CN203787339U - Indoor high-voltage vacuum circuit breaker - Google Patents
Indoor high-voltage vacuum circuit breaker Download PDFInfo
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- CN203787339U CN203787339U CN201320748021.2U CN201320748021U CN203787339U CN 203787339 U CN203787339 U CN 203787339U CN 201320748021 U CN201320748021 U CN 201320748021U CN 203787339 U CN203787339 U CN 203787339U
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- mounting panel
- energy storage
- axle
- spring
- pallet
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Abstract
The utility model belongs to the technical field of high-voltage electric appliances, and especially relates to an indoor high-voltage vacuum circuit breaker which has a modularized spring operating mechanism. The vacuum circuit breaker comprises a cabinet, a main shaft assembly, and a spring operating mechanism. The cabinet is formed by welding steel plates whose thickness is 4 mm. The main shaft is welded integrally by quenched and tempered steel and a connecting lever. The spring operating mechanism is formed by five function units of a motor, a switching-on spring, a maintaining shaft, an energy storage shaft, and a transition shaft, wherein four function units of the motor, the maintaining shaft, the energy storage shaft, and the transition shaft are fixed on two installing plates. An end of the switching-on spring is hung on the energy storage connecting lever, and the other end is hung on a spring hanging shaft of the installing plate. The vacuum circuit breaker is advantaged by comprising modularized function units, and the structure is simple, the number of components is few, manufacturing cost is low, and installation, debugging and maintenance are convenient.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, relates in particular to a kind of indoor high-voltage vacuum circuit breaker with modular springs operating mechanism.
Background technology
In high voltage electrical apparatus technical field, AC high voltage vacuum breaker is the most frequently used a kind of three-phase alternating current indoor high-voltage vacuum switchgear.The operating mechanism that existing side dress vacuum circuit-breaker is used is all spring operating mechanism substantially.The shortcomings such as the defects such as it is large that current spring operating mechanism has volume, and amount of parts is many, and integral layout is more in disorder, therefore have poor reliability, maintenance cost height.
Utility model content
The advantages such as the purpose of this utility model is to change deficiency of the prior art, and a kind of indoor high-voltage vacuum circuit breaker is provided, and has modular springs operating mechanism volume little, and parts are few, and integral layout is orderly, and reliability is high, and maintenance cost is low.
The technical scheme that the utility model adopts:
A kind of indoor high-voltage vacuum circuit breaker, comprises installation casing, is arranged on spring operating mechanism and the main shaft assembly installed in casing, it is characterized in that:
Described installation casing comprises base plate, is arranged on the side plate near the position of rear end at two ends, base plate left and right, and described side plate front end is provided with bent plate, and centre position, bottom is provided with fixed head; Described bent plate upper middle position is provided with mechanism's fixed head; On the base plate in described bent plate front, be positioned at centre position and be provided with connecting lever supporting bracket, described connecting lever supporting bracket upper end is welded with circuit breaker bent plate is installed; Described base plate bottom surface is welded with mounting nuts;
Described spring operating mechanism is fixedly mounted on to be installed in casing, it comprise left mounting panel, right mounting panel and close a floodgate spring and be fixedly mounted on left mounting panel and right mounting panel on motor, transition axis, retainer shaft, energy storage axle, described left mounting panel and right mounting panel are fixed as one by support bar, described motor is fixed on the low side of right mounting panel, on its axle, is provided with gear, described transition axis is arranged on the position that is positioned at motor top on left mounting panel and right mounting panel, the position that its right-hand member is positioned at right mounting panel outside is provided with the one-level gear engaging with the gear on motor, and its left end is positioned at left mounting panel right positions and is provided with pinion, described energy storage axle is arranged on the position that is positioned at transition axis top on left mounting panel and right mounting panel, energy-storage crank arm, energy storage bearing, energy storage gear, freewheel clutch and the large pallet of maintenance are from left to right installed on it successively, wherein energy-storage crank arm is positioned at the left side of left mounting panel, energy storage bearing, energy storage gear, freewheel clutch and the large pallet of maintenance are between left mounting panel and right mounting panel, and described energy storage gear engages with the pinion on transition axis, the large pallet of described maintenance upper end is provided with return spring, and lower end is provided with and keeps little pallet, described retainer shaft is arranged on and on left mounting panel and right mounting panel, is positioned at rearward position, energy storage axle top, its two ends, left and right are separately installed with combined floodgate pallet and the separating brake pallet with return spring, described combined floodgate pallet and separating brake pallet are between left mounting panel and right mounting panel, and be connected with combined floodgate bent plate and separating brake bent plate by connecting plate respectively, described combined floodgate bent plate and separating brake bent plate are fixed between left mounting panel and right mounting panel by same axle, described combined floodgate bent plate and separating brake bent plate front are respectively arranged with combined floodgate electromagnetically operated valve and separating brake electromagnetically operated valve, and promote and rotate by combined floodgate electromagnetically operated valve and separating brake electromagnetically operated valve respectively, described combined floodgate spring one end hangs on energy-storage crank arm, and the other end hangs on the hanging spring shaft on mounting panel, on described left mounting panel and right mounting panel, be positioned at forward position, energy storage axle top and be also provided with direction board axle, the two ends, left and right of direction board axle are respectively arranged with energy storage direction board and close a point direction board, and described right mounting panel outside is positioned at a position of closing above point direction board sensitive switch is installed, on described energy-storage crank arm, be provided with and stir the flange that direction board axle rotates,
Described main shaft assembly is arranged on the spindle mounting hole of casing biside plate, is welded as a whole by main shaft and 6 connecting lever plates.
Described freewheel clutch is made up of axle sleeve, cylindrical roller, cam and spring, and be arranged on energy storage axle by copper bush, copper bush is sleeved on energy storage axle, axle sleeve is sleeved on copper bush, cylindrical roller and spring fitting be in axle sleeve inside, cam by cylindrical roller and spring fitting on axle sleeve; Described energy storage bearing is fixed on axle sleeve by block card and key.
Described retainer shaft, energy storage axle, transition axis and manual energy storage axle are to be all fixed on left mounting panel and right mounting panel by bearing.
The described large pallet of separating brake roller, return spring, maintenance, keep little pallet composition combined floodgate keeping system, coordinates with separating brake pallet, completing closes a floodgate keeps and separating brake moves.
Described left mounting panel and right mounting panel are fixed as one by 3 support bars.
The right side that is positioned at one-level gear on described transition axis is also provided with manual energy storage wheel.
On the left surface of described cam, be provided with combined floodgate roller, in the time that retainer shaft energy storage completes, combined floodgate pallet can withstand the roller on cam, freewheel clutch onset, and energy storage axle stops operating thereupon, makes whole drive system in energy storage state.
The beneficial effects of the utility model: the utility model is simple in structure, spring operating mechanism volume is little, and amount of parts is few, integral layout rational and orderly, reliability is strong, and maintenance cost is low, convenient operation.
Brief description of the drawings
Fig. 1 is the front view of formal dress high-pressure vacuum breaker.
Fig. 2 is the right view of formal dress high-pressure vacuum breaker.
Fig. 3 is the front view that casing is installed.
Fig. 4 is the left view that casing is installed.
Fig. 5 is the front view of spring operating mechanism.
Fig. 6 is the left view of spring operating mechanism A-A section.
Fig. 7 is the right view of spring operating mechanism A-A section.
Fig. 8 is the structural representation of main shaft assembly.
Fig. 9 is the left view of main shaft assembly.
Figure 10 is the right view of main shaft assembly.
Figure 11 is energy storage axle assembly structural representation.
Figure 12 is the A-A profile of Figure 11.
Embodiment
As shown in Figure 1, 2, a kind of indoor high-voltage vacuum circuit breaker, comprises casing 4 is installed, and installs in casing and is installed with spring operating mechanism 2 and main shaft assembly 3 by 8 screws.As shown in Figure 3,4, casing is installed and is comprised base plate 39, be welded on the side plate 37 of two ends, base plate left and right near the position of rear end, side plate front end is welded with bent plate 34, and centre position, bottom is welded with fixed head 41; Bent plate upper middle position is welded with mechanism's fixed head 36; On the base plate in bent plate front, be positioned at centre position and be welded with connecting lever supporting bracket 40, connecting lever supporting bracket upper end is welded with circuit breaker bent plate 35 is installed; Base plate bottom surface is welded with mounting nuts 38.As shown in Fig. 5,6,7,12,13, spring operating mechanism comprises left mounting panel 33, right mounting panel 22 and combined floodgate spring 25 and is fixedly mounted on motor 32, transition axis 16, retainer shaft 14, the energy storage axle 15 on left mounting panel 33 and right mounting panel 22, and left mounting panel 33 and right mounting panel 22 are fixed as one by 3 support bars 8, motor 32 is fixed on the low side of right mounting panel 22, transition axis 16 is arranged on the position that is positioned at motor 32 tops on left mounting panel 33 and right mounting panel 22, the position that its right-hand member is positioned at right mounting panel 33 right sides is provided with and the motor 32 one-level gear 18 engaging that cogs, and the position that its left end is positioned at left mounting panel right side is provided with pinion, the right side that is positioned at one-level gear 18 on transition axis 16 is also provided with manual energy storage wheel 19, energy storage axle 15 is arranged on the position that is positioned at transition axis 16 tops on left mounting panel 33 and right mounting panel 22, the position that is positioned at left mounting panel 33 left sides on energy storage axle 15 is provided with energy storage Abduction arm 31, on energy-storage crank arm, be provided with flange 51, the large pallet 21 of energy storage gear 27, freewheel clutch and maintenance that energy storage bearing 43 is installed successively from left to right on the energy storage axle 15 between left mounting panel 33 and right mounting panel 22, engages with pinion on transition axis 16, energy storage axle 15 forms energy storage assembly with energy storage bearing 43, energy storage gear 27, freewheel clutch and the large pallet 21 of maintenance, freewheel clutch is made up of axle sleeve 48, cylindrical roller 47, cam 30 and spring 46, and be arranged on energy storage axle 15 by copper bush 49, copper bush 49 is sleeved on energy storage axle 15, axle sleeve 48 is sleeved on copper bush 49, cylindrical roller 47 and spring 46 are arranged on axle sleeve 48 inside, and cam 30 is arranged on axle sleeve 48 by cylindrical roller 47 and spring 46, described energy storage bearing 43 is fixed on axle sleeve by block card 45 and key 44, is provided with roller 29 on cam 30, energy storage axle 15 adopts integrated artistic processing, rotates by the effect band moving cam 30 of freewheel clutch 27, and energy storage axle 15 is fixed on two mounting panels by bearing, keep large pallet 21 one end that return spring 17 is installed, the other end is provided with and keeps little pallet 20, retainer shaft 14 is arranged on and on left mounting panel 33 and right mounting panel 22, is positioned at energy storage axle 15 rearward positions, top, its left two ends are provided with the combined floodgate pallet 28 with return spring 50, right-hand member is provided with the separating brake pallet 11 with return spring 1, combined floodgate pallet 28 and separating brake pallet 11 are between left mounting panel 33 and right mounting panel 22, and be connected with combined floodgate bent plate 24 and separating brake bent plate 7 by connecting plate respectively, combined floodgate bent plate 24 and separating brake bent plate 7 are fixed between left mounting panel 33 and right mounting panel 22 by same axle, combined floodgate bent plate 24 and separating brake bent plate 7 fronts are separately installed with combined floodgate electromagnetically operated valve 5 and separating brake electromagnetically operated valve 6, and promote and rotate by combined floodgate electromagnetically operated valve 5 and separating brake electromagnetically operated valve 6 respectively, combined floodgate spring 25 one end hang on energy-storage crank arm 31, and the other end hangs on the hanging spring shaft 23 on mounting panel, on left mounting panel 33 and right mounting panel 22, be positioned at forward position, energy storage axle top direction board axle 12 is also installed, the two ends, left and right of direction board axle 12 are separately installed with energy storage direction board 26 and close point direction board 13, and right mounting panel 22 outsides are positioned at the position of closing point direction board 13 tops sensitive switch 9 is installed, on energy-storage crank arm 31, be provided with and stir the flange that direction board axle 12 rotates, separating brake roller, return spring, the large pallet of maintenance, keep little pallet composition combined floodgate keeping system, coordinates with separating brake pallet, completing closes a floodgate keeps and separating brake moves, on the left surface of cam 30, be provided with combined floodgate roller 29, in the time that retainer shaft energy storage completes, combined floodgate pallet can withstand the roller on cam, freewheel clutch onset, and energy storage axle stops operating thereupon, makes whole drive system in energy storage state, as shown in Figure 8,9, 10, main shaft assembly is arranged on the spindle mounting hole 42 of casing biside plate, is welded as a whole by main shaft and 6 connecting lever plates, and when combined floodgate, cam 30 can rotate by driving main shaft assembly.
The operating principle of spring operating mechanism:
Stored energy operation: starter motor 32 engages with the gear 18 on transition axis 16 left sides by the output gear of self, the pinion of transition axis 16 and energy storage shaft gear 27 engage, energy storage axle 15 is with moving cam 301 and energy-storage crank arm 31 to rotate under the effect of gear the right freewheel clutch, and the rotation of energy-storage crank arm 31 drives switching-in spring 25 to carry out energy storage.When energy storage completes, combined floodgate pallet 288 has withstood the roller 29 on cam 30, and cam 30 stops operating, and now the needle roller of freewheel clutch is fallen in the groove of energy storage axle, and energy storage axle 15 stops operating simultaneously.Simultaneously the flange on energy-storage crank arm 31 is stirred direction board axle 12 and is rotated, and drives energy storage direction board 26 flip displays " energy storage ", and direction board axle 12 right side pressing plates switch sensitive switches 9 and cut off energy storage motor power supply simultaneously, and now circuit breaker is in energy storage state.After closing a floodgate, direction board axle 12 is realized reset by spring, thereby drives direction board to show " energy storage " and " not energy storage " state.
Closing operation: press " combined floodgate " button or remote operation making electromagnet 5 is moved, utilize its combined floodgate bent plate 24 of push rod promotion of making electromagnet 5 to move, drive combined floodgate pallet 28 to rotate by connecting plate, the pallet 28 that makes to close a floodgate unclamps the roller 29 on cam, switching-in spring 25 releases energy, drive energy storage axle 15 and cam 30 to rotate, cam 30 drives the final drive shaft of circuit breaker to rotate, and realizes closing operation.Keep pallet 20 to be held in the roller on main shaft connecting lever simultaneously, make mechanism keep closing position.Energy storage direction board 26, sensitive switch 9 reset, and motor 4 current supply circuits are connected, and energy storage is to close a floodgate next time to prepare again.
Sub-switching operation: press " separating brake " button or remote operation tripping electromagnet 6 is moved, utilize the push rod promotion separating brake bent plate 7 of tripping electromagnet 6 to move, drive separating brake pallet 11 to rotate by connecting plate, make separating brake pallet 11 and keep roller 10 releases on pallet 21, keep pallet 21 to reset under the sluice separating spring effect of return spring 17 and circuit breaker, the final drive shaft of circuit breaker moves under sluice separating spring effect, realizes separating brake.
Claims (7)
1. an indoor high-voltage vacuum circuit breaker, comprises installation casing, is arranged on spring operating mechanism and the main shaft assembly installed in casing, it is characterized in that:
Described installation casing comprises base plate, is arranged on the side plate near the position of rear end at two ends, base plate left and right, and described side plate front end is provided with bent plate, and centre position, bottom is provided with fixed head; Described bent plate upper middle position is provided with mechanism's fixed head; On the base plate in described bent plate front, be positioned at centre position and be provided with connecting lever supporting bracket, described connecting lever supporting bracket upper end is welded with circuit breaker bent plate is installed; Described base plate bottom surface is welded with mounting nuts;
Described spring operating mechanism is fixedly mounted on to be installed in casing, it comprise left mounting panel, right mounting panel and close a floodgate spring and be fixedly mounted on left mounting panel and right mounting panel on motor, transition axis, retainer shaft, energy storage axle, described left mounting panel and right mounting panel are fixed as one by support bar, described motor is fixed on the low side of right mounting panel, on its axle, is provided with gear, described transition axis is arranged on the position that is positioned at motor top on left mounting panel and right mounting panel, the position that its right-hand member is positioned at right mounting panel outside is provided with the one-level gear engaging with the gear on motor, and its left end is positioned at left mounting panel right positions and is provided with pinion, described energy storage axle is arranged on the position that is positioned at transition axis top on left mounting panel and right mounting panel, energy-storage crank arm, energy storage bearing, energy storage gear, freewheel clutch and the large pallet of maintenance are from left to right installed on it successively, wherein energy-storage crank arm is positioned at the left side of left mounting panel, energy storage bearing, energy storage gear, freewheel clutch and the large pallet of maintenance are between left mounting panel and right mounting panel, and described energy storage gear engages with the pinion on transition axis, the large pallet of described maintenance upper end is provided with return spring, and lower end is provided with and keeps little pallet, described retainer shaft is arranged on and on left mounting panel and right mounting panel, is positioned at rearward position, energy storage axle top, its two ends, left and right are separately installed with combined floodgate pallet and the separating brake pallet with return spring, described combined floodgate pallet and separating brake pallet are between left mounting panel and right mounting panel, and be connected with combined floodgate bent plate and separating brake bent plate by connecting plate respectively, described combined floodgate bent plate and separating brake bent plate are fixed between left mounting panel and right mounting panel by same axle, described combined floodgate bent plate and separating brake bent plate front are respectively arranged with combined floodgate electromagnetically operated valve and separating brake electromagnetically operated valve, and promote and rotate by combined floodgate electromagnetically operated valve and separating brake electromagnetically operated valve respectively, described combined floodgate spring one end hangs on energy-storage crank arm, and the other end hangs on the hanging spring shaft on mounting panel, on described left mounting panel and right mounting panel, be positioned at forward position, energy storage axle top and be also provided with direction board axle, the two ends, left and right of direction board axle are respectively arranged with energy storage direction board and close a point direction board, and described right mounting panel outside is positioned at a position of closing above point direction board sensitive switch is installed, on described energy-storage crank arm, be provided with and stir the flange that direction board axle rotates,
Described main shaft assembly is arranged on the spindle mounting hole of casing biside plate, is welded as a whole by main shaft and 6 connecting lever plates.
2. indoor high-voltage vacuum circuit breaker according to claim 1, it is characterized in that: described freewheel clutch is made up of axle sleeve, cylindrical roller, cam and spring, and be arranged on energy storage axle by copper bush, copper bush is sleeved on energy storage axle, axle sleeve is sleeved on copper bush, cylindrical roller and spring fitting be in axle sleeve inside, cam by cylindrical roller and spring fitting on axle sleeve; Described energy storage bearing is fixed on axle sleeve by block card and key.
3. indoor high-voltage vacuum circuit breaker according to claim 1, is characterized in that: described retainer shaft, energy storage axle, transition axis and manual energy storage axle are to be all fixed on left mounting panel and right mounting panel by bearing.
4. indoor high-voltage vacuum circuit breaker according to claim 1, is characterized in that: the described large pallet of separating brake roller, return spring, maintenance, keep little pallet composition combined floodgate keeping system, coordinates with separating brake pallet, completing closes a floodgate keeps and separating brake moves.
5. indoor high-voltage vacuum circuit breaker according to claim 1, is characterized in that: described left mounting panel and right mounting panel are fixed as one by 3 support bars.
6. indoor high-voltage vacuum circuit breaker according to claim 1, is characterized in that: the right side that is positioned at one-level gear on described transition axis is also provided with manual energy storage wheel.
7. indoor high-voltage vacuum circuit breaker according to claim 2, it is characterized in that: on the left surface of described cam, be provided with combined floodgate roller, in the time that retainer shaft energy storage completes, combined floodgate pallet can withstand the roller on cam, freewheel clutch onset, energy storage axle stops operating thereupon, makes whole drive system in energy storage state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748021.2U CN203787339U (en) | 2013-11-25 | 2013-11-25 | Indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748021.2U CN203787339U (en) | 2013-11-25 | 2013-11-25 | Indoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787339U true CN203787339U (en) | 2014-08-20 |
Family
ID=51323498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320748021.2U Expired - Fee Related CN203787339U (en) | 2013-11-25 | 2013-11-25 | Indoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017116A (en) * | 2017-04-20 | 2017-08-04 | 日升集团有限公司 | Double-switching-on position spring operating mechanism |
-
2013
- 2013-11-25 CN CN201320748021.2U patent/CN203787339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017116A (en) * | 2017-04-20 | 2017-08-04 | 日升集团有限公司 | Double-switching-on position spring operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20181125 |