CN101814705B - A draw-in and out device for circuit breaker and breaker with the same - Google Patents
A draw-in and out device for circuit breaker and breaker with the same Download PDFInfo
- Publication number
- CN101814705B CN101814705B CN2010100002117A CN201010000211A CN101814705B CN 101814705 B CN101814705 B CN 101814705B CN 2010100002117 A CN2010100002117 A CN 2010100002117A CN 201010000211 A CN201010000211 A CN 201010000211A CN 101814705 B CN101814705 B CN 101814705B
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- China
- Prior art keywords
- circuit breaker
- connecting rod
- tooth bar
- main body
- pinion
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
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- 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
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/032—Anti-tamper
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/038—Anti-vandalism
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
This invention discloses a device for a breaker including: a principal shaft is in form of manual rotation; a moveable plate is engaged with the threaded portion of the principal shaft and moved forward and backward with the principal shaft; a second rack that is moved forward and backward with the principal rack; a pinion that is rotated with the moving of the principal rack; a connection rod that transfers the drive force to change the master site of breaker body; a tow pinion that transfers the drive force from the connection rod; a slide rail that moves the breaker body; a second rack that is engaged with the tow gear and moves the slide rail horizontally with the rotation of the tow gear.
Description
Technical field
The present invention relates to circuit breaker, relate in particular to Withdrawable device that is used for circuit breaker and circuit breaker with this device.
Background technology
Circuit breaker comprises as the vacuum circuit-breaker of primary cut-out with as the air circuit of low-voltage circuit breaker.Vacuum circuit-breaker is widely used as several kilovolts of main circuit breakers to the high-tension circuit of hundreds of thousands volt of blocking-up.Air circuit is installed in transformer in electric power input and distributor circuit after, and be widely used as the main circuit breaker that blocking voltage is lower than the low-voltage circuit of hundreds of volts.Why being called air circuit is because it can extinguish airborne electric arc.
This circuit breaker can be divided into fixedly circuit breaker and can extract circuit breaker out.But, can extract circuit breaker out and be convenient to detect and keep in repair and extensively employing of quilt because of it.Circuit breaker be can extract out and breaker body, carriage and Withdrawable device comprised.
Breaker body comprises the switching mechanism that connects or disconnects circuit and typically is configured to the hold concurrently controller of terminal part of overcurrent relay.Carriage can be linked in external power source and the electric load, and has the terminal part or the disconnection from it that can be connected to the terminal part of main body according to indentation (connection), detection and extraction (disconnection) position of breaker body.Carriage is in order to support breaker body.Withdrawable device is installed in the carriage, makes that breaker body can indentation and extraction.
The present invention relates to be used for to extract out the Withdrawable device of circuit breaker.Be used for causing following great number of issues according to the Withdrawable device of this circuit breaker of prior art.
That is, be used for can producing an interval (period) according to the Withdrawable device of the circuit breaker of prior art, this at interval in, indentation or the actuating force of extracting breaker body out are transmitted by phased manner.Therefore, the impact that when applying the electric power of delay at once, takes place may damage or make the deformed element of the transmitting electric power of a part that is configured to Withdrawable device, thereby reduces the useful life of circuit breaker.
Summary of the invention
Therefore; In order to overcome defective of the prior art; One object of the present invention is to provide a kind of Withdrawable device that is used for circuit breaker, and it can avoid being configured in transmitting electric power parts damages or distortion in the said withdrawing device through transmitting electric power routinely.
Another object of the present invention is to provide the circuit breaker with this Withdrawable device.
In order to realize these and other advantage and according to the object of the invention; As embodying at this and general description; A kind of Withdrawable device that is used for circuit breaker is provided in a scheme; Comprise: can manually or pass through the main shaft that mobile process rotates, it is configured to provide actuating force perhaps to extract the position with the main body that drives circuit breaker out to indentation; Power transfer unit with the parts that always are connected to main shaft and breaker body, continuously actuating force is delivered to breaker body from main shaft, main body can move to indentation or extract the position out like this; With the guidance unit that is configured to guide the actuating force transfer unit to move.
In another scheme of the present invention, a kind of Withdrawable device that is used for circuit breaker is provided, it is provided with and is electrically connected to power supply and electric load and has the carriage in order to the side plate that supports breaker body; With the main body that can move to link position, detection position and open position; Main body is electrically connected to carriage on link position, even main body and carriage electricity breaks off on the detection position, also can provide the control power supply and input/output signal; Main body and main shaft electricity breaks off on open position; The control power supply will be cut off and can not input/output signal like this, and this device comprises: have the main shaft of threaded portion, it can come manually to rotate through connecting handle; With the portable plate that mesh the threaded portion of main shaft, when the rotation of the threaded portion of main shaft, its threaded portion along with main shaft moves forward and backward; Be arranged on first tooth bar of the upper surface of portable plate, it can move forward and backward along with moving forward and backward of portable plate; With the pinion that corresponding first tooth bar engages, it can rotate along with first the moving forward and backward of tooth bar; Coaxially be connected to the connecting rod of pinion, rotate, and be configured to provide actuating force to move to allow circuit breaker through the revolving force of gear transmission from childhood; Traction gear, an end of each traction gear are connected to corresponding connecting rod to transmit the actuating force from connecting rod; Second tooth bar that engages with traction gear, it is configured to convert the revolving force of traction gear to horizontal actuator force; With the rail plate that is configured to move horizontally with second tooth bar, it also supports second tooth bar, thereby and the main body that is connected to circuit breaker drive the main body of circuit breaker.
In another one scheme of the present invention, a kind of circuit breaker is provided, it is provided with and is electrically connected to power supply and electric load and has the carriage in order to the side plate that supports breaker body; With the main body that can move to link position, detection position and open position; Main body is electrically connected to carriage on link position, even main body and carriage electricity breaks off on the detection position, also has the I/O with signal that provides of control power supply; Main body and carriage electricity breaks off on open position; Power supply will cut off and can not input/output signal like this, and this circuit breaker comprises: have the main shaft of threaded portion, it can come manually to rotate through connecting handle; With the portable plate that mesh the threaded portion of main shaft, when the rotation of the threaded portion of main shaft, said portable plate moves forward and backward along with the threaded portion of main shaft; Be installed in first tooth bar of the upper surface of portable plate, it can move forward and backward along with moving forward and backward of portable plate; With the pinion that corresponding tooth bar engages, it can rotate along with first the moving forward and backward of tooth bar; Coaxially be connected to the connecting rod of pinion, it rotates through the revolving force of gear transmission from childhood, and is configured to provide actuating force to move to allow circuit breaker; Traction gear, an end of each traction gear are connected to corresponding connecting rod to transmit the power from connecting rod; Second tooth bar that engages with traction gear, it is configured to the revolving force of traction gear is changed into horizontal actuator force; With the rail plate that is configured to move horizontally with second tooth bar, and support second tooth bar, thereby its main body that is connected to circuit breaker drives the main body of circuit breaker.
Aforementioned purpose, characteristic, scheme and advantage with other of the present invention will combine accompanying drawing from following detailed description of the present invention, to become clearer.
Description of drawings
For further understanding that invention is included in the specification and as the accompanying drawing of the part of present disclosure, showing embodiments of the invention, it is used to explain principle of the present invention with explanation.
In the accompanying drawings,
Fig. 1 is and the stereogram that is used to be in the carriage that the Withdrawable device that removed the circuit breaker under the circuit breaker subjective situation is assembled together according to the present invention;
Fig. 2 illustrates the stereogram in order to terminal part that connects power supply and electric load and the terminal base that supports terminal part that is arranged in Fig. 1 carriage rear;
Fig. 3 is the plane graph that the configuration of terminal part among Fig. 2 is shown discretely;
Fig. 4 is the stereogram that illustrates according to the configuration of the Withdrawable device that is used for circuit breaker of the present invention;
Fig. 5 is the front view according to the configuration of the Withdrawable device that is used for circuit breaker of the present invention, shows the connection configuration between second connecting rod, traction gear, guidance unit and control terminal drive rods of all configuration Withdrawable devices especially;
Fig. 6 is the front view that illustrates according to the configuration of the Withdrawable device that is used for circuit breaker of the present invention;
Fig. 7 illustrates the front view that is configured to according to the configuration of the rail plate of the Withdrawable device that is used for circuit breaker of the present invention and second tooth bar;
Fig. 8 to Figure 11 illustrates in running orderly according to the front view that is used for the Withdrawable device of circuit breaker of the present invention, that is, Fig. 8 is the front view that is illustrated in the in running order Withdrawable device that is used for circuit breaker in disconnection (extraction) position; Fig. 9 is illustrated in the front view that the detection position is in the Withdrawable device that is used for circuit breaker of operating state; Figure 10 is the front view that is illustrated in the in running order Withdrawable device that is used for circuit breaker in initial connection (initial indentation) position; Figure 11 is illustrated in the front view that connects the in running order Withdrawable device that is used for circuit breaker in (being fully retracted) position fully;
Figure 12 to Figure 15 illustrates breaker body to be installed on the circuit breaker that has according to Withdrawable device of the present invention; And quilt is shifted onto the stereogram of retracted position through using handle; Promptly; Figure 12 is a stereogram of from the carriage that breaker body also is not installed, extracting first rail plate and second rail plate out, and Figure 13 illustrates the stereogram that breaker body is installed to the carriage among Figure 12, and Figure 14 illustrates second rail plate to be connected to breaker body; Make the stereogram of breaker body indentation carriage through front surface, and Figure 15 illustrates handle is connected to main shaft breaker body is shifted onto the stereogram of complete link position with the hand propelled breaker body; And
Figure 16 to Figure 17 illustrates the Withdrawable device that is used for breaker body according to the present invention respectively at initial link position and complete link position; The plane graph of the connection status between the terminal part of breaker body and the carriage terminal part; Promptly; Figure 16 shows under the operating state of Figure 10 (being initial link position); Initial connection status between the terminal part of breaker body and the terminal part of carriage, and Figure 17 shows under the operating state of Figure 11 (being complete link position), the complete connection status between the terminal part of breaker body and the terminal part of carriage.
Embodiment
Through with reference to the of the present invention preferred embodiment of accompanying drawing, can more be expressly understood the object of the invention and for realizing the configuration of the present invention and the operating effect of above-mentioned purpose in this detailed description.
The Withdrawable device that is used for circuit breaker according to the present invention is installed in the carriage that supports breaker body, and electric connecting part is provided to dispatch from foreign news agency source and load side.Therefore, at first will illustrate and describe the configuration of carriage.
At first, only be and be used to be in the carriage that the Withdrawable device that removed the circuit breaker under the circuit breaker subjective situation is assembled together with reference to what the stereogram of Fig. 1 was described according to of the present invention.
As shown in Figure 1, carriage 10 has the terminal, can be electrically connected to power supply and electric load through said terminal.Carriage 10 can comprise be connected to its rear side with the terminal base plate 11 that electrical connection is provided to external power and electric load and be positioned at terminal base plate 11 the place aheads (that is the right part of terminal base plate 11 in Fig. 1) according to Withdrawable device of the present invention.
To describe terminal base plate 11 briefly with reference to Fig. 2, Fig. 2 illustrates the stereogram in order to the terminal base plate of the terminal part of the terminal part that connects power supply and electric load and support Fig. 1 that is arranged in the carriage rear portion.
To describe the detailed configuration of terminal part among Fig. 2 with reference to Fig. 3, Fig. 3 is the plane graph that the configuration of terminal part among Fig. 2 is shown discretely.
As shown in Figure 3, terminal part can comprise T1 of external connection terminal portion and the main body connecting terminal T2 of portion.The long-term maintenance of the three-phase external connection terminal T1 of portion is connected with external power line or outer electric power load line.Therefore, the T1 of external connection terminal portion is configured to busbar (as becoming with copper), forms " T " shape on the whole, the screwed hole that has that being used for the connecting hole that line connects and is used for fixing etc.On the other hand, the T2 of main body connecting terminal portion is the terminal part (seeing the T3 among Figure 16 and Figure 17) that is connected with the terminal part of breaker body.This main body connecting terminal T2 of portion is along with the indentation and the extraction of breaker body, is connected with corresponding main body terminal part relatively continually or breaks off.Therefore, the main body connecting terminal T2 of portion can be through being configured to a plurality of conductive plate layerings, and conductive plate keeps in touch pressure through flat spring (not providing Reference numeral).
Describe according to the configuration that is used for the Withdrawable device of circuit breaker of the present invention with reference to Fig. 4 to Fig. 6., in Figure 11, also protrude at Fig. 5, with configured in one piece or the connection status between them that more clearly shows some element with overlap condition even be noted that the part that covers.
Fig. 4 is the stereogram that illustrates according to the configuration of the Withdrawable device that is used for circuit breaker of the present invention; Fig. 5 is the front view according to the configuration of the Withdrawable device that is used for circuit breaker of the present invention; Show the connection configuration between second connecting rod, traction gear, guide slit and control terminal drive rods of all configuration Withdrawable devices especially, and Fig. 6 is the front view that illustrates according to the configuration of the Withdrawable device that is used for circuit breaker of the present invention.
The Withdrawable device that is used for circuit breaker according to the present invention can comprise main shaft 21, actuating force transfer unit (as 22,22a, 23,24,26a, 26b, 27,28,30 and 50), and guidance unit (as 12 and 12a).
According to the present invention, and the actuating force transfer unit (as 22,22a, 23; 24,26a, 26b; 27,28,30 and 50) always can have the parts that are connected with breaker body with main shaft 21; Constantly the actuating force of main shaft 21 is delivered to breaker body, like this, breaker body can move to indentation or extract the position out.
The actuating force transfer unit can comprise portable plate 22, the first tooth bar 22a, pinion 23, connecting rod 26a and 26b, traction gear 27, first rail plate 30 and second tooth bar 50.The actuating force transfer unit can further comprise gear back shaft 24 and connecting pin 28.
Preferably, a pair of first tooth bar 22a is formed at and leans on the board, thus lean on board vertically, along extending with the adjacent part in two edges of the dependence board of portable plate 22.
Be provided with and engage the first tooth bar 22a, rotate along with moving of the first tooth bar 22a whereby with the corresponding a pair of pinion 23 of the first paired tooth bar 22a.Paired pinion 23 is 24 supports of gear back shaft.
As shown in Figure 4, gear back shaft 24 extends in the direction perpendicular to main shaft 21.As shown in Figure 5, gear back shaft 24 extends through the axle link slot (not shown) of the lower guideway that is fixed on two side plate 12 bottoms.Pair of links 26a and 26b are connected respectively to the two ends of gear back shaft 24.Gear back shaft 24 is along with the rotation of paired pinion 23 is rotated together, thereby revolving force is delivered on connecting rod 26a and the 26b.
Connecting rod 26a and 26b coaxially are connected on the pinion 23, thereby rotate through the revolving force that passes from pinion 23.In more detail, connecting rod 26a and 26b coaxially are connected to gear back shaft 24 with pinion 23, thereby through rotating via the revolving force that gear back shaft 24 transmits from pinion 23.
Connecting rod 26a and 26b comprise lower link 26a and last connecting rod 26b.Lower link 26a and last connecting rod 26b interconnect with mutual locking through connecting pin (not providing Reference numeral).
As shown in Figure 6, each first rail plate 30 can move in the horizontal direction, and is connected to breaker body (seeing 60 among Figure 13) with the running circuit breaker main body.As shown in Figure 7; Each first rail plate 30 its top in the horizontal direction all is provided with the first slotted hole portion 32; And through connecting pin 41 support movably in the horizontal direction, connecting pin 41 is arranged in second rail plate, 40 places, outside that are inserted into first slotted hole 32.Therefore; Because the first slotted hole portion 32 is 41 supports of corresponding connecting pin; So first rail plate 30 can be extracted out towards front surface with respect to second rail plate 40 in the horizontal direction; Said front surface has the display and the operating unit of circuit breaker, and in the horizontal direction towards the back surperficial indentation of circuit breaker.
Fig. 7 illustrates the front view that is configured to according to the configuration of the rail plate of the Withdrawable device that is used for circuit breaker of the present invention and second tooth bar.
As shown in Figure 7, second tooth bar 50 that is provided with at the Withdrawable device that is used for circuit breaker according to the present invention is positioned at first rail plate 30.Therefore, second tooth bar 50 is 30 supports of first rail plate.Second tooth bar 50 can be mounted to and can in the scope of guide slit 33, move horizontally through fixed support element 50a, and said guide slit 33 is formed at the bottom of first rail plate 30.
Fixed support element 50a is configured to the form of ellipse, and it integrally extends from second tooth bar 50, perhaps is provided with individually and is connected to second tooth bar 50 then.Fixed support element 50a can be fixed on the position of any hope in the guide slit 30 through adopting the screw bolt and nut (not shown).Alternatively, screw bolt and nut unclamps, and in guide slit 33, moving horizontally fixed support element 50a, and then fixes screw bolt and nut, whereby fixed support element 50a is fixedly mounted on the position after moving.
Convert the rotary driving force of each traction gear transmission to horizontal actuator force through second tooth bar 50 being connected to traction gear 27, the second tooth bars 50, such first rail plate 30 can flatly move to indentation or extract the position out.Therefore, the breaker body (seeing 60 among Figure 13) that is connected with first rail plate 30 can flatly move to indentation or extract the position out.Thereby, can be configured to flatly move in order to make each second tooth bar 50 be connected to corresponding traction gear 27, the second tooth bars 50, allow adjustment second tooth bar 50 installation site in the horizontal direction thus.Therefore, in the production process of circuit breaker, can suitably handle the error in the time of to appear at assembling second tooth bar 50 with traction gear 27 effectively.
Continuation is with reference to Fig. 7; First slotted hole 32 makes each first rail plate 30 be connected with corresponding rail plate 40 with connecting pin 41; First slotted hole 32 flatly is formed at the top of first rail plate 30, and connecting pin 41 inserts first slotted hole 32 through second rail plate 40.
Each second rail plate 40 all is provided with and the guiding slotted hole of first slotted hole, the 32 corresponding formation of first rail plate 30 (in Fig. 7 owing to covered and not shown by first rail plate 30), and the guiding slotted hole is used to guide moving horizontally of connecting pin 41.Because connecting pin 41 inserts the guiding slotted hole and first slotted hole 32 that passes second rail plate 40, so first rail plate 30 and second rail plate 40 can interconnect and be directed to move in the horizontal direction.
In addition, each first rail plate 30 can move through connecting pin 41 with corresponding second rail plate 40 in the horizontal direction.That is, the state shown in Fig. 7 is the state of the left end of the connecting pin 41 guiding slotted hole that is positioned at second rail plate 40.In this state, second tooth bar 50 can move horizontally at left-hand through the traction gear among Fig. 6 27, thereby first rail plate 30 is moved at left-hand.Each first rail plate 30 possibly remain on left-hand and flatly move (that is, on the indentation direction, moving) among Fig. 7, is limited by the right-hand member of first slotted hole 32 in scheming until connecting pin 41.
In addition, move horizontally with the left side of first rail plate 30, like Figure 10 and shown in Figure 11, breaker body can move to link position.When the projection that is formed at each first rail plate, 30 top 31 was inserted in the groove (seeing the 60a among Figure 13) that is formed at relatively on the breaker body, breaker body can move horizontally along with moving horizontally of first rail plate 30.
Simultaneously; When the state of first rail plate 30 from Fig. 7 moved horizontally (that is, move to extract out direction) in dextrad, connecting pin 41 will contact with the right-hand member of the guiding slotted hole of second rail plate 40; And pushing it, second rail plate 40 can move horizontally in dextrad further whereby.Here, as shown in Figure 5, can guide moving horizontally of second rail plate 40 by the upper rail UR and the lower guideway LR of the upper and lower that is respectively fixed to side plate 12.Although not shown in the drawings, flatly extend the upper and lower on a pair of bootstrap block (not shown) back surface of each second rail plate 40 from Fig. 7, in order to engage with upper rail UR and lower guideway LR.
Simultaneously, still with reference to Fig. 5 and Fig. 6, be configured in according to the guidance unit that is used for the Withdrawable device of circuit breaker of the present invention (that is, 12 and 12a) and can guide moving of connecting pin 28; Connecting pin 28 connection actuating force transfer units (as: 22,22a, 23,24; 26a, 26b, 27,28; 30 and 50), particularly connecting rod (that is, 26a and 26b) arrives traction gear 27.Induction element 12 can comprise the side plate 12 of the carriage 10 that supports breaker body and be positioned at the guiding slotted hole 12a of portion on each side plate 12 with 12a, connects connecting pin 28 mobile of connecting rod (being 26a and 26b) and traction gear 27 in order to guiding.
With reference to Fig. 5; Unaccounted Reference numeral LR1 representes lower guideway cylinder (lower railroller); In order to reducing frictional force, to guide corresponding second rail plate 40 moving in the horizontal direction smoothly to the following bootstrap block that extends from the back surface of each second rail plate 40.In addition, unaccounted Reference numeral TP1 and TP2 represent respectively in upper end position and the bottom position of Fig. 1 to the carriage shown in Fig. 3 10.
Simultaneously; As shown in Figure 6; Can further comprise control terminal drive rod 29 according to circuit breaker of the present invention, each control terminal drive rod 29 all is connected to traction gear 27, so that the control power supply to be provided; And automatically connect control terminal according to the position of breaker body (see Figure 13 60) and connect or break off from it, with input/output signal.
Each control terminal drive rod 29 all is provided with groove, inserts the said groove from corresponding traction gear 27 outstanding ends, vertically moves thereby can or be rotated counterclockwise up and down with the clockwise of traction gear 27.
Control terminal drive rod 29 can be connected to the control terminal (not shown) on the carriage, that is, and and the control signal connector on the carriage.Therefore, along with upwards perhaps moving down of control terminal drive rod 29, the control terminal on the carriage, that is, the control signal connector on the carriage is also upper and lower to be moved.Breaker body can be provided with carriage on the control signal connector that links of control terminal (that is the control signal connector on the carriage).Control signal connector on the carriage and main body side control signal connector can have the pin-and-hole that is connected that a plurality of connecting pins and a plurality of confession connecting pins insert respectively, and vice versa.Control terminal on carriage promptly, when the control signal connector on the carriage moves down, just is connected to main body side control signal connector.On the other hand, the control terminal on carriage promptly, when the control signal connector on the carriage moves up, just breaks off with main body side control signal connector and (having separated).
In the present invention; Because traction gear 27 turns clockwise or is rotated counterclockwise connection or the open position that depends on breaker body; So control terminal on the carriage; That is, the control signal connector on the carriage depends on upper and lower together the moving of connection or open position of breaker body.Therefore, the control terminal on the carriage, that is, the control signal connector on the carriage can be automatically be connected to host computer side control signal connector or breaks off from it according to the connection of breaker body or open position.
Now, with the operation of circuit breaker that illustrates and describes above-mentioned structure and Withdrawable device thereof.
At first, will breaker body be installed to the operation in the carriage with reference to Figure 12 to Figure 15 description.
If the user with the hands promptly is positioned at the handle (not providing Reference numeral) of two first rail plate 30 front sides; Handle is pulled out two side plates 12 of carriage 10; Shown in figure 12; Until no longer extracting out, a pair of first rail plate 30 then shown in figure 12 and a pair of second rail plate 40 farthest are drawn to the front side of carriage 10.
Shown in figure 13, projection 31 (see figure 7)s of first rail plate 30 are inserted among the groove 60a that is formed on breaker body 60 both side surface.Therefore, breaker body 60 is connected to first rail plate 30 that supports it.
Shown in figure 14, when with the front surface of hand propelled breaker body 60, main body 60 is guided by the guiding slotted hole of upper rail UR, lower guideway LR, connecting pin 41, first slotted hole 32 and second rail plate 40.Along with moving of breaker body 60, two first rail plates 30 and two second rail plates 40 are all in the indentation carriage 10.Position shown in Figure 14 be the terminal part of terminal part and carriage 10 of main body 60 from (disconnection), and the open position that breaks off each other of bracket side control terminal as shown in Figure 6 and main body side control terminal (control connection device).
Shown in figure 15, handle H is connected to the handle connecting hole of the main shaft that is arranged in carriage 10 front surface bottoms (see Fig. 6 21), with rotary main shaft 21.For example, when turning clockwise handle H, main shaft 21 is rotated in a clockwise direction, and breaker body can move to the detection position or connect (indentation) position like this.Relatively, when being rotated counterclockwise handle H, main shaft 21 is along rotation counterclockwise, and breaker body can move to disconnection (extraction) position like this.
Here, link position is meant the position that breaker body is electrically connected with carriage.The detection position is meant such position: breaker body and carriage break off and being electrically connected, but owing to be connected between the terminal part on the carriage and the main body side terminal part, can supply with the control power supply, so can input/output signal.Open position is meant such position: breaker body is broken off with carriage and being electrically connected (promptly; Disconnected from each other like Fig. 3 and terminal part T2 and T3 shown in Figure 17); Owing to break off between control terminal on the carriage and the main body side control terminal; The supply of control power supply is cut off, therefore can not input/output signal.
The operating state of circuit breaker and Withdrawable device thereof will be described with reference to Fig. 8 to Figure 11 now.
The detection position that the operation described is the open position operation (move) of breaker body from Fig. 8 in Fig. 9, the initial link position in Figure 10, the complete link position in Figure 11.
In the state that Figure 14 describes, that is, be electrically connected (promptly with the carriage disconnection in breaker body; Break off each other like Fig. 3 and terminal part T2 and T3 shown in Figure 17), and the terminal part on the carriage and breaker body side control terminal partly leave, and the supply of controlling power supply like this is cut off; Extraction (disconnection) position that can not input/output signal; Tracker action through such as the motor (not shown) drives, and perhaps uses the handle H manual actuation shown in Figure 15, and main shaft 21 is turned clockwise.
Therefore, the portable plate 22 that tightens to main shaft 21 moves horizontally in dextrad along the threaded portion of main shaft 21, and the position of the position of said main shaft 21 from Fig. 8 in Fig. 9 turns clockwise.Along with portable plate 22 among the figure moves horizontally in dextrad, a pair of pinion 23 edges that engage with the first tooth bar 22a on being positioned at portable plate 22 are rotated counterclockwise.The gear back shaft 24 of axial support pinion 23 is also along being rotated counterclockwise.Therefore, the lower link 26a and the pinion 23 that are connected to gear back shaft 24 coaxially are rotated counterclockwise.
Being rotated counterclockwise of lower link 26a make to be gone up connecting rod 26b and moved up, and the traction gear 27 that is connected to connecting rod 26b through connecting pin 28 like this turns clockwise around pivot HP.Here, along with moving up of last connecting rod 26b, guiding connecting pin 28 makes progress along the guiding slotted hole 12a of two side plates 12.
Further, as shown in Figure 9, along with traction gear 27 turns clockwise around pivot HP, an end of each traction gear 27 separates with the groove of control corresponding final drive merit 29, and therefore, control terminal drive rod 29 moves down through himself gravity.Along with control terminal drive rod 29 moves down; Be connected on the carriage of the control terminal drive rod of treating together to move 29 control terminal (promptly; In order to transmit the connector of power supply and control signal); Be connected to breaker body side control terminal (that is, in order to transmit the connector of power supply and control signal) thereby move down together.
Therefore, the terminal part of carriage and circuit breaker (that is, being used for two terminal parts of power supply and electric load) breaks off each other, causes the cut-out of circuit (main circuit).But, owing to,, check to require controller whether corresponding circuit breaker works well so circuit breaker is positioned at the detection position in order to accomplish to controller power supply and being connected of transmitting control signal.
Inspection positions in Fig. 9; If the tracker action (not shown) through such as motor drives; Perhaps use the handle H manual actuation among Figure 15; Main shaft 21 is further turned clockwise, and the portable plate 22 that then tightens to main shaft 21 further moves horizontally in dextrad along the threaded portion of main shaft 21, and the position of the position of said main shaft 21 from Fig. 9 in Figure 10 turns clockwise.
Along with portable plate 22 among the figure the moving horizontally of dextrad, a pair of pinion 23 that engages with the first tooth bar 22a on being positioned at portable plate 22 further is rotated counterclockwise on the edge.The gear back shaft 24 of axial support pinion 23 is also further along being rotated counterclockwise.Therefore, the lower link 26a and the pinion 23 that are connected to gear back shaft 24 further coaxially are rotated counterclockwise.
Being rotated counterclockwise of lower link 26a further makes connecting rod 26b move up, and the traction gear 27 that is connected to connecting rod 26b through connecting pin 28 so further turns clockwise around pivot HP.Here, along with last connecting rod 26b moves up, further guide connecting pin 28 to make progress along the guiding slotted hole 12a of two side plates 12.
Further, shown in figure 10, along with traction gear 27 further turns clockwise around pivot HP, second tooth bar 50 that is connected to traction gear 27 moves to the state Figure 10 from the status level of Fig. 9 in the drawings.Along with second tooth bar 50 among the figure can be found out in Fig. 6 the moving horizontally of left-hand, first rail plate 30 that second tooth bar 50 is positioned at moves horizontally in identical direction.
Therefore; As shown in Figure 7; Breaker body (seeing 60 among Figure 13) also moves horizontally in identical direction (being left-hand) through the actuating force of transmitting via concave part (seeing the 60a among Figure 13), and said concave part is formed on the side surface of main body to engage with the projection 31 of first rail plate 30.Here, the main body side terminal part T3 shown in Figure 16 is positioned at initial indentation (connection) state that contacts with bracket side terminal part T2.
In addition; Because an end of each traction gear 27 all separates with the groove of control corresponding final drive bar 29; Thereby keep bracket side control terminal (that is, in order to transmit the connector of power supply and control signal) to be connected to the state of main body side control terminal (that is, in order to transmit the connector of power supply and control signal); That is, control power supply and the state that transmits control signal can be provided.Therefore, carriage terminal part and breaker body terminal part begin to contact with each other, thereby are in circuit (main circuit) between power supply and the electric load via the initial connection status of circuit breaker (that is initial indentation state).
Simultaneously; On initial indentation (connection) position in Figure 10; If the tracker action (not shown) through such as motor drives, perhaps use the handle H manual actuation of Figure 15, main shaft 21 is further turned clockwise; The portable plate 22 that then tightens to main shaft 21 further moves horizontally in dextrad along the threaded portion of main shaft 21, and the position of the position of said main shaft 21 from Figure 10 in Figure 11 turns clockwise.
Along with portable plate 22 among the figure the moving horizontally of dextrad, a pair of pinion 23 that engages with the first tooth bar 22a on being positioned at portable plate 22 further is rotated counterclockwise on the edge.The gear back shaft 24 of axial support pinion 23 is also further along being rotated counterclockwise.Therefore, the lower link 26a and the pinion 23 that are connected to gear back shaft 24 further coaxially are rotated counterclockwise.
Being rotated counterclockwise of lower link 26a further moves up connecting rod 26b, and the traction gear 27 that is connected to connecting rod 26b through connecting pin 28 like this turns clockwise around pivot HP further.Here, along with last connecting rod 26b moves up, further the guiding slotted hole 12a through two side plates 12 upwards guides connecting pin 28, arrives the upper end of guiding slotted hole 12a until connecting pin 28.
Further, shown in figure 11, along with traction gear 27 further turns clockwise around pivot HP, second tooth bar 50 that engages with traction gear 27 is moved horizontally to the state Figure 11 from the state of Figure 10 at left-hand in the drawings.Along with second tooth bar 50 among the figure moves horizontally at left-hand, in Fig. 6, can find out, first rail plate 30 that supports second tooth bar 50 also moves horizontally in identical direction.
Therefore, as shown in Figure 7, breaker body (seeing 60 among Figure 13) moves horizontally in identical direction (being left-hand) through concave part (seeing the 60a among Figure 13), and said concave part is formed on the projection 31 of side surface to engage first rail plate 30 of main body.Here, shown in figure 17, main body side terminal part T3 is positioned at the state that is fully retracted (connection status fully) of the terminal part of indentation bracket side in depth T2.
In addition; One end of each traction gear 27 all separates with the groove of control corresponding final drive bar 29; Thereby the control terminal on the maintenance carriage (that is, in order to transmit the connector of power supply and control signal) is connected to the state of main body side control terminal (that is, in order to transmit the connector of power supply and control signal); That is, control power supply and the state that transmits control signal can be provided.Therefore, the carriage terminal part contacts with the main body terminal part each other fully, thereby is in circuit (main circuit) between power supply and the electric load via the complete connection status (that is, being fully retracted state) of circuit breaker.
Next circuit breaker operation to disconnection (extraction) position of Fig. 8 from connection (indentation) position of Figure 11 is described.
In the state that Figure 11 describes, that is, in such indentation (connection) position: breaker body is electrically connected (promptly with carriage; Fig. 3 is connected mutually with T3 with terminal part T2 among Figure 17); The bracket side control terminal is connected with the main body side control terminal, can supply with control power supply and input/output signal like this, through driving the tracker action (not shown) such as motor; Perhaps use the handle H shown in Figure 15, main shaft 21 is rotated counterclockwise.Therefore, the portable plate 22 that tightens to main shaft 21 moves horizontally at left-hand along the threaded portion of main shaft 21, and the position of said main shaft 21 from Figure 11 is rotated counterclockwise through the position of position in Fig. 9 among Figure 10.
Along with portable plate 22 among the figure the moving horizontally of left-hand, a pair of pinion 23 edges that engage with the first tooth bar 22a on being positioned at portable plate 22 turn clockwise.The gear back shaft 24 of axial support pinion 23 also turns clockwise.Therefore, the lower link 26a and the pinion 23 that are connected to gear back shaft 24 coaxially turn clockwise.Turning clockwise of lower link 26a moves down connecting rod 26b, and the traction gear 27 that is connected to connecting rod 26b through connecting pin 28 like this is rotated counterclockwise around pivot HP.Here, along with last connecting rod 26b moves down, guiding connecting pin 28 is downward along the guiding slotted hole 12a of two side plates 12.
Further; Like Figure 10 and shown in Figure 9; Although be rotated counterclockwise around pivot HP at traction gear 27; But an end of each traction gear 27 not with the state of the engage grooves of control corresponding final drive bar 29 in, this end of traction gear 27 is in the state that separates with the groove of control corresponding final drive bar 29.
Therefore, bracket side control terminal (that is, being used to transmit the terminal of power supply and control signal) is in the state that is connected with breaker body side control terminal (that is, being used to transmit the terminal of power supply and control signal).But owing to being rotated counterclockwise of traction gear 27, second tooth bar 50 that engages with traction gear 27 is moved horizontally to the position of Figure 10 in the drawings in dextrad from the position of Figure 11.Therefore, as shown in Figure 6, first rail plate 30 with second tooth bar 50 moves horizontally on identical direction.
Here, as shown in Figure 7, the breaker body (seeing 60 among Figure 13) that is connected to the projection 31 of first rail plate 30 through the concave part (seeing the 60a among Figure 13) that is formed on main body side surface in the drawings also can move horizontally along identical direction (that is dextrad).Therefore, carriage terminal part and main body terminal part (that is) all corresponding to the terminal of power supply and electric load, that is, main body side terminal part T3 and bracket side terminal part T2 (being found in Figure 16 and Figure 17) are separated from one another, thus blocking-up current supply circuit (main circuit).But, to have accomplished in order to controller power supply and being connected of transmitting control signal, circuit breaker is positioned at the detection position, checks to require controller whether corresponding circuit breaker works well.
Inspection positions in Fig. 9; If through driving tracker action (not shown) such as motor; Perhaps use the handle H among Figure 15; Main shaft 21 further is rotated counterclockwise, and the portable plate 22 that then tightens to main shaft 21 further moves horizontally at left-hand along the threaded portion of main shaft 21, and the position of the position of said main shaft 21 from Fig. 9 in Fig. 8 is rotated counterclockwise.
Here, along with portable plate 22 among the figure the moving horizontally of left-hand, a pair of pinion 23 that engages with the first tooth bar 22a on being positioned at portable plate 22 further turns clockwise on the edge.The gear back shaft 24 of axial support pinion 23 is also along turning clockwise.
Therefore, the lower link 26a and the pinion 23 that are connected to gear back shaft 24 further coaxially turn clockwise.Turning clockwise of lower link 26a further makes connecting rod 26b move down, and the traction gear 27 that is connected to connecting rod 26b through connecting pin 28 so further is rotated counterclockwise around pivot HP.Here, along with last connecting rod 26b moves down, further guide connecting pin 28 downward along the guiding slotted hole 12a of two side plates 12.
Further, as shown in Figure 8, along with traction gear 27 further is rotated counterclockwise around pivot HP, second tooth bar 50 that engages with traction gear 27 is moved horizontally to the state Fig. 8 from the state of Fig. 9 in dextrad in the drawings.Along with second tooth bar 50 among the figure can be found out in Fig. 6 the moving horizontally of dextrad, first rail plate 30 that second tooth bar 50 is positioned at moves horizontally in identical direction.Therefore, as shown in Figure 7, side surface is formed with the breaker body (seeing 60 among Figure 13) of the concave part (seeing the 60a among Figure 13) of the projection 31 that is connected to first rail plate 30, moves horizontally along identical direction (that is the dextrad among the figure).
Therefore, main body side terminal part T3 is in disconnection (extraction) state that breaks off fully with bracket side terminal part T2.In addition, when an end of each traction gear 27 is connected to the groove of control corresponding final drive bar 29, and when therefore traction gear 27 is rotated counterclockwise, on push away control terminal drive rod 29 and move up.
Therefore; Breaker body can be in the bracket side control terminal (promptly; In order to transmit the connector of power supply and control signal) and the main body side control terminal is (promptly; In order to transmit the connector of power supply and control signal) disconnection (extraction) state of disconnection, that is, the power supply that is used to control is cut off and state that can not transmission of control signals.
As stated, Withdrawable device or the circuit breaker that is used for circuit breaker according to the present invention comprises gear and the coaxial connecting rod that is connected to gear that always is connected to the actuating force transfer unit, to dispose continuous actuating force transmission.Therefore, can prevent to have guaranteed the long life of circuit breaker because the impulsive force that when the breaker body indentation is perhaps extracted out, is applied causes the assembly of Withdrawable device to damage or distortion.And prevented when extracting out suddenly moving forward, thereby guaranteed user's security effectively.
Withdrawable device or the circuit breaker that is used for circuit breaker according to the present invention is provided with the induction element that moves in order to the guiding transfer unit.Therefore, be used for indentation or when extracting breaker body out, can limit the level of displacement with guide member, thereby when extracting breaker body out, the useful life of circuit breaker can be longer, and can guarantee user's security more effectively in power supply.
The foregoing description and advantage only are exemplary, and are not to be used to limit the present invention.This instruction can easily be applied to the equipment of other type.This explanation is an illustrative, and is not used in the scope of restriction claim.Many for a person skilled in the art replacements, modification and variation are conspicuous.Characteristic in the exemplary embodiment described herein, structure, method and further feature can make up through the whole bag of tricks, to obtain the exemplary embodiment of extra and/or replaceability.
Because eigen can be presented as various ways under the situation that does not break away from its characteristic; Do not limited so it should be understood that the foregoing description, only if appointment is arranged in addition by any details of foregoing description; But need be interpreted as in additional claim institute restricted portion; Therefore, all drop in claim border and the scope, and the modification and the retouching that perhaps are equal in these borders and the scope all should be included in the additional claim.
Claims (10)
1. Withdrawable device that is used for circuit breaker comprises:
Main shaft, it rotates through manual or tracker action, and is configured to provide actuating force that the main body of circuit breaker is driven into indentation or extracts the position out;
The actuating force transfer unit, it has parts always connected to one another, continuously actuating force is delivered to the main body of said circuit breaker from said main shaft, so that said main body can move to indentation or extract the position out; And
Guidance unit, it is configured to guide moving of said actuating force transfer unit,
Wherein said actuating force transfer unit comprises:
Portable plate, itself and said main shaft mesh, and are configured to when said main axis rotation in the horizontal direction with said main axle moving;
First tooth bar, it is arranged on the said portable plate to move horizontally with said portable plate and moves;
Pinion, it engages with corresponding first tooth bar, to move with said first tooth bar and rotate;
The gear back shaft, it is configured to axially support said pinion, and rotates with said pinion;
Connecting rod, it is connected to the gear back shaft coaxial with said pinion, and is configured to rotate through the revolving force from said pinion transmission;
Traction gear, each traction gear all are connected to corresponding connecting rod to transmit the actuating force from said connecting rod;
Second tooth bar, it engages with said traction gear, converts horizontal actuator force to the rotation with each said traction gear; And
Rail plate, it is configured to move in the horizontal direction with said second tooth bar, and supports said second tooth bar, and the main body that is connected to said circuit breaker is to drive the main body of said circuit breaker.
2. device according to claim 1, wherein said guidance unit comprises:
Guiding slotted hole portion; It is formed on two side plates of carriage; Said carriage is electrically connected to power supply and electric load and has the side plate in order to the main body that supports said circuit breaker; Said guiding slotted hole portion is configured to guide moving of connecting pin, and said connecting rod and traction gear are connected to each other through said connecting pin.
3. Withdrawable device that is used for circuit breaker; Be provided with and be electrically connected to power supply and electric load and have carriage in order to the side plate of the main body that supports said circuit breaker; And the main body that can move to the circuit breaker of link position, detection position and open position, be electrically connected to carriage in the main body of the said circuit breaker of said link position, though the main body of said circuit breaker and carriage electricity break off in said detection position; Control power supply and signal I/O also are provided; Main body and carriage electricity at the said circuit breaker of said open position break off, thereby cut off the power supply that is used to control and do not have the signal I/O, and this device comprises:
Main shaft, it has the threaded portion, and comes manually to rotate through connecting handle;
Portable plate, the threaded portion engagement of itself and main shaft, said just when rotated portable plate moves forward and backward when the threaded portion of main shaft;
First tooth bar, it is installed in the upper surface of portable plate, with moving forward and backward and move forward and backward with portable plate;
Pinion, it engages with corresponding first tooth bar, and moving forward and backward and rotate with first tooth bar;
The gear back shaft, it is configured to axially support said pinion and rotates with said pinion;
Connecting rod, it is connected to the gear back shaft coaxial with pinion, rotating through the revolving force from the pinion transmission, and is configured to provide actuating force to move with the main body that allows circuit breaker;
Traction gear, it is supported on the side plate rotatably, and each traction gear all has the corresponding connecting rod of being connected to transmit the end from the actuating force of connecting rod;
Second tooth bar, it engages with traction gear, and each second tooth bar all is configured to convert the revolving force of corresponding traction gear to horizontal actuator force; And
Rail plate, it is configured to move horizontally with second tooth bar, and supports said second tooth bar, and be connected to circuit breaker main body so that the main body of circuit breaker move.
4. device according to claim 3, wherein said connecting rod comprises:
First connecting rod, it coaxially is connected to said pinion, rotates with the rotation with corresponding pinion; And
Second connecting rod, an end of each second connecting rod is connected to corresponding first connecting rod, and the other end of each second connecting rod is connected to corresponding traction gear, is delivered to said traction gear with the revolving force with said first connecting rod.
5. device according to claim 3 further comprises:
Guiding slotted hole portion, said guiding slotted hole portion is formed on said side plate place, and is configured to guide moving of connecting pin, and said connecting rod is connected to traction gear through said connecting pin.
6. device according to claim 3, wherein each rail plate all is provided with guide slit, and said guide slit is configured to guide corresponding second tooth bar, so that said second tooth bar is arranged on the different positions.
7. circuit breaker; It is provided with and is electrically connected to power supply and electric load and has the carriage in order to the side plate that supports breaker body; And the main body that can move to the circuit breaker of link position, detection position and open position, be electrically connected to carriage in the main body of the said circuit breaker of said link position, though the main body of said circuit breaker and carriage electricity break off in said detection position; Control power supply and signal I/O also are provided; Main body and carriage electricity at the said circuit breaker of said open position break off, thereby cut off the power supply that is used to control and do not have the signal I/O, and this circuit breaker comprises:
Main shaft, it has the threaded portion, and comes manually to rotate through connecting handle;
Portable plate, the threaded portion engagement of itself and main shaft, said just when rotated portable plate moves forward and backward when the threaded portion of main shaft;
First tooth bar, it is installed in the upper surface of portable plate, with moving forward and backward and move forward and backward with portable plate;
Pinion, it engages with corresponding first tooth bar, and moving forward and backward and rotate with first tooth bar;
The gear back shaft, it is configured to axially support said pinion and rotates with said pinion;
Connecting rod, it is connected to the gear back shaft coaxial with pinion, rotating through the revolving force from the pinion transmission, and is configured to provide actuating force to move with the main body that allows circuit breaker;
Traction gear, each traction gear all have the corresponding connecting rod of being connected to transmit the end from the actuating force of connecting rod;
Second tooth bar, it engages with traction gear, and each second tooth bar all is configured to convert the revolving force of corresponding traction gear to horizontal actuator force; And
Rail plate, it is configured to move horizontally with second tooth bar, and supports said second tooth bar, and be connected to circuit breaker main body so that the main body of circuit breaker move.
8. circuit breaker according to claim 7 further comprises:
Guiding slotted hole portion, said guiding slotted hole portion is formed on said side plate place, and is configured to guide moving of connecting pin, and said connecting rod is connected to traction gear through said connecting pin.
9. circuit breaker according to claim 7 further comprises:
The control terminal drive rod; Each said control terminal drive rod all is connected to corresponding traction gear or separates from corresponding traction gear; Coming being dynamically connected certainly of drive controlling terminal according to the position of the main body of said circuit breaker or to break off, said control terminal is used to provide said power supply and signal I/O.
10. circuit breaker according to claim 7, wherein said connecting rod comprises:
First connecting rod, it coaxially is connected to said pinion, rotates with the rotation with corresponding pinion; And
Second connecting rod, an end of each second connecting rod is connected to corresponding first connecting rod, and the other end of each second connecting rod is connected to corresponding traction gear, is delivered to said traction gear with the revolving force with said first connecting rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090000477A KR101010078B1 (en) | 2009-01-05 | 2009-01-05 | Draw in and out apparatus for circuit breaker and circuit breaker having the same |
| KR10-2009-0000477 | 2009-01-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101814705A CN101814705A (en) | 2010-08-25 |
| CN101814705B true CN101814705B (en) | 2012-09-05 |
Family
ID=42621858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100002117A Active CN101814705B (en) | 2009-01-05 | 2010-01-04 | A draw-in and out device for circuit breaker and breaker with the same |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101010078B1 (en) |
| CN (1) | CN101814705B (en) |
| MY (1) | MY145866A (en) |
| RU (1) | RU2416848C1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101132290B1 (en) * | 2010-12-27 | 2012-04-05 | 인텍전기전자 주식회사 | Apparatus for automatic drawing in/out circuit-breaker for distributing switchboard |
| KR101702537B1 (en) * | 2014-10-01 | 2017-02-06 | 현대중공업 주식회사 | Switch driving device |
| CN205140890U (en) * | 2015-11-10 | 2016-04-06 | 浙江正泰电器股份有限公司 | Universal type circuit breaker |
| CN107230587A (en) * | 2017-05-24 | 2017-10-03 | 河南师范大学 | A kind of Shell of circuit breaker |
| KR102335600B1 (en) * | 2020-02-03 | 2021-12-06 | 엘에스일렉트릭(주) | Plug Interlock Device For Vacuum Circuit Breaker |
| RU200607U1 (en) * | 2020-06-26 | 2020-11-02 | Общество с ограниченной ответственностью производственно-техническая компания «АкЭл» | RETRACTOR BASE FOR RETRACTABLE CIRCUIT BREAKERS |
| CN113939117B (en) * | 2020-06-29 | 2023-06-02 | 戴尔产品有限公司 | Gear train side latch mechanism for modular information handling resources |
| KR102507648B1 (en) * | 2020-11-19 | 2023-03-08 | 엘에스일렉트릭(주) | Circuit breaker and circuit breaker assembly include the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485842Y (en) * | 2001-06-13 | 2002-04-10 | 武进市新苑电力配件厂 | Drawer push interlock for cabinet |
| CN2550940Y (en) * | 2002-05-23 | 2003-05-14 | 常熟开关厂 | Driving device for breaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100450709B1 (en) * | 2003-05-19 | 2004-10-01 | (주) 로커스네트웍스 | SYSTEM AND METHOD OF COMMUNICATION BETWEEN ACCESS POINT AND ACCESS POINT CONTROLLER FOR 1xEV-DO SERVICE |
| KR200351473Y1 (en) * | 2003-12-23 | 2004-05-24 | 현대중공업 주식회사 | Plug interlock and earthing switch interlock of drowout mechanism in the vacuum contactor |
-
2009
- 2009-01-05 KR KR1020090000477A patent/KR101010078B1/en active IP Right Grant
- 2009-12-15 MY MYPI20095386A patent/MY145866A/en unknown
- 2009-12-29 RU RU2009149388/07A patent/RU2416848C1/en active
-
2010
- 2010-01-04 CN CN2010100002117A patent/CN101814705B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485842Y (en) * | 2001-06-13 | 2002-04-10 | 武进市新苑电力配件厂 | Drawer push interlock for cabinet |
| CN2550940Y (en) * | 2002-05-23 | 2003-05-14 | 常熟开关厂 | Driving device for breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2416848C1 (en) | 2011-04-20 |
| KR101010078B1 (en) | 2011-01-24 |
| KR20100081174A (en) | 2010-07-14 |
| CN101814705A (en) | 2010-08-25 |
| MY145866A (en) | 2012-05-15 |
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