CN209133375U - Biswitch rigidity interlocking mechanism - Google Patents
Biswitch rigidity interlocking mechanism Download PDFInfo
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- CN209133375U CN209133375U CN201821940905.7U CN201821940905U CN209133375U CN 209133375 U CN209133375 U CN 209133375U CN 201821940905 U CN201821940905 U CN 201821940905U CN 209133375 U CN209133375 U CN 209133375U
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- connecting lever
- power switch
- interlocking
- swing arm
- switch
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Abstract
A kind of biswitch rigidity interlocking mechanism, is related to electrical equipment technical field, and the solution is to improve power supply switching reliability.The mechanism includes rack and rack-mounted main power switch, Backup Power Switch；The free end of the switch movable contact drive shaft of main power switch is fixed with the first connecting lever, and the free end of the switch movable contact drive shaft of Backup Power Switch is fixed with the second connecting lever；Rack is equipped with interlocking swing arm free to rotate；When main power switch combined floodgate and Backup Power Switch separating brake, the first connecting lever presses against the left end of interlocking swing arm, and the right end for interlocking swing arm withstands the lower end of the second connecting lever, so that Backup Power Switch is locked；When main power switch separating brake and Backup Power Switch combined floodgate, the second connecting lever presses against the right end of interlocking swing arm, and the lower end of the first connecting lever is withstood in the left end for interlocking swing arm, so that main power switch is locked.Mechanism provided by the utility model is avoided that load is simultaneously switched on to two power supplys.
Description
Technical field
The utility model relates to power equipment technologies, more particularly to a kind of technology of biswitch rigidity interlocking mechanism.
Background technique
Electric system is usually to be made of electricity generation system, transmission line of electricity, transformer substation system, distribution system and electrical equipment.For
Guarantee that electrical power trans mission/distribution system is safe and reliable, continuous power reguirements, the power supply and distribution mode of two-way or multiple power supplies generally can be used,
To ensure to convert to other backup power sources and run immediately when common abnormity of power supply.Or ought power supply all the way load
When weight, fractional load can be converted to other power supplys for having allowance, the conversion on this circuit is just needed by change-over switch system
System is to complete.Transfer switch system in electric system generally comprises various electric members, as circuit-breaker, change-over switch,
Specified power supply is mainly connected in given load by the frame system etc. of change-over switch, effect.Transfer switch system can root
According to the availability of each power supply, selectively given load is connected on target power.But it will load from common power supply
When conversion to other backup power sources, it is easy to happen the situation that common power switch closes a floodgate simultaneously with Backup Power Switch, this can draw
Safety accident is sent out, switching reliability need to be improved.
Utility model content
For above-mentioned defect existing in the prior art, the technical problem to be solved by the utility model is to provide one kind to turn
High reliablity is changed, is avoided that the biswitch rigidity interlocking mechanism that main power switch and Backup Power Switch close a floodgate simultaneously.
In order to solve the above-mentioned technical problem, a kind of biswitch rigidity interlocking mechanism provided by the utility model, including machine
Frame and rack-mounted two systems power switch, system power switch are equipped with switch movable contact drive shaft, system
Power switch passes through its separating brake of the rotate driving of switch movable contact drive shaft, combined floodgate；One of system power switch is
Main power switch, another system power switch are Backup Power Switch；It is characterized by: two switch movable contact drive shafts
Free end be respectively fixed with an interlocking connecting lever；
The switch movable contact drive shaft turns to when system power switch being driven to close a floodgate, switch movable contact drive shaft
On interlocking connecting lever rotate with it to combined floodgate station；
The switch movable contact drive shaft turns to when driving system power switch separating brake, switch movable contact drive shaft
On interlocking connecting lever rotate with it to separating brake station；
The rack is equipped with interlocking swing arm free to rotate, and two interlocking connecting levers are laid in a left side for interlocking swing arm respectively
The surface at right both ends；
Switch movable contact drive shaft on the main power switch is first rotating shaft, and the switch in Backup Power Switch is dynamic
Contact drive shaft is the second shaft, and the interlocking connecting lever in first rotating shaft is the first connecting lever, and the interlocking connecting lever in the second shaft is
Second connecting lever；
When first connecting lever, the second connecting lever turn to separating brake station, the first connecting lever, the second connecting lever with interlocking swing arm
It is detached from；
First connecting lever turns to combined floodgate station, and when the second connecting lever turns to separating brake station, and the first connecting lever is from upper
The left end of interlocking swing arm is pressed against under, so that interlocking swing arm turns to its right end and is upturned and withstands the lower end of the second connecting lever；
Second connecting lever turns to combined floodgate station, and when the first connecting lever turns to separating brake station, and the second connecting lever is from upper
The right end of interlocking swing arm is pressed against under, so that interlocking swing arm turns to its left end and is upturned and withstands the lower end of the first connecting lever.
Biswitch rigidity provided by the utility model interlocking mechanism interlocks the cooperation of connecting lever by interlocking swing arm with two,
It is avoided that main power switch closes a floodgate simultaneously with Backup Power Switch, so that load can not be also turned on two power supplys, has
The high feature of switching reliability.
Detailed description of the invention
Fig. 1 is in the biswitch rigidity interlocking mechanism of the utility model embodiment, and main power switch, Backup Power Switch are equal
Schematic diagram when in gate-dividing state；
Fig. 2 is in the biswitch rigidity interlocking mechanism of the utility model embodiment, and main power switch closes a floodgate and standby electricity
Schematic diagram when source switch separating brake；
Fig. 3 is main power switch separating brake and standby electricity in the biswitch rigidity interlocking mechanism of the utility model embodiment
Schematic diagram when source switch closes a floodgate.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with Detailed description of the invention, but the present embodiment and are not had to
In limitation the utility model, all similar structures and its similar variation using the utility model should all be included in the utility model
Protection scope, the pause mark in the utility model indicates the relationship of sum, and the English alphabet in the utility model is case sensitive.
As shown in Figure 1-Figure 3, a kind of biswitch rigidity interlocking mechanism provided by the utility model embodiment, including rack
(not shown) and rack-mounted two systems power switch (not shown), the system power switch are equipped with
Switch movable contact drive shaft, system power switch pass through its separating brake of the rotate driving of switch movable contact drive shaft, combined floodgate；Its
In a system power switch be main power switch, another system power switch be Backup Power Switch, main power switch
Inlet wire be connected to main power source, the inlet wire of Backup Power Switch is connected to backup power source, main power switch and Backup Power Switch
Outlet be connected to same load；
When main power switch closes a floodgate, load is connected with main power source；When main power switch separating brake, load and main power source point
It is disconnected；
When Backup Power Switch is closed a floodgate, load is connected with backup power source；When Backup Power Switch separating brake, load with it is standby
With power supply disjunction；
Switch movable contact drive shaft on the main power switch is first rotating shaft 1, the switch in Backup Power Switch
Moving contact drive shaft is the second shaft 2, and the free end of two switch movable contact drive shafts is respectively fixed with an interlocking connecting lever；
Interlocking connecting lever in first rotating shaft 1 is the first connecting lever 31, and the interlocking connecting lever in the second shaft 2 is the second connecting lever 32；
The first rotating shaft 1 turns to when main power switch being driven to close a floodgate, and the first connecting lever 31 turns to conjunction with first rotating shaft 1
Lock station；First rotating shaft 1 turns to when driving main power switch separating brake, and the first connecting lever 31 turns to separating brake work with first rotating shaft 1
Position；
Second shaft 2 turns to when Backup Power Switch being driven to be closed a floodgate, and the second connecting lever 32 is turned to the second shaft 2
Combined floodgate station；Second shaft 2 turns to when driving Backup Power Switch separating brake, and the second connecting lever 32 turns to point with the second shaft 2
Lock station；
It is fixed with swing arm support plate 5 in the rack, swing arm support plate 5 is equipped with interlocking swing arm 4 free to rotate, and two
A interlocking connecting lever 31,32 is laid in the surface of the left and right ends of interlocking swing arm 4 respectively.
As shown in Figure 1, when main power switch, Backup Power Switch are in gate-dividing state, the first connecting lever 31, the second connecting lever
32 go to separating brake station, and the first connecting lever 31, the second connecting lever 32 are detached from interlocking swing arm 4 at this time, and interlocking swing arm 4 is in without about
The free state of beam.
As shown in Fig. 2, main power switch is closed a floodgate in the case where main power switch, Backup Power Switch are in gate-dividing state
When, the first connecting lever 31 goes to combined floodgate station, and the second connecting lever 32 is maintained at separating brake station；
During first connecting lever 31 turns to combined floodgate station from separating brake station, the left end 41 of interlocking swing arm 4 can be touched, from
And interlocking swing arm 4 is pushed to rotate, so that the left end 41 of interlocking swing arm 4 sinks, the right end 42 of interlocking swing arm 4 is then upturned；
When first connecting lever 31 goes to combined floodgate station, the first connecting lever 31 presses against the left end 41 of interlocking swing arm 4, connection from top to bottom
The right end 42 of lock swing arm 4 then withstands the lower end of the second connecting lever 32 from bottom to top, and at this time under the constraint of interlocking swing arm 4, second is turned
Arm 32 can not rotate, so that the second shaft 2 can not also rotate, so that Backup Power Switch is locked in open position, nothing
Method is closed a floodgate, and only after main power switch returns back to gate-dividing state (that is: the first connecting lever 31 goes back to separating brake station), backup power source is opened
Guan Caihui unlocks.
As shown in figure 3, Backup Power Switch is closed in the case where main power switch, Backup Power Switch are in gate-dividing state
When lock, the second connecting lever 32 goes to combined floodgate station, and the first connecting lever 31 is maintained at separating brake station；
During second connecting lever 32 turns to combined floodgate station from separating brake station, the right end 42 of interlocking swing arm 4 can be touched, from
And interlocking swing arm 4 is pushed to rotate, so that the right end 42 of interlocking swing arm 4 sinks, the left end 41 of interlocking swing arm 4 is then upturned；
When second connecting lever 32 goes to combined floodgate station, the second connecting lever 32 presses against the right end 42 of interlocking swing arm 4, connection from top to bottom
The lower end of the first connecting lever 31 is then withstood in the left end 41 of lock swing arm 4 from bottom to top, and at this time under the constraint of interlocking swing arm 4, first is turned
Arm 31 can not rotate, so that first rotating shaft 1 can not also rotate, so that main power switch is locked in open position, and it can not
It closes a floodgate, (that is: the second connecting lever 32 goes back to separating brake station), main power switch only after Backup Power Switch returns back to gate-dividing state
It can just unlock.
The utility model embodiment by interlocking swing arm with two interlocking connecting levers cooperation, be avoided that main power switch with it is standby
Closed a floodgate simultaneously with power switch so that load can not be also turned on two power supplys, be avoided that between two power supplys occur it is short
Road.
Claims (1)
1. a kind of biswitch rigidity interlocking mechanism, including rack and rack-mounted two systems power switch, system electricity
Source switch is equipped with switch movable contact drive shaft, system power switch by the rotate driving of switch movable contact drive shaft its
Separating brake, combined floodgate；One of system power switch is main power switch, another system power switch is opened for backup power source
It closes；It is characterized by: the free end of two switch movable contact drive shafts is respectively fixed with an interlocking connecting lever；
The switch movable contact drive shaft turns to when system power switch being driven to close a floodgate, in switch movable contact drive shaft
Interlocking connecting lever is rotated with it to combined floodgate station；
The switch movable contact drive shaft turns to when driving system power switch separating brake, in switch movable contact drive shaft
Interlocking connecting lever is rotated with it to separating brake station；
The rack is equipped with interlocking swing arm free to rotate, and two interlocking connecting levers are laid in the left and right two of interlocking swing arm respectively
The surface at end；
Switch movable contact drive shaft on the main power switch is first rotating shaft, the switch movable contact in Backup Power Switch
Drive shaft is the second shaft, and the interlocking connecting lever in first rotating shaft is the first connecting lever, and the interlocking connecting lever in the second shaft is second
Connecting lever；
When first connecting lever, the second connecting lever turn to separating brake station, the first connecting lever, the second connecting lever are de- with interlocking swing arm
From；
First connecting lever turns to combined floodgate station, and when the second connecting lever turns to separating brake station, the first connecting lever is from top to bottom
The left end of interlocking swing arm is pressed against, so that interlocking swing arm turns to its right end and is upturned and withstands the lower end of the second connecting lever；
Second connecting lever turns to combined floodgate station, and when the first connecting lever turns to separating brake station, the second connecting lever is from top to bottom
The right end of interlocking swing arm is pressed against, so that interlocking swing arm turns to its left end and is upturned and withstands the lower end of the first connecting lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940905.7U CN209133375U (en) | 2018-11-23 | 2018-11-23 | Biswitch rigidity interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940905.7U CN209133375U (en) | 2018-11-23 | 2018-11-23 | Biswitch rigidity interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133375U true CN209133375U (en) | 2019-07-19 |
Family
ID=67246495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821940905.7U Active CN209133375U (en) | 2018-11-23 | 2018-11-23 | Biswitch rigidity interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133375U (en) |
-
2018
- 2018-11-23 CN CN201821940905.7U patent/CN209133375U/en active Active
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