CN202796722U - Breaker mechanism with free tripping function and for conducting closing operation manually and quickly - Google Patents
Breaker mechanism with free tripping function and for conducting closing operation manually and quickly Download PDFInfo
- Publication number
- CN202796722U CN202796722U CN 201220487932 CN201220487932U CN202796722U CN 202796722 U CN202796722 U CN 202796722U CN 201220487932 CN201220487932 CN 201220487932 CN 201220487932 U CN201220487932 U CN 201220487932U CN 202796722 U CN202796722 U CN 202796722U
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- latch hook
- gangbar
- free function
- energy
- combined floodgate
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Abstract
A breaker mechanism with a free tripping function and for conducting a closing operation manually and quickly comprises a leakage rod, an opening spring, a closing cam, a lock disk, a lock hook and an energy storage crank arm, wherein the leakage rod can do reciprocating rotation round a first positioning shaft and drive a main shaft to do opening and closing motion during the rotation, the opening spring is connected to the leakage rod and exerts pulling force on the leakage rod, the leakage rod trends to the opening state, the closing cam is installed on a drive shaft, the closing cam is matched with the end portion of the linkage rod and drives the leakage rod to do the reciprocating rotation round the first positioning shaft, the lock disk is installed on the drive shaft, the edge of the lock disk is provided with a clamping position, the lock hook is connected to the clamping position of the lock disk in a clamping mode, the lock hook and the clamping position are tripped through the drive of an unlocking electromagnet, the energy storage crank arm is installed on the drive shaft and the end portion of the energy storage crank arm is connected to an energy storage spring. By the aid of the breaker mechanism, the closing operation can be conducted manually and quickly under the condition that no control power supply exists or the control power supply is out of control, the manual and quick closing operation has the free tripping function and the functional requirement that the opening operation is a priority for the a breaker is guaranteed.
Description
Technical field
The utility model relates to a kind of breaker mechanism, is applied on the permanent magnetic actuator vacuum circuit breaker.
Background technology
At present, known permanent magnet mechanism high-pressure vacuum breaker great majority can carry out electric closing-opening operation and manual brake separating operation, or in the situation of on-load not, manually close a floodgate at a slow speed, this has just caused is not controlling in power supply or the control circuit situation out of control, can't carry out the operation of manual rapid closing, can not carry out manual rapid closing as circuit breaker is great disappearance on the function; Even other permanent magnet mechanism high-pressure vacuum breaker also can carry out manual rapid closing, but this manual rapid closing does not possess the trip free function, can not satisfy the circuit breaker functional requirement preferential to separating brake, in case close a floodgate to short dot, the overstep tripping of upper level circuit breaker then can occur, and enlarges the scope of accident interruption.
The utility model content
In order to overcome the deficiency of existing permanent magnet mechanism high-pressure vacuum breaker, the utility model provides a kind of manual rapid closing permanent magnetic actuator vacuum circuit breaker with trip free function, this circuit breaker has not to be controlled in the malfunctioning situation of power supply or control circuit, can carry out manual rapid closing operation, when particularly the closing by hand operation is incorporated into short dot, operating mechanism has the trip free function, has avoided the generation of accident.
The purpose of this utility model is come specific implementation by the following technical programs:
Have the manual rapid closing breaker mechanism of trip free function, comprising:
Gangbar can be around the first locating shaft reciprocating rotation, and driving main shaft is done the motion of combined floodgate, separating brake in the process of rotating;
Tripping spring is connected with gangbar, and gangbar is produced the pulling force that trends towards gate-dividing state;
The combined floodgate cam is installed on the driving shaft, and the combined floodgate cam cooperates with the end of described gangbar, drives described gangbar and does reciprocating rotation around the first locating shaft;
Lock collar is installed on the described driving shaft, and the edge of lock collar has screens;
Latch hook, with the screens clamping of described lock collar, described latch hook drives by releasing magnet and realizes that latch hook and screens break away from;
Energy-storage crank arm is installed on the described driving shaft, and the end of described energy-storage crank arm is connected with energy-stored spring.
Further design is, comprises also that by chaindriven hinge wheel and minor sprocket described minor sprocket is installed on the described driving shaft, drives minor sprocket by hinge wheel and does the clockwise direction rotation.
Further design is, is provided with the first roller in the end of gangbar, and described the first roller cooperates with described combined floodgate cam.
During the screens clamping of described latch hook and lock collar, the first roller on the described gangbar cooperates with the top of described combined floodgate cam.
Described latch hook is installed on the second locating shaft, and described latch hook can be done small size swing around described the second locating shaft.
Be connected by a releasing magnet spring between described releasing magnet and the described latch hook, when circuit breaker is in non-short-circuit condition, the screens clamping of the described latch hook of described releasing magnet Spring driving and lock collar, when circuit breaker is in short-circuit condition, described releasing magnet is worked under current state, makes described releasing magnet spring contraction and then drives the action of breaking off relations of described latch hook.
The afterbody of described latch hook is provided with travel switch.
Described main shaft is positioned at permanent magnet mechanism, and the top that main shaft protrudes from permanent magnet mechanism is equipped with the second roller, and described the second roller cooperates with a minute brake cam.
Breaker mechanism described in the utility model, can not only carry out the electric closing-opening operation, and ought not control and to carry out manual rapid closing operation under the malfunctioning state of power supply or control circuit, manually the rapid closing operation has the trip free function, guaranteed equipment in extraordinary circumstances normal operation and stop; That a kind of manual rapid closing mechanism has adopted big or small chain-wheel mechanism to elongate the energy-stored spring energy storage, cross the dead point after energy-stored spring discharge fast, reach the operating mechanism of closing position by the rotation of combined floodgate actuated by cams circuit breaker driving shaft.
In a single day manual closing mechanism is incorporated on the short dot of major loop; the releasing magnet action; so that latch hook and lock collar are thrown off; clockwise fast rotational is to initial position under the effect of dump energy for energy-stored spring, i.e. open position is for the separating brake of permanent magnet mechanism is prepared; permanent magnet mechanism carries out the separating brake action after receiving the short-circuit signal of control loop; remove "on" position and come back to gate-dividing state, thereby finished the preferential trip free function of separating brake, played the effect of short-circuit protection.
The combined floodgate cam of manual closing mechanism is got back to initial position behind end of operation, namely close a floodgate cam above the closing by hand axle, makes the electric closing-opening of permanent magnet mechanism operate impact and the restriction that is not subjected to man-operating mechanism.
Because there is the overdrive clutch relation in the combined floodgate cam on minor sprocket and the driving shaft, minor sprocket can drive the driving shaft rotation when the energy-stored spring energy storage, and driving shaft can not drive the minor sprocket rotation when energy-stored spring discharged fast, in order to avoid the manual operation person that injures.
The breaker structure that the utility model provides, except possessing the most basic function of electric closing-opening, can also carry out the operation of manual rapid closing in power supply or the control circuit situation out of control not controlling, simultaneously this manual rapid closing operation has the trip free function, has guaranteed the functional requirement that circuit breaker is preferential to separating brake; Make the applicable more operating mode occasion of vacuum circuit-breaker of permanent magnet mechanism, the perfect function of permanent magnetic actuator vacuum circuit breaker is for the popularization of permanent magnetic actuator vacuum circuit breaker is laid a good foundation.
Description of drawings
The below is described in further detail the utility model with embodiment with reference to the accompanying drawings.
Fig. 1 is the described structure chart with breaker mechanism of trip free function of the utility model embodiment.
Embodiment
As shown in Figure 1, the described breaker mechanism with trip free function of the utility model embodiment comprises:
Gangbar 7 can be around the first locating shaft 1 reciprocating rotation, and driving main shaft 25 is done the motion of combined floodgate, separating brake in the process of rotating;
Tripping spring 24 is connected with gangbar 7, and gangbar 7 is produced the pulling force that trends towards gate-dividing state;
Combined floodgate cam 13 is installed on the driving shaft 14, and combined floodgate cam 13 cooperates with the end of described gangbar 7, drives described gangbar 7 and does reciprocating rotation around the first locating shaft 1;
Lock collar 15 is installed on the described driving shaft 14, and the edge of lock collar 15 has screens 5;
Latch hook 11, with screens 5 clampings of described lock collar 15, described latch hook 11 drives by releasing magnet 9 and realizes that latch hook 11 and screens 5 break away from;
Energy-storage crank arm 16 is installed on the described driving shaft 14, and the end of described energy-storage crank arm 16 is connected with energy-stored spring 19.
Also comprise hinge wheel 20 and minor sprocket 17 by chain 18 transmissions, described minor sprocket 17 is installed on the described driving shaft 14, drives minor sprocket 17 by hinge wheel 20 and does the clockwise direction rotation.
Be provided with the first roller 12 in the end of gangbar 7, described the first roller 12 cooperates with described combined floodgate cam 13.
During screens 5 clamping of described latch hook 11 and lock collar 15, the first roller 12 on the described gangbar 7 cooperates with the top of described combined floodgate cam 13.
The apical position of described combined floodgate cam 13 is provided with overdrive clutch section 4.
Described latch hook 11 is installed on the second locating shaft 3, and described latch hook 11 can be done small size swing around described the second locating shaft 3.
Be connected by a releasing magnet spring 10 between described releasing magnet 9 and the described latch hook 11, when circuit breaker is in non-short-circuit condition, described releasing magnet spring 10 drives screens 5 clampings of described latch hook 11 and lock collar 15, when circuit breaker is in short-circuit condition, described releasing magnet 9 is worked under current state, described releasing magnet spring 10 is shunk and then drives the action of breaking off relations of described latch hook.
The afterbody of described latch hook 11 is provided with travel switch 8.
Described main shaft 25 is positioned at permanent magnet mechanism 23, and the top that main shaft 25 protrudes from permanent magnet mechanism 23 is equipped with the second roller 22, and described the second roller 22 cooperates with a minute brake cam 21.
This breaker mechanism adopts the freewheel clutch principle of chain drive, at first drive minor sprocket 17 by rotation hinge wheel 20, minor sprocket 17 by coaxial energy-storage crank arm 16 with energy-stored spring 19 stretching energy storage, after energy storage axle connecting lever 16 is pulled through the dead point with energy-stored spring 19, energy-stored spring 19 discharges fast, the second roller 22 on the main shaft 25 of the combined floodgate cam 13 driving permanent magnet mechanisms 23 on the driving shaft 14 makes mechanism's main shaft fast rotational, mechanism enters "on" position from gate-dividing state, and permanent magnet mechanism 23 is in closing position; When mechanism enters "on" position, lock collar 15 on the driving shaft 14 is locked in "on" position by latch hook 11 under the effect of releasing magnet spring 10, with the opposite force that prevents permanent magnet mechanism 23 it is scolded out, if this moment, "on" position was just at short dot, then releasing magnet 9 moves under the control of control loop, latch hook 11 is opened, energy-stored spring 19 utilizes remaining energy that combined floodgate cam 13 is turned back to the front state of closing by hand, for the separating brake of permanent magnet mechanism 23 is prepared, permanent magnet mechanism 23 carries out the separating brake action after receiving the short-circuit signal of control loop, remove "on" position and come back to gate-dividing state, thereby finished the preferential trip free function of separating brake; If "on" position normally occurs without short circuit, then latch hook 11 is opened after through a short time delay, energy-stored spring 19 utilizes remaining energy that combined floodgate cam 13 is returned reset condition, permanent magnet mechanism 23 keeps "on" position by permanent magnet, because of latch hook 11 opened, combined floodgate cam 13 has no longer been suppressed the first roller 12 on the gangbar 7, makes electric operating not be subjected to the restriction of man-operating mechanism.
When needing closing by hand, hinge wheel 20 drives minor sprocket 17 and driving shaft 14 clockwise rotates by driving, and with driving shaft 14 coaxial energy-storage crank arms 16 energy-stored spring 19 is elongated energy storage, minor sprocket 17, driving shaft 14, cam 13, lock collar 15 coaxial settings.When energy-storage crank arm 16 is rotated clockwise to the central point below of minor sprocket 17 and when in alignment with minor sprocket center and hinge wheel center, this moment, energy-stored spring 19 was pulled to the longest, it is the dead-centre position, manual closing energy-storing is finished, after minor sprocket 17 clockwise rotated the dead point, turn clockwise fast under the effect of energy-stored spring 19 convergent forces by freewheel clutch function-driven axle 14, and drive combined floodgate cam 13 presses down the first roller 12 on the gangbar 7; Simultaneously, rotate clockwise equally with the coaxial lock collar 15 of combined floodgate cam 13 and under the effect of the energy-stored spring 10 of releasing magnet 9, with latch hook 11 with lock collar 15 lockings; At this moment, the main shaft 25 of permanent magnet mechanism 23 is pulled to closing position by gangbar 7, and tripping spring 24 energy storage that is stretched is for subsequent use as separating brake; Releasing magnet 9 is behind short time delay, permanent magnet mechanism 23 stably remains on "on" position, travel switch 8 signal to control loop with releasing magnet 9 closures, then latch hook 11 is rotated counterclockwise, lock collar 15 releases also are rotated clockwise to initial position under the effect of energy-stored spring 19 in dump energy, make electric operating not be subjected to the restriction of man-operating mechanism, thereby reach the requirement of manual rapid closing.
As mentioned above; after manual closing energy-storing is finished; combined floodgate cam 13 presses down roller 12; travel switch 8 also is in closure state; if at this moment major loop is in short-circuit condition; then control loop drives releasing magnet 9 closures by the signal of telecommunication of travel switch 8; so that latch hook 11 throws off 15 with lock collar; energy-stored spring 19 is rotated clockwise to initial position under the effect of dump energy; be open position, the permanent magnet mechanism 23 that be in "on" position this moment carries out the separating brake action after receiving the short-circuit signal of control loop, is transformed into gate-dividing state by "on" position; thereby finished the preferential trip free function of separating brake, played the effect of short-circuit protection.
The breaker structure that the utility model provides, except possessing the most basic function of electric closing-opening, can also carry out the operation of manual rapid closing in power supply or the control circuit situation out of control not controlling, simultaneously this manual rapid closing operation has the trip free function, has guaranteed the functional requirement that circuit breaker is preferential to separating brake; Make the applicable more operating mode occasion of vacuum circuit-breaker of permanent magnet mechanism, the perfect function of permanent magnetic actuator vacuum circuit breaker is for the popularization of permanent magnetic actuator vacuum circuit breaker is laid a good foundation.
Claims (9)
1. have the manual rapid closing breaker mechanism of trip free function, it is characterized in that, comprising:
Gangbar (7) can be around the first locating shaft (1) reciprocating rotation, and driving main shaft (25) is done the motion of combined floodgate, separating brake in the process of rotating;
Tripping spring (24) is connected with gangbar (7), and gangbar (7) is produced the pulling force that trends towards gate-dividing state;
Combined floodgate cam (13) is installed on the driving shaft (14), and combined floodgate cam (13) cooperates with the end of described gangbar (7), drives described gangbar (7) and does reciprocating rotation around the first locating shaft (1);
Lock collar (15) is installed on the described driving shaft (14), and the edge of lock collar (15) has screens (5);
Latch hook (11), with screens (5) clamping of described lock collar (15), described latch hook (11) drives by releasing magnet (9) and realizes that latch hook (11) and screens (5) break away from;
Energy-storage crank arm (16), be installed on the described driving shaft (14), the end of described energy-storage crank arm (16) is connected with energy-stored spring (19), and when cooperating, described energy-stored spring (19) has the elastic force effect to energy-storage crank arm (16) in the top of combined floodgate cam (13) and gangbar (7).
2. the manual rapid closing breaker mechanism with trip free function as claimed in claim 1, it is characterized in that, also comprise hinge wheel (20) and minor sprocket (17) by chain (18) transmission, described minor sprocket (17) is installed on the described driving shaft (14), drives minor sprocket (17) by hinge wheel (20) and does the clockwise direction rotation.
3. the manual rapid closing breaker mechanism with trip free function as claimed in claim 1 or 2 is characterized in that, is provided with the first roller (12) in the end of gangbar (7), and described the first roller (12) cooperates with described combined floodgate cam (13).
4. the manual rapid closing breaker mechanism with trip free function as claimed in claim 3, it is characterized in that, during screens (5) clamping of described latch hook (11) and lock collar (15), the first roller (12) on the described gangbar (7) cooperates with the top of described combined floodgate cam (13).
5. the manual rapid closing breaker mechanism with trip free function as claimed in claim 4 is characterized in that the apical position of described combined floodgate cam (13) is provided with overdrive clutch section (4).
6. the manual rapid closing breaker mechanism with trip free function as claimed in claim 1 or 2, it is characterized in that, described latch hook (11) is installed on the second locating shaft (3), and described latch hook (11) can be done small size swing around described the second locating shaft (3).
7. the manual rapid closing breaker mechanism with trip free function as claimed in claim 6, it is characterized in that, be connected by a releasing magnet spring (10) between described releasing magnet (9) and the described latch hook (11), when circuit breaker is in non-short-circuit condition, described releasing magnet spring (10) drives screens (5) clamping of described latch hook (11) and lock collar (15), when circuit breaker is in short-circuit condition, described releasing magnet (9) is worked under current state, described releasing magnet spring (10) is shunk and then drives the action of breaking off relations of described latch hook.
8. such as claim 1 or 7 described manual rapid closing breaker mechanisms with trip free function, it is characterized in that the afterbody of described latch hook (11) is provided with travel switch (8).
9. the manual rapid closing breaker mechanism with trip free function as claimed in claim 1, it is characterized in that, described main shaft (25) is positioned at permanent magnet mechanism (23), the top that main shaft (25) protrudes from permanent magnet mechanism (23) is equipped with the second roller (22), and described the second roller (22) cooperates with a minute brake cam (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487932 CN202796722U (en) | 2012-09-24 | 2012-09-24 | Breaker mechanism with free tripping function and for conducting closing operation manually and quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487932 CN202796722U (en) | 2012-09-24 | 2012-09-24 | Breaker mechanism with free tripping function and for conducting closing operation manually and quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796722U true CN202796722U (en) | 2013-03-13 |
Family
ID=47823929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220487932 Expired - Fee Related CN202796722U (en) | 2012-09-24 | 2012-09-24 | Breaker mechanism with free tripping function and for conducting closing operation manually and quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881512A (en) * | 2012-09-24 | 2013-01-16 | 无锡市新一代电力电器有限公司 | Manual quickly-closed breaker mechanism with free tripping function |
-
2012
- 2012-09-24 CN CN 201220487932 patent/CN202796722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881512A (en) * | 2012-09-24 | 2013-01-16 | 无锡市新一代电力电器有限公司 | Manual quickly-closed breaker mechanism with free tripping function |
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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 |
Granted publication date: 20130313 Termination date: 20180924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |