CN208352185U - A kind of three station of Direct Action Type isolation operating mechanism using special-shaped axis positioning - Google Patents
A kind of three station of Direct Action Type isolation operating mechanism using special-shaped axis positioning Download PDFInfo
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- CN208352185U CN208352185U CN201821121928.5U CN201821121928U CN208352185U CN 208352185 U CN208352185 U CN 208352185U CN 201821121928 U CN201821121928 U CN 201821121928U CN 208352185 U CN208352185 U CN 208352185U
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Abstract
A kind of three station of Direct Action Type isolation operating mechanism using special-shaped axis positioning, including fixed plate and can opposing fixed plate rotation turntable, turntable realizes isolator operation state independent of each other, operation shield state, earthing switch mode of operation when rotating, the turntable back side is fixedly connected with special-shaped axis, the first and second fin is arranged in axial order on special-shaped axis, and first and second is spaced guide pad installation space, the first fin and the second fin between fin and is radially separated by 41 degree of angles settings in special-shaped axis；The back side installation gear drive and lead screw transmission mechanism of fixed plate make moving contact, isolation static contact, grounding static contact realize linear motion, guide pad is set on the special-shaped axis, guide pad realizes that the state for being isolated or being grounded operation locks with the cooperation of the first and second fin, when carrying out isolated operation, ensure that moving contact acts between isolation static contact and moving contact, when carrying out ground connection operation, it is ensured that moving contact acts between grounding static contact and moving contact.
Description
Technical field
The utility model relates to direct-acting three-working-position isolation, especially a kind of Direct Action Type three positioned using special-shaped axis
Operating mechanism is isolated in station.
Background technique
The operating mechanism main function of direct-acting three-working-position isolation is that the rotary motion of driving motor is passed through a system
Biographies dynamic component is transmitted in the rotary shaft of tri-station isolating switch.Currently, the three station Direct Action Types largely used in the market every
All there are following two kinds of defects from operating mechanism:
1, it is operated using disc spring, it is fixed as the position of three stations according to the deflection of disc spring and rotational angle
Position, since there are errors for the power of disc spring itself, while manufacturing cost is higher, and from reliability and economically considering cannot be by
It is widely used；
2, it is moved spring finger setting mode using pulling out strip, but drive rod radial shear power can be such that spring catch deformation, failure makes
At the operation failure of switch, or even cause safety accident.
Utility model content
Technical problem to be solved in the utility model is, in view of the shortcomings of the prior art, it is fixed to provide a kind of use special-shaped axis
Operating mechanism is isolated in three station of Direct Action Type of position, can be instructed according to panel operation the operation of disk smoothly, it is reliable, automatically to straight
The isolation of dynamic formula close a floodgate/be isolated separating brake/ground connection three-station carries out reasonable operation.
In order to solve the above technical problems, the technical scheme adopted by the utility model is: it is a kind of using special-shaped axis positioning
Operating mechanism is isolated in three station of Direct Action Type, including fixed plate, the turntable being set in fixed plate and constitutes switch major loop conduction
System and in the isolation static contact, moving contact, the grounding static contact that are sequentially arranged on same straight line, the fixed plate is equipped with first
Isolated operation hole, the first ground connection handle hole and turntable connecting hole are equipped between the first isolated operation hole and the first ground connection handle hole
On same camber line and the clearance hole of sequence setting, dislocation hole and ground hole；The front setting of the turntable can be inserted selectively
Enter clearance hole, dislocation hole or ground hole to realize the selective positioning bar of turntable positioning, the back side of the turntable is fixedly connected with abnormity
Axis, and special-shaped axis passes through the turntable connecting hole of the fixed plate and is supported in fixed plate, is additionally provided on the turntable and the
The second isolated operation hole that one isolated operation hole matches, and the second ground connection to match with the first ground connection handle hole operate
Hole, when selecting locating rod insertion clearance hole, the second isolated operation hole and the first isolated operation hole are concentrically formed disconnecting switch behaviour
Make state, when selecting locating rod insertion dislocation hole, behaviour is isolated with second respectively in the first isolated operation hole, the first ground connection handle hole
Make hole, second ground connection handle hole mutually stagger, formation operation masked state, when select locating rod insertion ground hole when, second connects
Ground handle hole and the first ground connection handle hole are concentrically formed earthing switch mode of operation；The axis upstream sequence setting the of the special-shaped axis
One fin and the second fin, and it is separated by a guide pad installation space, the first fin and second between the first fin and the second fin
Fin is radially arranged in a staggered manner special-shaped axis；The back side in first isolated operation hole is installed by the first operating shaft, the first operation
First gear is fixedly mounted in the tail portion of axis, and the second operating shaft is installed at the back side of the first ground connection handle hole, the second operating shaft
Second gear, the intermeshing of the first and second gear is fixedly mounted in tail portion, and the first and second gear is all meshed with third gear, described
The back side of first and second gear is fixedly connected with main transmission screw rod；The front of the third gear is fixedly connected with guiding screw rod, guide wire
Guide pad is installed through being threadedly coupled on bar, and guide pad clearance fit is mounted on the guide pad installation space of the special-shaped axis,
The top of the guide pad is equipped with the guide groove to match with the first and second fin radial section of the special-shaped axis, when first convex
When rib or the second fin are aligned with guide groove, under the drive of guiding screw rod, guide pad is mobile relative to special-shaped axis；The moving contact
It is threadably mounted at the middle part of the main transmission screw rod, the both ends of main transmission screw rod wear the isolation static contact and described respectively
Grounding static contact, under the drive of main transmission screw rod, moving contact is mobile relative to main transmission screw rod, make moving contact with static contact is isolated
Or grounding static contact combines.
First isolated operation hole and first ground connection handle hole between be equipped with curve arc groove, the one of the curve arc groove
End is equipped with the clearance hole, and the other end is equipped with the ground hole, and centre is equipped with the dislocation hole.
The selective positioning bar includes the connector being fixedly connected with turntable, and is fixed in connector and headed is determined
Position pin, connects between the positioning pin and the connector through spring.
The sum of the length of first fin and thickness of guide pad are equal to moving contact and combined floodgate stroke length are isolated, and second is convex
The sum of the length of rib and the thickness of guide pad are equal to moving contact contact of earth stroke length.
The moving contact, isolation static contact, grounding static contact are sealed in the pole of epoxy resin.
The screw pitch of the main transmission screw rod is 10mm, and the fracture of the disconnecting switch is opened away from for 155mm, the earthing switch
Fracture open away from for 135mm, when the disconnecting switch and earthing switch close a floodgate, the overtravel of the moving contact insertion is 10mm.
In order to solve the above technical problems, the utility model additionally provides a kind of above-mentioned Direct Action Type three positioned using special-shaped axis
The control method of station isolation operating mechanism comprising:
When in the dislocation hole for selecting locating rod insertion fixed plate, turntable and its special-shaped axis being fixedly connected are automatically positioned
And it is automatically locked at operation shield state, and turntable blocks the first isolated operation hole in fixed plate, the first ground connection handle hole, makes
Operation handle cannot be inserted into；
When turntable rotates counterclockwise, and when the clearance hole of selective positioning bar insertion fixed plate, turntable and its it is fixedly connected
Special-shaped axis is automatically positioned and is automatically locked at isolator operation state, and the second isolated operation hole and fixed plate on turntable
On the first isolated operation hole it is concentric, i.e., the first isolated operation hole is opened, first ground connection operation bore closure, meanwhile, special-shaped axis
On the first fin be aligned with the guide groove on guide pad top, the dislocation of the guide groove of the second fin and guide pad makes guide pad only
It can be moved forward along the first fin；When insertion operation handle and isolated operation axis is rotated, first gear drives the rotation of main transmission screw rod
Turn, move forward moving contact, realize the closing operation of disconnecting switch, at the same time, third gear and is fixed with third gear
Connected guiding screw rod synchronous rotary movement, moves forward guide pad along the first fin, i.e., the first fin of special-shaped axis with lead
It is locked to block, not can be carried out the gear-change operation of selective positioning bar, until disconnecting switch in-place closing；When operation handle opposite direction is grasped
Make, makes disconnecting switch separating brake in place；
When turntable rotates clockwise, and when the dislocation hole of selective positioning bar insertion fixed plate, turntable and its it is fixedly connected
Special-shaped axis is automatically positioned and is automatically locked at earthing switch mode of operation, and the second ground connection handle hole and fixed plate on turntable
On first ground connection handle hole it is concentric, i.e., first ground connection handle hole open, the first isolated operation bore closure, meanwhile, on special-shaped axis
The second fin be aligned with the guide groove on guide pad top, the dislocation of the guide groove of the first fin and guide pad makes guide pad can only
It is moved backward along the second fin；When insertion operation handle and ground connection operating shaft is rotated, second gear drives the rotation of main transmission screw rod,
Moving contact is moved backward, the closing operation of switch is grounded, at the same time, third gear and is fixedly linked with third gear
Guiding screw rod synchronous rotary movement, move backward guide pad along the second fin, i.e., ground connection stroke overall process, special-shaped axis
The second fin and guide pad lock, not can be carried out the gear-change operation of selective positioning bar, until earthing switch in-place closing；Work as behaviour
Make handle reverse operation, makes grounding switch tripping in place.
Fixed plate is set to show isolator operation shape independent of each other when the turntable rotation of the utility model operating mechanism
State, operation shield state, earthing switch mode of operation, the back side installation gear drive and lead screw transmission mechanism of fixed plate make
Moving contact, isolation static contact, grounding static contact realize linear motion, while being fixedly connected with special-shaped axis, special-shaped axis at the turntable back side
The first and second fin of upper setting, and the first and second fin interval is arranged, and guide pad is arranged between the first and second fin, first is convex
Rib and the second fin are radially separated by 41 degree of angles in special-shaped axis and are arranged, by the guide groove and the first and second fin on guide pad
The state locking of isolation or ground connection operation is realized in cooperation, when carrying out isolator operation, it is ensured that moving contact is in isolation static contact
It is acted between moving contact, the division operation of isolation is realized, when carrying out earthing switch operation, it is ensured that moving contact is in ground connection stationary contact
It is acted between head and moving contact, is grounded the division operation of switch.
Compared with prior art, the utility model has the beneficial effect that
1) the position selection of the selective positioning bar on turntable forms unique fortune with the dynamic and static contact on main transmission screw rod
Flowing mode；
2) position that cannot change the selective positioning bar on turntable before or after the operation in place of the first and second operating shaft is selected
It selects, rotary turnplate after operation in place, so that it may realize automatic spacing；
3) the locking distance of special-shaped axis and the clearance between open contacts in pole, overtravel error are within 1mm；
4) manufacturing cost is low, easy to operate, securely and reliably.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the turntable structure schematic diagram with special-shaped axis.
Fig. 3 is special-shaped axis and the connection structure diagram for being oriented to screw rod.
Fig. 4 is guide block structure figure.
Fig. 5 is fixed plate structure figure.
Specific embodiment
As Figure 1-Figure 5, operating mechanism is isolated in a kind of three station of Direct Action Type using special-shaped axis positioning of the utility model
Including fixed plate 1 and turntable 2.Fixed plate 1 is equipped with the first isolated operation hole 15, first ground connection handle hole 16 and turntable connecting hole
18, it is equipped with curve arc groove 17 between the first isolated operation hole 15 and the first ground connection handle hole 16, the one of the curve arc groove 17
End is equipped with clearance hole 171, and the other end is equipped with ground hole 173, and centre is equipped with dislocation hole 172.The front setting of turntable 2 can selectivity
It is inserted into 17 different location of curve arc groove and realizes the selective positioning bar 3 that turntable 2 positions, the back side of turntable 2 is fixedly connected with special-shaped axis
14, and special-shaped axis 14 passes through the turntable connecting hole 18 of fixed plate 1 and is supported in fixed plate 1.In the present embodiment, selective positioning bar
3 include the connector 31 being fixedly connected with turntable 2, and the positioning pin 33 for the headed 32 being fixed in connector 31, positioning pin
It is connected between 33 and connector 31 through spring, when transfering to selective positioning bar 3 outward through head 32, spring is compressed, positioning pin
33 retrogressings enable the end of positioning pin 33 to move along curve arc groove 17 and selectively insert the clearance hole on curve arc groove 17
171, ground hole 173, dislocation hole 172.The second isolated operation to match with the first isolated operation hole 15 is additionally provided on turntable 2
Hole 19, and the second ground connection handle hole 20 to match with the first ground connection handle hole 16, when selection locating rod 3 is inserted into clearance hole
When 171, the second isolated operation hole 19 and the first isolated operation hole 15 are concentric, are in isolator operation state；Work as selective positioning
When the insertion dislocation hole 172 of bar 3, the first isolated operation hole 15, first be grounded handle hole 16 respectively with the second isolated operation hole 19, the
Two ground connection handle holes 20 mutually stagger, and are in operation shield state；When selecting locating rod 3 to be inserted into ground hole 173, the second ground connection
Handle hole 20 and the first ground connection handle hole 16 are concentric, are in earthing switch mode of operation.First fin A is set on the special-shaped axis 14
With the second fin B, and it is separated by a guide pad installation space between the first fin A and the second fin B in the axial direction of special-shaped axis 14
L is radially separated by 41 degree of angle settings in special-shaped axis 14.The back side installation first in the first isolated operation hole 15 of fixed plate 1
First gear 11 is fixedly mounted in the tail portion of operating shaft 12, the first operating shaft 12；The back side of first ground connection handle hole 16 of fixed plate 1
Second operating shaft 5 is installed, second gear 11 ' is fixedly mounted in the tail portion of the second operating shaft 5, and the first and second gear 11,11 ' is meshed,
And first and second gear 11,11 ' be all meshed with third gear 6.Guiding screw rod 4, the back side is fixedly mounted in the front of third gear 6
Main transmission screw rod 10 is fixedly mounted.It is oriented on screw rod 4 to be threadedly coupled and guide pad 13 is fixedly mounted, and 13 clearance fit of guide pad
It is mounted on the guide pad installation space L of special-shaped axis 14, in this way, guide pad 13 can be driven to move by guiding screw rod 4.Guiding
The top of block 13 is equipped with the guide groove 131 to match with the radial section of first and second fin A, B, when the first fin A or second is convex
When rib B is aligned with guide groove 131, under the drive of guiding screw rod 4, guide pad 13 can be mobile relative to special-shaped axis 14.First fin A
The sum of length and the thickness of guide pad 13 be equal to moving contact combined floodgate stroke length, the length and guide pad of the second fin B be isolated
The sum of 13 thickness is equal to moving contact contact of earth stroke length.Moving contact 8 through being threadably mounted at the middle part of main transmission screw rod 10,
Main transmission screw rod 10 wears isolation static contact 7 and grounding static contact 9, and the front end that static contact 7 is located at moving contact 8 is isolated, ground connection
Static contact 9 is located at the rear end of moving contact 8.Moving contact 8, isolation static contact 7, grounding static contact 9 are sealed in the pole of epoxy resin
In column, the major loop conducting system of power switch is constituted, is connected by main transmission screw rod 10 with operating mechanism.
Isolation/contact of earth switch in existing solid insulation switch cabinet is all made of three station direct dynamic structures, has body
The feature that product is small, electroanalysis is uniform.Moving contact 8, isolation static contact 7, grounding static contact 9 and main transmission screw rod 10 in Fig. 1 are
The phase structure schematic diagram of tri-station isolating switch, wherein isolation closing operation is realized in the insertion isolation static contact 7 of moving contact 8,
Moving contact 8 is inserted into grounding static contact 9 and is grounded closing operation, and the screw pitch of main transmission screw rod 10 is generally 10mm, keeps apart
The fracture of pass is opened away from for 155mm, and overtravel (moving contact insertion) is 10mm, and the fracture of earthing switch is opened away from for 135mm, is out of the line
Journey is 10mm, and by State Grid's system standard requirement, to meet safety requirements, disconnecting switch must separate behaviour with earthing switch
Make, that is, be necessary for two handle holes, the application presses national standard, is grounded handle hole 16 using the first isolated operation hole 15, second
Carry out diplopore operation.In Fig. 5 dislocation hole 172 purposes are as follows: when select locating rod 3 disconnecting switch close a floodgate after, go to centre
Dislocation hole lock isolation, can operation power switch divide-shut brake；In selecting locating rod 3 after earthing switch closes a floodgate, going to
Between dislocation hole lock ground connection, can turn on the switch cabinet door maintenance；In the non-separating brake of power switch or the not intact pass of door of switch cabinet
When closing, mechanical interlocking can lock turntable 2 automatically, cannot operate and (be in the handle hole misaligned state of turntable 2 and fixed plate 1)；
Only when guide pad 13 is in the interposition of special-shaped axis 14, selective positioning bar 3 could select behaviour since centre misplaces hole 172
Make position, can counterclockwise turning operation disconnecting switch, can also clockwise turning operation earthing switch.
When extraction selective positioning bar 3 and it is turned to dislocation hole 172(such as Fig. 5 institute of the curve arc groove 17 of fixed plate 1
Show) when, after unclamping selective positioning bar 3, the effect of positioning pin 33 in selective positioning bar 3 spring force inside it is popped up and is inserted into
In the intermediate dislocation hole 172 of the curve arc groove of fixed plate 1, due to turntable 2 be fixedly connected with selective positioning bar 3 integrally, because
And be automatically positioned together with turntable 2 and its special-shaped axis being fixedly connected 14 and lock automatically, turntable 2 blocks in fixed plate 1 at this time
The first isolated operation hole 15, first be grounded handle hole 16, it is at this time operation shield state that operation handle, which cannot be inserted into,.
When selecting locating rod 3 to be located at intermediate dislocation hole 172, and guide pad 13 is in the first and second fin of special-shaped axis 14
A, it when between B, extracts selective positioning bar 3 and rotates counterclockwise 41 degree and unclamp selective positioning bar 3, the positioning of selective positioning bar 3
When the left side clearance hole 171 for the curve arc groove 17 that pin 33 popped up and be inserted into fixed plate 1 under the action of spring force inside it, even
It is automatically positioned with turntable 2 and its special-shaped axis being fixedly connected 14 and locks automatically, at this time the second isolated operation hole on turntable 2
19 is concentric with the first isolated operation hole 15 in fixed plate 1, thus the first isolated operation hole 15 is opened, first ground connection on right side
Handle hole 16 is closed.Since turntable 2 is fixedly connected with special-shaped axis 14, thus special-shaped axis 14 also has rotated 41 degree with turntable 2, at this time
The first fin A on special-shaped axis 14 is aligned with the guide groove 131 on 13 top of guide pad, and the second fin B then with guide pad 13
Guide groove 131 misplaces, and guide pad 13 can only move forward in direction as shown in Figure 1.Insertion operation handle simultaneously rotates isolated operation axis
12, the first gear 11 of connection drives main transmission screw rod 10 and moves forward with its moving contact 8 through being threadedly coupled, realize every
The closing operation of pass is left, at the same time, the third gear 6 that is connected with the first and second gear 11,11 ' and its solid with third gear 6
Surely connected 4 synchronization action of guiding screw rod, guiding screw rod 4 drive guide pad 13 to move forward, and after guide pad 13 starts,
First fin A enters in guide pad 13, and through the overall process of isolation stroke, because of the first fin A and guide pad of special-shaped axis 14
13 lockings, therefore period not can be carried out the gear-change operation of selective positioning bar 3, until disconnecting switch in-place closing.Due to the first fin A
It is equal to moving contact with the sum of the thickness of guide pad 13 and combined floodgate stroke be isolated, thus when disconnecting switch in-place closing after, make to select calmly
Position bar 3 returns in dislocation hole 172, so that it may realize isolated operation locking limit, it at this time can operation power switch divide-shut brake.When
When one isolated operation hole 15 is opened, the rotation of operation handle opposite direction can make disconnecting switch separating brake in place.
When selecting locating rod 3 to be located at intermediate sub-gate position 172, and guide pad 13 is in the first and second fin of special-shaped axis 14
A, it when between B, extracts selective positioning bar 3 and rotates clockwise 41 degree of releases, the positioning pin 33 in selective positioning bar 3 is in it
When the effect of portion's spring force pops up and is inserted into the right side ground position of 1 curve arc groove of fixed plate, together with turntable 2 and its it is fixedly connected
Special-shaped axis 14 be automatically positioned and lock automatically, as shown in Figure 1-Figure 3, at this time on turntable 2 second ground connection handle hole 20 with
In fixed plate 1 first ground connection handle hole 16 with one heart, i.e., at this time right side first ground connection handle hole 16 open, left side first every
It is closed from handle hole 15, since turntable 2 is fixedly connected with special-shaped axis 14, when turntable rotates clockwise 41 degree, special-shaped axis is also same
41 degree of step rotation, the second fin B on special-shaped axis is aligned with the guide groove 131 on 13 top of guide pad at this time, and the first fin A is then
It misplaces with the guide groove 131 of guide pad 13, as shown in figure 3, guide pad 13 can only move backward in direction as shown in Figure 1.Insertion behaviour
Make handle and rotate ground connection operating shaft 5, the second gear 11 ' that ground connection operating shaft 5 connects drives main transmission screw rod 10 and passes through with it
The moving contact 8 of threaded connection moves backward, and is grounded the closing operation of closing switch, at the same time, with 11 ' phase of second gear
Third gear 6 even and its 4 synchronization action of guiding screw rod being fixedly linked, guiding screw rod 4 drive guide pad 13 to move backward, and
And after guide pad 13 starts, the second fin B enters in the guide groove 131 of guide pad 13, and runs through the overall process of ground connection stroke,
Because the second fin B and guide pad 13 of special-shaped axis 14 are locked, therefore period not can be carried out the gear-change operation of selective positioning bar 3, until
Contact of earth switchs in-place closing.Since the sum of thickness of the second fin B and guide pad 13 is equal to moving contact contact of earth stroke,
Thus after earthing switch in-place closing, return to selective positioning bar 3 in dislocation hole 172, so that it may be grounded operation locking limit
Position, can open the door maintenance at this time.When first ground connection handle hole 16 is opened, operation handle reverse operation can make earthing switch point
Lock is in place.
Claims (6)
1. operating mechanism is isolated in a kind of three station of Direct Action Type using special-shaped axis positioning, including fixed plate (1), is set to fixed plate
On turntable (2) and constitute power switch major loop conducting system and in the isolation static contact (7) being sequentially arranged on same straight line,
Moving contact (8), grounding static contact (9), which is characterized in that the fixed plate connects equipped with the first isolated operation hole (15), first
Ground handle hole (16) and turntable connecting hole (18) are equipped between the first isolated operation hole and the first ground connection handle hole and are in same arc
On line and the clearance hole (171) of sequence setting, dislocation hole (172) and ground hole (173)；The front setting of the turntable can select
Property insertion clearance hole, dislocation hole or ground hole to realize selective positioning bar (3) that turntable positions, the back side of the turntable is fixed to be connected
It connects special-shaped axis (14), and special-shaped axis passes through the turntable connecting hole of the fixed plate and is supported in fixed plate, sets on the turntable
It is equipped with the second isolated operation hole (19) to match with the first isolated operation hole, and the to match with the first ground connection handle hole
Two ground connection handle hole (20), when selecting locating rod insertion clearance hole, the second isolated operation hole and the first isolated operation hole are concentric
Isolator operation state is formed, when selecting locating rod insertion dislocation hole, the first isolated operation hole, the first ground connection handle hole point
It is not mutually staggered with the second isolated operation hole, the second ground connection handle hole, formation operation masked state, when selection locating rod insertion connects
When ground hole, the second ground connection handle hole and the first ground connection handle hole are concentrically formed earthing switch mode of operation；The axis of the special-shaped axis
The first fin (A) and the second fin (B) is arranged in upstream sequence, and is separated by guide pad installation between the first fin and the second fin
Space (L), the first fin being radially arranged in a staggered manner in special-shaped axis with the second fin；Pacify at the back side in first isolated operation hole
It fills the first operating shaft (12), first gear (11) are fixedly mounted in the tail portion of the first operating shaft, the back of the first ground connection handle hole
The second operating shaft (5) are installed in face, and second gear (11 ') are fixedly mounted in the tail portion of the second operating shaft, and the first and second gear is mutually nibbled
It closes, and the first and second gear is all meshed with third gear (6), the back side of first and second gear is fixedly connected with main transmission screw rod
(10)；The front of the third gear is fixedly connected with guiding screw rod (4), is oriented on screw rod and installs guide pad through being threadedly coupled
(13), and guide pad clearance fit is mounted on the guide pad installation space of the special-shaped axis, and the top of the guide pad is equipped with
The guide groove (131) to match with the first and second fin radial section of the special-shaped axis, when the first fin or the second fin with lead
When being aligned to slot, under the drive of guiding screw rod, guide pad is mobile relative to special-shaped axis；The moving contact is threadably mounted at described
The middle part of main transmission screw rod, the both ends of main transmission screw rod wear the isolation static contact and the grounding static contact respectively, in master
Under the drive of drive lead screw, moving contact is mobile relative to main transmission screw rod, make moving contact with static contact or grounding static contact knot is isolated
It closes.
2. operating mechanism, feature is isolated in a kind of three station of Direct Action Type using special-shaped axis positioning according to claim 1
It is, is equipped with curve arc groove (17) between first isolated operation hole and the first ground connection handle hole, the curve arc groove
One end is equipped with the clearance hole, and the other end is equipped with the ground hole, and centre is equipped with the dislocation hole.
3. operating mechanism, feature is isolated in a kind of three station of Direct Action Type using special-shaped axis positioning according to claim 1
It is, the selective positioning bar includes the connector (31) being fixedly connected with turntable, and is fixed in connector and headed
(32) positioning pin (33), connects between the positioning pin and the connector through spring.
4. operating mechanism, feature is isolated in a kind of three station of Direct Action Type using special-shaped axis positioning according to claim 1
It is, the moving contact, isolation static contact, grounding static contact are sealed in the pole of epoxy resin.
5. operating mechanism, feature is isolated in a kind of three station of Direct Action Type using special-shaped axis positioning according to claim 1
It is, the screw pitch of the main transmission screw rod is 10mm, and the fracture of the disconnecting switch is opened away from for 155mm, the earthing switch
When fracture is opened away from closing a floodgate for 135mm, the disconnecting switch and earthing switch, the overtravel of the moving contact insertion is 10mm.
6. operating mechanism, feature is isolated in a kind of three station of Direct Action Type using special-shaped axis positioning according to claim 1
It is, the sum of the length of first fin and thickness of guide pad are equal to moving contact and combined floodgate stroke length, the second fin is isolated
Length and the sum of the thickness of guide pad be equal to moving contact contact of earth stroke length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121928.5U CN208352185U (en) | 2018-07-16 | 2018-07-16 | A kind of three station of Direct Action Type isolation operating mechanism using special-shaped axis positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121928.5U CN208352185U (en) | 2018-07-16 | 2018-07-16 | A kind of three station of Direct Action Type isolation operating mechanism using special-shaped axis positioning |
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| CN208352185U true CN208352185U (en) | 2019-01-08 |
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| CN201821121928.5U Active CN208352185U (en) | 2018-07-16 | 2018-07-16 | A kind of three station of Direct Action Type isolation operating mechanism using special-shaped axis positioning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615645A (en) * | 2018-07-16 | 2018-10-02 | 中国能源工程（海门）昌泰电气有限公司 | A kind of three station of Direct Action Type isolation operating mechanism and its control method using special-shaped axis positioning |
| CN113871225A (en) * | 2021-08-20 | 2021-12-31 | 平高集团有限公司 | Three-station operating mechanism and switch cabinet |
-
2018
- 2018-07-16 CN CN201821121928.5U patent/CN208352185U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615645A (en) * | 2018-07-16 | 2018-10-02 | 中国能源工程（海门）昌泰电气有限公司 | A kind of three station of Direct Action Type isolation operating mechanism and its control method using special-shaped axis positioning |
| CN113871225A (en) * | 2021-08-20 | 2021-12-31 | 平高集团有限公司 | Three-station operating mechanism and switch cabinet |
| CN113871225B (en) * | 2021-08-20 | 2024-04-09 | 平高集团有限公司 | Three-station operating mechanism and switch cabinet |
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Effective date of registration: 20210903 Address after: 325000 No. 99, Zhujiang Road, Daqiao Industrial Zone, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Hengrui Electric Co.,Ltd. Address before: 226100 No. 777, Yangzijiang Road, Haimen Economic and Technological Development Zone, Haimen City, Nantong City, Jiangsu Province Patentee before: CHINA ENERGY ENGINEERING (HAIMEN) CHANGTAI ELECTRIC Co.,Ltd. |
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