electrical apparatus, and the movement travel of cam drive is reliable, makes due to ram 10
The separating brake reaction that action causes is relatively reliable, thus improves stablizing of on-load switch fuse combined electric apparatus
Property and reliability, reduce fault rate.
Fig. 2 is the knot of this utility model switch-fuse combination another embodiment of trip gear
Structure schematic diagram；Refer to Fig. 2, further, fixed plate 21 is additionally provided with slide plate base 231, slide plate
23 are connected with slide plate base 231 by the second bolt 232；Slide plate base 231 is provided with and the second bolt
The chute 233 that the screw rod of 232 coordinates, so that slide plate 23 moves up and down relative to slide plate base 231.
Further, cam drive 22 includes: the first cam being rotatably connected in fixed plate 21
221, it is equipped with first cam 221 bearing shock, each first cam above each ram 10
221 are connected by connecting plate 222；Being rotatably connected to the second cam 223 on slide plate base 231, second is convex
Wheel 223 is also rotationally connected with connecting plate 222, and the second cam 223 contacts with slide plate 23.
In the present embodiment, when on-load switch is threephase switch, correspondingly, there are three rams 10, often
Individual ram 10 is arranged over one first cam 221, can be by connecting plate 222 by three the first cams
221 connect, and connecting plate 222 can be shaft-like；First cam 221 can be rotated even by the first bolt
Being connected in fixed plate 21, the first cam 221 is fixing with connecting plate 222 to be connected；Second cam 223 passes through
First bolt is rotatably connected on slide plate base 231, and the second cam 223 is rotationally connected by the first bolt
On connecting plate 222, to limit the direction of rotation of the second cam 223；Fixed plate 21 is provided with at least one
The individual gripper shoe 224 for limiting the first cam 221 direction of rotation.
In the present embodiment, slide plate 23 extends vertically the top board 234 for contacting with the second cam 223,
When the second cam 223 rotates, slide plate 23 is driven to move by top board 234.
Further, slide plate 23 deviates from cam drive 22 and is provided with pressing plate 24, and pressing plate 24 is rotatable
Being connected on slide plate 23, pressing plate 24 deviates from one end of slide plate 23 and is provided with on installing plate 25, installing plate 25
Being arranged on on-load switch, pressing plate 24 is for driving the energy storage release device of on-load switch.It is preferred that pressure
Plate 24 leads to the first bolt and is rotatably connected on slide plate 23.
The separating brake process of the switch-fuse combination of the present embodiment can be:
When exceeding rated current by the electric current of the melt of fuse, due to the effect of joule's heat energy, molten
Body generate heat, when melt temperature reaches its fusion temperature, melt fuse, ram 10 eject i.e. from lower toward
Upper action；The first cam 221 supported by ram 10 so that the first cam 221 supporting at ram 10
Turn clockwise under the restriction effect of top effect and gripper shoe, then connecting rod moves right, and drives second convex
Wheel 223 rotates counterclockwise；Under the drive of the second cam 223 and the restriction effect of chute 233, slide plate
23 move up, and band dynamic pressure plate 24 turns clockwise, thus pressing plate 24 deviates from one end of slide plate 23
Support the energy storage release device of on-load switch, make on-load switch realize sub-switching operation, it is to avoid transformator lacks
Run mutually.
Further, switch-fuse combination also includes: switching winding installing plate 26, point
Being provided with switching winding on lock coil mounting plate 26, slide plate 23 is provided with separating brake touch panel 235, and separating brake touches
Plate 235 is arranged on above switching winding, sliding upwards to be supported separating brake touch panel 235 drive by switching winding
Plate 23 moves.
In the present embodiment, switching winding installing plate 26 can be fixed in fixed plate 21；Switching winding is pacified
Distance between dress plate 26 and separating brake touch panel 235 can be configured according to actual needs；Separating brake touch panel
235 are separately positioned on the both sides of slide plate 23 with top board 234.It is preferred that switching winding installing plate 26 is also
Fusing direction board 27 for indicating melt to fuse can be installed.
The separating brake process of the switch-fuse combination of the present embodiment can be:
When the transformator of switch-fuse combination is overheated, it is arranged on switching winding installing plate
Switching winding on 26 produces the action upwards supporting separating brake touch panel 235；Upwards supporting at switching winding
Under effect, slide plate 23 moves up, and band dynamic pressure plate 24 turns clockwise, thus pressing plate 24 deviates from cunning
The energy storage release device of on-load switch is supported in one end of plate 23, makes on-load switch realize sub-switching operation, keeps away
Exempt from Transformer Phase-deficient Operation.
In the various embodiments described above, the deadweight of trip gear in switch-fuse combination can be relied on
Realize the reset of pressing plate 24.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, and
Non-to its restriction；Although this utility model being described in detail with reference to foregoing embodiments, ability
The those of ordinary skill in territory is it is understood that it still can be to the technical scheme described in foregoing embodiments
Modify, or the most some or all of technical characteristic is carried out equivalent；And these amendment or
Person replaces, and does not make the essence of appropriate technical solution depart from the model of this utility model each embodiment technical scheme
Enclose.
Claims (10)
1. a switch-fuse combination trip gear, it is characterised in that including: fixing
Plate, described fixed plate is provided with cam drive, and described cam drive is arranged on above ram,
Described cam drive contacts with slide plate, so that described slide plate is along with the rotation of described cam drive
And move, and then the contact of on-load switch is driven to interlock.
Switch-fuse combination trip gear the most according to claim 1, its feature
Being, described fixed plate is additionally provided with slide plate base, described slide plate is at the bottom of by the second bolt and described slide plate
Seat connects；Described slide plate base is provided with the chute that the screw rod with described second bolt coordinates, so that described
Slide plate moves up and down relative to described slide plate base.
Switch-fuse combination trip gear the most according to claim 2, its feature
Being, described cam drive includes: the first cam being rotatably connected in described fixed plate, each
Being equipped with the first cam bearing shock above ram, each described first cam is connected by connecting plate；
Being rotatably connected to the second cam on described slide plate base, described second cam also rotates even with described connecting plate
Connect, and described second cam contacts with described slide plate.
Switch-fuse combination trip gear the most according to claim 3, its feature
Being, described fixed plate is provided with at least one for the gripper shoe limiting described first cam direction of rotation.
Switch-fuse combination trip gear the most according to claim 3, its feature
Being, described second cam is rotatably connected on described slide plate base by the first bolt.
Switch-fuse combination trip gear the most according to claim 4, its feature
It is, described slide plate extends vertically for the top board with described second cam contact.
7. according to the switch-fuse combination trip gear described in any one of claim 1-6,
It is characterized in that, described slide plate deviates from one end of described cam drive and is provided with pressing plate, and described pressing plate can
Being rotatably connected on described slide plate, described pressing plate is for driving the contact of described on-load switch to interlock.
Switch-fuse combination trip gear the most according to claim 7, its feature
Being, described pressing plate deviates from one end of described slide plate and is provided with on installing plate, and described installing plate is used for installing negative
Lotus switchs.
9. according to the switch-fuse combination trip gear described in any one of claim 1-6,
It is characterized in that, described switch-fuse combination trip gear also includes: switching winding is installed
Plate, described switching winding installing plate is provided with switching winding, and described slide plate is provided with separating brake touch panel, institute
State separating brake touch panel and be arranged on above described switching winding, upwards to support described point by described switching winding
Lock touch panel drives described slide plate to move.
Switch-fuse combination trip gear the most according to claim 9, its feature
Being, described switching winding installing plate is fixed in described fixed plate；Set on described switching winding installing plate
There is fusing direction board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358648.0U CN205595266U (en) | 2016-04-25 | 2016-04-25 | Load switch - switch -fuse combination electrical equipment trip gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358648.0U CN205595266U (en) | 2016-04-25 | 2016-04-25 | Load switch - switch -fuse combination electrical equipment trip gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205595266U true CN205595266U (en) | 2016-09-21 |
Family
ID=56936018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620358648.0U Active CN205595266U (en) | 2016-04-25 | 2016-04-25 | Load switch - switch -fuse combination electrical equipment trip gear |
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| Country | Link |
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| CN (1) | CN205595266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845536A (en) * | 2017-10-27 | 2018-03-27 | 深圳市惠程电气股份有限公司 | A kind of trip gear for gas-insulated ring network cabinet |
| CN110459427A (en) * | 2019-06-27 | 2019-11-15 | 许继集团有限公司 | A kind of switch-fuse combination and its trip gear |
| CN112825294A (en) * | 2019-11-21 | 2021-05-21 | 河南森源电气股份有限公司 | Tripping mechanism of fuse |
-
2016
- 2016-04-25 CN CN201620358648.0U patent/CN205595266U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845536A (en) * | 2017-10-27 | 2018-03-27 | 深圳市惠程电气股份有限公司 | A kind of trip gear for gas-insulated ring network cabinet |
| CN110459427A (en) * | 2019-06-27 | 2019-11-15 | 许继集团有限公司 | A kind of switch-fuse combination and its trip gear |
| CN112825294A (en) * | 2019-11-21 | 2021-05-21 | 河南森源电气股份有限公司 | Tripping mechanism of fuse |
| CN112825294B (en) * | 2019-11-21 | 2022-11-29 | 河南森源电气股份有限公司 | Tripping mechanism of fuse |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |