CN1223063C - Breaker inserting/withdrawing device - Google Patents

Breaker inserting/withdrawing device Download PDF

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Publication number
CN1223063C
CN1223063C CN 01122056 CN01122056A CN1223063C CN 1223063 C CN1223063 C CN 1223063C CN 01122056 CN01122056 CN 01122056 CN 01122056 A CN01122056 A CN 01122056A CN 1223063 C CN1223063 C CN 1223063C
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CN
China
Prior art keywords
circuit breaker
mentioned
breaker
link
open
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Expired - Fee Related
Application number
CN 01122056
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Chinese (zh)
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CN1384571A (en
Inventor
仓野孝一
山本秀信
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication date
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Priority to CN 01122056 priority Critical patent/CN1223063C/en
Publication of CN1384571A publication Critical patent/CN1384571A/en
Application granted granted Critical
Publication of CN1223063C publication Critical patent/CN1223063C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The present invention provides a circuit breaker insertion / withdrawing device. When a chamber door 26 of a circuit breaker is closed, the circuit breaker can be operated exteriorly. The circuit breaker 1 is provided with a driving shaft and an operating device of circuit breaker moving, wherein the driving shaft can be freely moved at an off position and a connection position, a bottom part 2 of a circuit breaker chamber 24 is arranged in the circuit breaker 1 and the driving shaft is operated through an exterior operating device outside the circuit breaker chamber. The operating device of circuit breaker moving is provided with a rod 13 which enables the circuit breaker 1 to move through the rotation of the driving shaft.

Description

Insertion/the withdrawing device of circuit breaker
Technical field
The present invention relates to be loaded into the insertion/withdrawing device of the circuit breaker of enclosed switchboard, particularly relate to insertion be link position and extract out be that open position moves freely, in be loaded on the insertion/withdrawing device of the circuit breaker of breaker chamber.
Background technology
Figure 16, Figure 17 illustrate the circuit breaker insertion/withdrawing device of prior art.Figure 16 is the front elevation of enclosed switchboard breaker chamber, and Figure 17 is its side view.In this distribution board, fore side at breaker chamber is that the front side is provided with the breaker chamber door, move freely dress circuit breaker 1 in the ground at open position and link position, when circuit breaker 1 insertion/extraction, when open position and link position carry out move operation, open, shutdown device chamber door.
Symbol 1 among the figure is a circuit breaker, the 2nd, and the bottom of breaker chamber, the 3rd, the chain pin of circuit breaker 1, the 4th, the extraction bar of circuit breaker 1.
Chain pin 3 is used to prevent the insertion/extraction misoperation of circuit breaker 1, and flies out outside the breaker chamber of circuit breaker 1 when preventing internal fault.
Insertion/the draw out operation of the circuit breaker 1 of above-mentioned structure, promptly be located at the breaker chamber door of opening not shown distribution board breaker chamber the front side breaker chamber behind the door, picking up with hand under the state of chain pin 3, carry out with extracting bar 4 out.
The above-mentioned circuit breaker insertion/withdrawing device of prior art carries out the insertion operation of circuit breaker under the state of opening the positive door of distribution board, need confirm the link position (insertion end position) of circuit breaker because of the inclination of extracting bar out, so, confirming there is human error on the link position required time, inserting operation needs the longer time.
In addition because skilled in recent years operator's deficiency, wish to appear under the positive door closing state of distribution board also can connect, each position of cut-off breaker carry out move operation, implements the device of operation even make the layman also can keep off charging part.
Summary of the invention
The purpose of this invention is to provide a kind of human error of eliminating circuit breaker insertion/extraction operation required time, simplify the operation, simultaneously simple in structure, compact insertion/withdrawing device.
In addition, even the purpose of this invention is to provide a kind ofly under the state of closing door, also can carry out the insertion/withdrawing device of the insertion/draw out operation of circuit breaker.
For achieving the above object, the invention provides a kind of circuit breaker insertion/withdrawing device, be used for circuit-breaker, circuit-breaker comprises the bottom that is located at breaker chamber, moves freely in breaker chamber in the circuit breaker of open position and link position, wherein, be provided with the circuit breaker mobile actuating device that circuit breaker is moved at open position and link position, described circuit breaker mobile actuating device comprises: the driving shaft of operating by the external operation device outside above-mentioned breaker chamber; Be connected between above-mentioned driving shaft and the above-mentioned circuit breaker bar that above-mentioned circuit breaker is moved at open position and link position; Be connected between above-mentioned driving shaft and the above-mentioned circuit breaker, the rotation motion of above-mentioned driving shaft is changed to the above-mentioned open position of above-mentioned circuit breaker and the straight-line mobile movement converter between the above-mentioned link position.
Preferably, in described circuit breaker insertion/withdrawing device, bar is between open position and the link position, on the center of rotation of open position and this bar and straight line that link position is formed, rotate so that the fastening end of the bar that fastens with circuit breaker alternately is positioned at open position side and link position side from described bar center of rotation semi-freely, when being positioned at the open position side in the buckling end portion of bar at least, become the position of crossing above-mentioned straight line.
Preferably, in described circuit breaker insertion/withdrawing device, breaker chamber has the breaker chamber door with circuit breaker inserts, extraction is indoor.
Preferably, in described circuit breaker insertion/withdrawing device, be provided with:
The jack switch device, it is movable to the release position of the locked position of coupler and the open described connector of locking connector, and described connector can connect driving shaft and from the external operation device of this driving shaft of field operation;
Switch state detector, its end is fastened on above-mentioned switching device, move and detect the on off state of circuit breaker to the direction of the switch display part of contact breaker to moving of release position along with above-mentioned jack switch device, simultaneously, be the switch display part of the above-mentioned circuit breaker of contact under the closed condition and stop it to be moved further at circuit breaker;
The breaker chamber door latch apparatus is latched to closed condition with described breaker chamber door from open position at circuit breaker when the link position direction drives;
Arc switch inhibiting apparatus, interlock is forbidden the operation of arc switch to moving of release position in above-mentioned jack switch device, simultaneously, the above-mentioned breaker chamber door that causes in above-mentioned breaker chamber door latch apparatus of interlock is to the action of closed condition and forbid the operation of above-mentioned arc switch.
Preferably, in described circuit breaker insertion/withdrawing device, be provided with the jack switch inhibiting apparatus, forbid the opening action of jack switch device during for open mode at the breaker chamber door.
Preferably, in described circuit breaker insertion/withdrawing device, external operation device is the joystick that is provided with the axle that freely is connected with driving shaft with loading and unloading.
Preferably, in described circuit breaker insertion/withdrawing device, the actuating force conveyer of driving shaft and bar is a gear combination, is configured to rotate with interior operation and circuit breaker can be moved between open position and link position with joystick one.
Description of drawings
Fig. 1 is the front elevation that shows this device basic structure shown in the embodiment 1.
Fig. 2 is the plane graph that shows circuit breaker insertion/draw out operation mechanism.
Fig. 3 is a part front elevation of seeing the baffle part of Fig. 1 from face side.
Fig. 4 is the A-A side cross-sectional view of Fig. 1.
Fig. 5 is the B-B side cross-sectional view of Fig. 1.
Fig. 6 is the C-C sectional view of Fig. 5.
Fig. 7 is the D-D sectional view of Fig. 5.
Fig. 8 shows that circuit breaker is in the joystick as external operation device of open position, (A) is the front elevation of joystick, (B) is the side view of joystick, (C) is that axle with joystick embeds the sectional view be connected to the state behind the connector.
Fig. 9 shows that circuit breaker is in the joystick of link position, (A) is the front elevation of joystick, (B) is the side view of joystick, (C) is that axle with joystick embeds the sectional view be connected to the state behind the connector.
Figure 10 is the side cross-sectional view of demonstration corresponding to the breaker chamber locking device of opening closed condition of the breaker chamber door 26 of distribution board, (A) is the side view of closed condition, (B) is the side view of open mode.
Figure 11 is the front elevation about the interlocking device of baffle plate 11 and breaker chamber door latch apparatus.
Figure 12 is the front elevation that shows breaker chamber door latch apparatus and arc (ァ one シ Application グ) switch inhibiting apparatus.
Figure 13 is the side view of Figure 12.
Figure 14 is the E-E sectional view of Fig. 1.
Figure 15 is the front elevation of Figure 14.
Figure 16 is the front elevation of the breaker chamber of prior art locking distribution board.
Figure 17 is the side view of this breaker chamber.
Embodiment
Embodiment 1
According to Fig. 1 to Fig. 5 present embodiment 1 is described below.And, for as Figure 16 of prior art, the identical or parts that are equal to illustrated in fig. 17, give identical symbol and omit its explanation.
At first, among Fig. 1 to Fig. 4, Fig. 1 is the front elevation that shows this device basic structure, and Fig. 2 is the plane graph that shows circuit breaker insertion/draw out operation mechanism, and Fig. 3 is a part front elevation of seeing the baffle part of Fig. 1 from face side.Fig. 4 is the A-A side cross-sectional view of Fig. 1.
Among Fig. 1, the 2nd, the bottom of breaker chamber 24, downside in this bottom 2, be configured in close under the state of breaker chamber door 26 that the front side that is located at Fig. 2 and breaker chamber 24 shown in Figure 4 is a fore side from the outside of breaker chamber 24 can operating breaker 1 circuit breaker mobile actuating device 5, and at the baffle plate lock release device (jack switch inhibiting apparatus) 6 of hypomere side configuration in the front of breaker chamber 24 based on the segment inferior door 27 (for example with reference to Figure 10 A, 10B) of breaker chamber 24, breaker chamber door latch apparatus 7, and arc switch inhibiting apparatus 9 etc.
Among Fig. 1, Fig. 8, Fig. 9, symbol 10 among Fig. 1 is sockets as connecting portion of the dip portion opening of 2 front side in the bottom, will insert and be operably connected to the leading section 18a (with reference to Fig. 4) as the power transmission shaft 18 of the driving shaft that constitutes circuit breaker mobile actuating device 5 as the axle 19a of the joystick 19 of external operation device.
Usually when following joystick 19 as external operation device did not connect power transmission shaft 18 as the driving shaft that constitutes circuit breaker mobile actuating device 5, when promptly not connecting, the baffle plate 11 that this socket 10 is used as the jack switch device stopped up.And, be attached to as the baffle plate 11 of this jack switch device or as described below.
Among Fig. 8 and Fig. 9, external operation device is described.
Fig. 8 shows that circuit breaker is in the joystick 19 of open position as external operation device, (A) be the front elevation of joystick 19, (B) be the side view of joystick 19, (C) be the sectional view of the state after axle 19a with joystick 19 embeds socket 10 and is connected to power transmission shaft 18 connectors, Fig. 9 shows that circuit breaker 1 is in the joystick 19 of link position, (A) be the front elevation of joystick 19, (B) being the side view of joystick 19, (C) is the sectional view that axle 19a with joystick 19 embedded and be connected to the state behind the socket 10.
Illustrated external operation device is the joystick 19 that is provided with the axle 19a that releasably is connected with the leading section 18a of the power transmission shaft 18 of circuit breaker mobile actuating device 5.
Socket 10 make consider with the combining of the set anti-withdrawing pin 16 of axle 19a of joystick 19 after shape, prevent withdrawing joystick 19 in the process of operation (rotation) circuit breaker mobile actuating device 5.
Symbol 17 among the figure is provided in a side of the pin of chimeric usefulness of leading section 18a of the power transmission shaft 18 of circuit breaker mobile actuating device 5 shown in Figure 4, and it combines with the set otch 16a of the axle 19a side of joystick 19 chimericly.
And, (A) of Fig. 8, (B)), (C) show that circuit breaker 1 is in the position relation of angle and anti-withdrawing pin 16, chimeric pin 17 of the joystick 19 of open position, clockwise direction rotates the finish drilling position of vertical pole 19 of state that 195 degree back circuit breakers 1 move to link position and concerns in (A) of Fig. 9, (B), (C) displayed map 2.
Fig. 4 illustrates circuit breaker mobile actuating device 5.
This circuit breaker mobile actuating device 5 is made of following parts: front end face is to socket 10, the power transmission shaft 18 as driving shaft that is connected with axle 19a as the joystick 19 of external operation device; Accept the rotatory force in the vertical plane to be converted to after the rotatory force of this power transmission shaft 18 transmission case 12 of the rotatory force in the horizontal plane; Forward and reverse rotation picture semicircle ground corresponding to power transmission shaft 18 comes bar 13 of back rotation, insertion/extraction circuit breaker 1 etc. in the bottom of circuit breaker 1 through this transmission case 12.
Front end at bar 13, cylinder 14 vertically is provided with axle, this cylinder 14 freely rotates two frameworks of establishing at the Width that is parallel to circuit breaker 1 15 of the bottom surface side that is accommodated in circuit breaker 1 movably, between 15, draw the rotational motions back and forth of semicircle ground by bar 13, circuit breaker 1 is the open position shown in the left side and to be set between the link position of right of figure walking mobile in the drawings.
Actuating force conveyer between above-mentioned power transmission shaft 18 and the bar 13 is that transmission case 12 promptly is the helical gear combination in this embodiment, and circuit breaker 1 is configured to and can moves between its open position and link position.
The operation of circuit breaker is described according to Fig. 1 to Fig. 4 below.
At first, as initial condition, circuit breaker 1 is positioned at open position, and the socket of the arc switch inhibiting apparatus 9 of circuit breaker 1 described later is opened by baffle plate, and the breaker chamber door 26 of distribution board and segment inferior door 27 are assumed to be such closing state shown in Figure 10 (A).In addition, Figure 10 (B) shows the state that breaker chamber door 26 and segment inferior door 27 are opened.
So, use is as the joystick 19 of external operation device during from circuit breaker mobile actuating device 5 that breaker chamber 24 sides of peripheral operation distribution board are constituted, the axle 19a of joystick 19 need be inserted socket 10, and be connected to power transmission shaft 18 as the driving shaft that constitutes circuit breaker mobile actuating device 5.
This socket 10 is closed by the baffle plate 11 as the jack switch device usually, and becoming can not connection status.
In order to make this baffle plate 11 opening actions, as Fig. 1, shown in Figure 3, the operative pin 33 that is based in baffle plate 11 is extracted out by diagram arrow L direction (left among the figure to).Thus, resistance makes baffle plate 11 extracting the direction slip out as making baffle plate 11 maintain the effect of the exciting bank such as the resetting spring 31 of closed condition at ordinary times, makes socket 10 openings by opening 46.
Then, clockwise direction is pivotally attached to the joystick 19 as external operation device of the power transmission shaft 18 of circuit breaker mobile actuating device 5, for example rotate 195 when spending, this actuating force passes to transmission case 12 and bar 13 (with reference to Fig. 4) from power transmission shaft 18, and inhour is rotated 195 degree as shown in Figure 2.Corresponding to this rotation, circuit breaker 1 moves to link position from open position.
As shown in Figure 2, the center of rotation 13P of bar 13 is between the actual open position side and link position side of circuit breaker 1.
Then, be configured to as the cylinder 14 of bar 13 with the fastening end of circuit breaker 1 fastening, the open position P1 that cylinder 14 is positioned at when linking circuit breaker 1 reality in the open position side, the center of rotation 13P of this bar 13, and on the straight line of the circuit breaker 1 reality link position P2 that cylinder 14 is positioned at when the link position side (P1-P2), the position that circuit breaker 1 cylinder 14 when the open position side is crossed above-mentioned straight line, the position of crossing 15 degree in this embodiment makes the open position P0 that conduct fastens the cylinder 14 of end, with the center of rotation 13P of bar 13 as the center, between the P2 of the P0 of open position side and link position side, draw semicircle ground semicircle and rotate (P0-P1-P2=15 degree+180 degree=195 are spent), alternately therebetween.
Like this, at least the fastening end of bar 13 (cylinder 14) is when being positioned at the open position side, cross the position P0 of above-mentioned straight line by setting, even without the normal operations that bar 13 is rotated promptly without external operation device-circuit breaker mobile actuating device by other operation as with manually circuit breaker 1 being inserted to link position from open position, circuit breaker 1 can not move.
And above-mentioned straight line is the line that promptly inserts/extract out direction towards the moving direction of circuit breaker 1.
In addition, among this embodiment, as shown in Figure 1, be provided with in the bottom 2 of breaker chamber door 26 sides, stop circuit breaker 1 outside distribution board, to fly out as stoping circuit breaker the flying out of device that fly out to prevent plate 25.
Then, in case joystick 19 is extracted out from socket 10, baffle plate 11 is promptly gone up right to figure and is moved by the automatic involution of resetting spring shown in the symbol 31 of Fig. 3, closes socket 10.
In addition, the draw out operation of this circuit breaker 1 promptly carries out to moving with said sequence of open position on the contrary from link position.
Then, illustrate that according to Fig. 5 to Fig. 7 the on off state that detects circuit breaker 1 is that circuit breaker is in the switch state detector 102 that connection (ON) (on-state) still disconnects (OFF) (off-state).Fig. 5 is the B-B side cross-sectional view that shows Fig. 1 of this device basic structure, and Fig. 6 is the C-C sectional view of Fig. 5, and Fig. 7 is the D-D sectional view of Fig. 5.
Switch state detector 102 1 ends fasten above-mentioned baffle plate 11 as the jack switch device, along with this baffle plate 11 moves to the release position, the on off state as the switch display part to contact breaker 1 shows that the direction of pin 103 promptly is moved upward and detects the on off state of circuit breaker 1, simultaneously, at circuit breaker 1 is under the on-state, the on off state that contact drops to the circuit breaker 1 of Fig. 6, position shown in Figure 7 shows pin 103, makes the structure that prevents that the top more than it from moving.
Fig. 5 shows that by the on off state of axle 20, connecting rod 21, linkage that framework 22 and bar 45 constituted and the framework 22 that is stated from this linkage pin 103 etc. constitutes to switch state detector 102 shown in Figure 7, along with baffle plate 11 moves (left among the figure to) to the release position, operative pin 33 fastens bars 45 and moves.
At first, during with direction of arrow opening action in figure of the operative pin 33 that manually makes baffle plate 11, with this opening action linkedly, the bar 45 that fastens with operative pin 33 1 ends be the rotation of rotation axis counter-clockwise direction with the axle 20 of the inner face side that is located at baffle plate 11, by the 20a wrist, drive link 21 is put forward pin 23 pressures through pressure and is carried framework 22.Thus, show pin 103 towards the on off state that moves up and down along with the switch motion of circuit breaker 1, framework 22 is pressed upward and is carried.
In addition, above-mentioned on off state shows pin 103 switch motions corresponding to circuit breaker 1, above being positioned under the off-state, under on-state as Fig. 6, shown in Figure 7 be positioned at the below, so, the contact operating mechanism that links circuit breaker 1, this contact operating mechanism restriction is motionless, keeps above-mentioned position.
Therefore, press upward and carry framework 22, can not press upward again from the position of contact-making switch state demonstration pin 103 and carry.As a result, framework 22 can not move to this above top, and axle 20, connecting rod 21, bar 45 these above rotations become can not.Therefore, this above moving of baffle plate 11 also become can not, still locking of socket 10.
In addition, if circuit breaker 1 is an off-state, on off state shows that pin 103 is positioned at such as Fig. 6, the position shown in Figure 7 position of top more, so framework 22 not contact-making switch state shows pin 103, the result can move baffle plate 11 to open state.
According to Figure 12 and Figure 13 the breaker chamber door latch apparatus is described below.
Figure 12 is the front elevation that shows breaker chamber door latch apparatus 7 and arc switch inhibiting apparatus 9, and Figure 13 is the side view of Figure 12.
When this breaker chamber door latch apparatus inserts link position at circuit breaker 1, by with the linkage of the rotation interlock of the power transmission shaft 18 of circuit breaker mobile actuating device 5, breaker chamber door 26 is latched in closed condition.
Among Figure 12 and Figure 13, in case rotate (clockwise direction) operation joystick 19 (Fig. 8 as external operation device to the direction of insertion of circuit breaker 1,9), rotation by power transmission shaft 18, through adorning in the connecting rod that leading section linked 38 of the wrist 18b of power transmission shaft 18, deadlock lever 37 is that middle mind-set clockwise direction shakes with pin 37a, and what the suspension accessory of deadlock lever 37 39 fastened breaker chamber doors 26 and segment inferior door 27 accepts accessory 40, and breaker chamber door 26 and segment inferior door 27 are latched in closed condition.
On the other hand, in case rotate (counter-clockwise direction) manipulation bar 19 (Fig. 8 to the extraction direction of circuit breaker 1,9), through connecting rod 38, deadlock lever 37 opposite directions (counterclockwise) are shaken pin 37a are rotated, what the suspension accessory 39 of deadlock lever 37 left breaker chamber door 26 and segment inferior door 27 accepts accessory 40, and the locking of breaker chamber door 26 and segment inferior door 27 is disengaged.
According to Figure 10, Figure 11 explanation makes the baffle plate 11 irremovable jack switch inhibiting apparatus (jack switch locking device) 6 as the jack switch device below.It also is the baffle plate lock release device of Fig. 1.Figure 10 explicit declaration (A) is the side cross-sectional view of closed condition corresponding to the side cross-sectional view of the breaker chamber door latch apparatus of breaker chamber door 26 on off states of distribution board, (B) is the side cross-sectional view of open mode.In addition, Figure 11 is the front elevation about the interlocking device of baffle plate 11 and breaker chamber door latch apparatus.
This jack switch inhibiting apparatus is configured to: when breaker chamber door 26 and segment inferior door 27 are opened, be in the state of closing socket 10 with baffle plate 11, forbid that promptly baffle plate 11 moves, when breaker chamber door 26 and segment inferior door 27 are closed, can the left side moving stop 11 in Figure 11 be opened by socket 10.Describe below.
The supporting frame 28 that jack switch inhibiting apparatus 6 assembling is sandwiched in breaker chamber 24 bottoms 2 with spiral is made in the interlocking framework 29 of substrate, this interlocking framework 29 shown in the arrow P of Figure 10 like that, contact the back side of this baffle plate 11 in the rear side of baffle plate 11, but be configured to reciprocating action in the horizontal direction, shown in Figure 10 (A) like that, when interlocking framework 29 is moved in the left side in the drawings, baffle plate 11 is removable, shown in Figure 10 (B) like that, when interlocking framework 29 was moved on the right side in the drawings, baffle plate 11 can not move.
The following describes the action of above-mentioned interlocking framework 29.
This interlocking framework 29 is by extension spring 30 excitation, and two leading section 29A of interlocking framework 29 and 29B are that the hole that the lappet of face side is offered flies out to the inside side of breaker chamber door 26 and segment inferior door 27 (below both merging being abbreviated as door) from the extension of the bottom 2 of breaker chamber 24 usually.
So when the door shown in Figure 10 (B) was opened, leading section 29A was outstanding respectively in the inside of segment inferior door 27 side at the inside of breaker chamber door 26 side, leading section 29B.
At this moment, because interlocking framework 29 debouches the back side of bottom 2 face side lappet and the gap 9 of the front face side of the supporting frame 28 of interlocking framework 29, so this moving that constitutes the baffle plate 11 in this gap 9 movably is under an embargo.
In addition, Figure 11 shows position, the side of the framework 29 of promptly interlocking and the left end state of contact of baffle plate 11 to moving on the left of movably baffle plate 11 is forbidden in figure in arrow Q direction.And interlocking framework 29 is arranged in the drawings that the thickness direction of paper moves.
On the other hand, shown in Figure 10 (A), when at least one side of breaker chamber door 26 and segment inferior door 27 closes, two the leading section 29A and the 29B of interlocking framework 29 are pressed to door, interlocking framework 29 is pressed into the depths of distribution board, retreats from described gap, so, the interference of interlocking framework 29 and baffle plate 11 has not had, and baffle plate 11 becomes and can move by the left-hand in Figure 11.
Then among key diagram 1, Fig. 3 as the baffle plate of jack switch device.
The back side of the lappet of baffle plate 11 face side of 2 in the bottom, the back side that is 2 the lappet along the bottom can be movably walking and the tabular parts that constitute at left and right directions, at ordinary times, encourage to the right by resetting spring 31 (Fig. 3), according to diagram like that, be configured to keep and clog socket 10 positions (calling locked position of coupler in the following text).The state of right-hand member is kept above-mentioned blocking among the figure of the groove 32 that 2 lappet is offered bottom operative pin 33 contacts of being located at baffle plate 11.
Under this blocking, move owing to be configured to the position of the socket 10 that operation window 46 that baffle plate 11 offered and bottom 2 face side offer, so the peristome of operation window 46 and socket 10 is misfitted, therefore, the axle as the joystick 19 of external operation device can not be inserted into socket 10.
Above-mentioned baffle plate 11 is equipped with four pins altogether.One of them is the aforesaid operations pin 33 that is used to slide, and is provided with in addition: two anchors that move horizontally 34 that are used to support baffle plate 11; Be used to interlock the interlocking of baffle plate 36 (following abbreviation ES baffle plate) of arc switch with pin 35, arc switch baffle plate 36 is used for the ES socket 51 of switch as receiving port, receiving port is used to insert arc switching manipulation bar (following abbreviation ES joystick), and arc switching manipulation bar is used to operate the arc switch of following circuit breaker 1.This arc switch is to finish ground connection so that main circuit becomes the switch (Figure 14) of earthing potential.
According to Fig. 1, Fig. 3, Figure 12 to Figure 15 arc switch and arc switch inhibiting apparatus are described below.Figure 13, Figure 14 are the side views about the ES baffle plate of switch/inlet 51, and Figure 15 is its front elevation, and socket 51 is used to insert ES joystick 50, and ES joystick 50 is used for switching manipulation arc switch.In addition, the symbol 42 among Figure 14 is the switch levers with socket of admitting the ES joystick, and the symbol 36 among Figure 15 is ES baffle plates.
This arc switch inhibiting apparatus is forbidden and operation to the arc switch of the mobile interlock of the release position that above-mentioned baffle plate 11 is the jack switch device, simultaneously, forbid the operation that causes with above-mentioned breaker chamber door latch apparatus to the arc switch of the action interlock of breaker chamber door closure state.
Among Fig. 1, Fig. 3, when operative pin 33 moved to baffle plate 11 in left side among the figure, socket 10 and operation window 46 were coincide, and the axle of joystick 19 becomes and can insert.
Meanwhile, by moving of baffle plate 11, the interlocking of interlocking also slides to the state that the left side tends to close ES baffle plate 36 with pin 35, and ES baffle plate 36 is latched to closed condition from open mode.
Among Figure 12, Figure 13, the power transmission shaft 18 of circuit breaker mobile actuating device 5 and deadlock lever 37 are through connecting rod 38 and interlock.With the two ends of the pivotally connected deadlock lever 37 of the pin 37a of length direction central authorities in, spiral clips and hangs accessory 39 respectively, to breaker chamber door 26 sides be breaker chamber door 26 and segment inferior door 27 set separately accept accessory 40, be configured to hang corresponding to shaking freely of deadlock lever 37 with loading and unloading.Symbol 41 among the figure is arc switch interlocking accessories,, under the blocking of breaker chamber door 26 and segment inferior door 27, is pushed the upper end of ES baffle plate 36 downwards and remains on closed condition on deadlock lever 37 by screw clamp.
In said structure, baffle plate 11 involutions are when blocking is the right side, and interlocking becomes invalid with pin 35, replace, and the arc switch accessory 41 of interlocking is kept the state that ES baffle plate 36 is remained on blocking.
Among Figure 14, Figure 15, the symbol 42 among Figure 14 is the switch levers (calling the ES bar in the following text) with ES socket 51, and ES socket 51 is admitted ES joystick 50, and the symbol 36 among Figure 15 is ES baffle plates.
Among Figure 14, ES joystick 42 is a cylindrical body, can shake with pivotally connected being configured to of the pin 42a of its length direction central authorities.This ES bar 42 one distolateral, opening is as the ES socket 51 of the receiving port of the axle of admitting ES joystick 50, and the other end is incorporated into ES body 101 through connecting rod 104.
As shown in Figure 15, operation ES bar 42 is in case switch 101 is connected (being illustrated as " ES connections "), (solid line position of Figure 14) switch 101 cut-outs (being illustrated as " ES cut-out ") when being positioned at the below when this ES socket 51 is positioned at the top (dotted line of Figure 14) of figure.
Among Figure 12, the joystick 19 that is used as external operation device clockwise rotates power transmission shaft 18, promptly rotate 195 when spending, clockwise rotate 40 degree, breaker chamber door 26 and segment inferior door 27 are latched to closed condition through the deadlock lever 37 of connecting rod 38 breaker chamber door latch apparatus 7 to the direction of insertion of circuit breaker 1.
At this moment, circuit breaker 1 moves to link position from off position by circuit breaker mobile actuating device 5, and breaker chamber door 26 and segment inferior door 27 can not be opened.
On the one hand, arc switch interlocking accessory 41 actions of formation arc switch inhibiting apparatus 9 are latched to closed condition with ES baffle plate 36.Be that ES baffle plate 36 is positioned at the state shown in the symbol 36b of Figure 15, clog ES socket 51.In this example, ES socket 51 is when the regulation link position that ES connects or ES cuts off, owing to be configured to clog two side ES patchholes 100 of the tabular connecting portion parts that are provided with these two holes (ES patchhole 100) of passing through ES socket 51, so, the axle of ES joystick 50 can not be inserted into the ES socket 51 of ES switch lever 42.
On the other hand, circuit breaker 1 can not be inserted into link position from off position in the arc switch input.Reason is, as shown in Figure 14, is located at the open position involution that the projection 43 of ES switch lever 42 front ends stops to ES baffle plate 36 and since interlocking with pin 35 to the left direction move, so, can not open baffle plate 11 as the jack switch device.
According to a first aspect of the present invention, because the bar that will insert circuit breaker/extract out is configured in the downside of circuit breaker, so, can constitute whole device compactly.
According to a second aspect of the present invention, because the link position at circuit breaker makes the direction of bar consistent with direction of insertion, so, when circuit breaker is subjected to the power that flies out previously, the power that flies out that is hung on bar sends the rotation axis of bar at this dead-centre position, so, do not act on bar as locomotivity, therefore, circuit breaker can not fly out.
In addition, because the set positions of the bar in the circuit breaker open position is being rotated the position that further rotate 180 degree backs from link position, so, can prevent that stopping bar rotates to direction of insertion, promptly using hand that circuit breaker is pressed to link position can not be pressed into.
According to a third aspect of the present invention, because switch disconnector chamber door just can not operated, so, can increase work efficiency.
According to a fourth aspect of the present invention, can provide to be provided with the accurately circuit breaker insertion/withdrawing device of operating breaker and arc switch and breaker chamber door interlocking device each other.
According to a fifth aspect of the present invention, can provide the circuit breaker insertion/withdrawing device that is provided with when the breaker chamber door is not closed at least mechanism that can not opening action jack switch device.
According to the 6th, the 7th aspect of the present invention, on the above effect aspect first to the 5th, increase and touch insertion/draw out operation that (one touch) carries out circuit breaker with individual palpation by operating lever operation.
And the turned position by joystick is confirmed the open position and the link position of circuit breaker before the distribution board easily.Therefore, can not cross the regulation turned position of open position and link position and unreasonable rotating operation, when improving operability, reduce the wearing and tearing of device.
According to a seventh aspect of the present invention, can accurately confirm the operational ton of external operation device with simple structure.

Claims (9)

1. a circuit breaker insertion/withdrawing device is used for circuit-breaker, and circuit-breaker comprises the bottom (2) that is located at breaker chamber (24), moves freely the circuit breaker (1) in open position and link position in breaker chamber, it is characterized in that,
Be provided with the circuit breaker mobile actuating device (5) that circuit breaker (1) is moved at open position and link position,
Described circuit breaker mobile actuating device (5) comprising:
The driving shaft of operating by the external operation device outside above-mentioned breaker chamber (19) (18);
Be connected between above-mentioned driving shaft and the above-mentioned circuit breaker (1) bar (13) that above-mentioned circuit breaker (1) is moved at open position and link position; Be connected between above-mentioned driving shaft (18) and the above-mentioned circuit breaker (1), the rotation motion of above-mentioned driving shaft is changed to the above-mentioned open position of above-mentioned circuit breaker and the straight-line mobile movement converter between the above-mentioned link position.
2. circuit breaker insertion/withdrawing device as claimed in claim 1, it is characterized in that, bar (13) can rotate between corresponding to the open position of the disconnection of above-mentioned circuit breaker and the link position corresponding to the connection of above-mentioned circuit breaker, and open position and link position are in radially relative position about the center of rotation of above-mentioned bar (13).
3. circuit breaker insertion/withdrawing device as claimed in claim 2, it is characterized in that, bar (13) can move to open position from link position, and can leave and arrive backward position after described open position moves preset distance, so just make described circuit breaker (1) can not turn back to link position owing to the pressing force that burst applies.
4. circuit breaker insertion/withdrawing device as claimed in claim 2 is characterized in that, bar (13) slide to fasten with the guiding device (15) of being located at circuit-breaker, draw fastening with rod guidance.
5. circuit breaker insertion/withdrawing device as claimed in claim 1, it is characterized in that, above-mentioned breaker chamber has the breaker chamber door (26 of the circuit breaker of coming in and going out, 27), the above-mentioned driving shaft (18) of above-mentioned circuit breaker mobile actuating device (5), the occasion of closing at above-mentioned breaker chamber door (26,27) is by external operation device (19) connection operation.
6. circuit breaker insertion/withdrawing device as claimed in claim 5, it is characterized in that, above-mentioned circuit breaker mobile actuating device (5) is provided with and allows or stop the insertion of the external operation device (19) of above-mentioned driving shaft (18) and the baffle plate (11) of connection, is provided with the jack switch inhibiting apparatus (6) of forbidding the opening action of above-mentioned baffle plate (11) during for open mode at above-mentioned breaker chamber door.
7. circuit breaker insertion/withdrawing device as claimed in claim 6, it is characterized in that, be provided with switch state detector (102), one end is fastened on above-mentioned baffle plate (11), along with the move on off state that to switch display part (103) direction of contact breaker move and detect circuit breaker of above-mentioned baffle plate (11) to the release position, be the switch display part (103) of the above-mentioned circuit breaker of contact under the closed condition and stop above-mentioned baffle plate (11) to move at circuit breaker to the release position.
8. circuit breaker insertion/withdrawing device as claimed in claim 5 is characterized in that, is provided with breaker chamber door latch apparatus (7), when being in link position described breaker chamber door (26,27) is latched to closed condition at circuit breaker (1).
9. circuit breaker insertion/withdrawing device as claimed in claim 8, it is characterized in that, be provided with arc switch inhibiting apparatus (9), interlock is forbidden the operation of arc switch (101) in above-mentioned baffle plate (11) to moving of release position, simultaneously, the above-mentioned breaker chamber door (26,27) that interlock causes in above-mentioned breaker chamber door latch apparatus (7) is to the action of closed condition and forbid the operation of above-mentioned arc switch (101).
CN 01122056 2001-05-09 2001-05-09 Breaker inserting/withdrawing device Expired - Fee Related CN1223063C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01122056 CN1223063C (en) 2001-05-09 2001-05-09 Breaker inserting/withdrawing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01122056 CN1223063C (en) 2001-05-09 2001-05-09 Breaker inserting/withdrawing device

Publications (2)

Publication Number Publication Date
CN1384571A CN1384571A (en) 2002-12-11
CN1223063C true CN1223063C (en) 2005-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01122056 Expired - Fee Related CN1223063C (en) 2001-05-09 2001-05-09 Breaker inserting/withdrawing device

Country Status (1)

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CN (1) CN1223063C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014010110A1 (en) * 2012-07-13 2014-01-16 三菱電機株式会社 Switch gear
CN104037637B (en) * 2014-05-09 2016-02-24 四川省科学城久信科技有限公司 Drawer type capacitor compensation cabinet

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CN1384571A (en) 2002-12-11

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