CN203850193U - Remote control type automatic opening and closing knife gate - Google Patents
Remote control type automatic opening and closing knife gate Download PDFInfo
- Publication number
- CN203850193U CN203850193U CN201420236111.8U CN201420236111U CN203850193U CN 203850193 U CN203850193 U CN 203850193U CN 201420236111 U CN201420236111 U CN 201420236111U CN 203850193 U CN203850193 U CN 203850193U
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- CN
- China
- Prior art keywords
- switch
- pull bar
- disconnecting link
- motor
- integral
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- Expired - Fee Related
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Abstract
The utility model discloses a remote control type automatic opening and closing knife gate. The knife gate is characterized in that a push and pull rod (6) is arranged on a three-phase integral knife gate (2); one end of the push and pull rod (6) is fixed on the knife gate (8) of the three-phase integral knife gate (2) through a first pin (7); the other end of the push and pull rod (6) is connected with one end of a connecting rod (10) through a second pin (9); the middle part of the connecting rod (10) sleeves a rotating rod (11); the rotating rod (11) runs through a base (12) of the three-phase integral knife gate (2); the other end of the connecting rod (10) is connected with one end of an operation pull rod (14) through a third pin (13); the other end of the operation pull rod (14) is arranged on a cam (16) of a shaft of a motor (3) through a fourth pin (15); a remote control (5) is used to operate positive rotation or reverse rotation of the motor (3); an upper travel switch (17) and a lower travel switch (18) are used to control rotation and stop of the motor (3), so as to control opening or closing of the three-phase integral knife gate (2).
Description
Technical field
The utility model belongs to isolating switch technical field in power engineering, relates in particular to automatic deciliter disconnecting link of a kind of distance type.
Background technology
At present, electric pressure is all to adopt split type artificial pulling type isolating switch to cut-off dead line on 10KV and above transmission line, to reach line sectionalizing trouble-shooting, object with segmentation maintenance, this kind of isolating switch is simple in structure, small investment, but exist difficult in maintenance, drawing difficulty, the defect of operating difficulties, due to for a long time, in closure state, long term exposure is in air, be exposed to the elements, be easy to corrosion.Once corrosion will bring difficulty to the drawing disjunction maintenance of this section of circuit; In addition, transmission line distance to the ground is very long, in the time of needs breaking circuit breaker, need the artificial insulating bar that adopts to carry out drawing operation, this kind of operation is limited by the length of insulating bar, fitness and skilled operation degree with operating personnel, also have certain risk, once operating personnel are not in good state, insulating bar length is enough reluctantly simultaneously, treat the functional arrangement situation in scissors crossing again, be just easy to cause because security incident and the misoperation situation that manual operation causes.Therefore, invent a kind of automatic disjunction isolation switch device of unartificial operation very necessary; To improve operation accuracy and coefficient of safety.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned drawback, provide a kind of distance type automatic deciliter disconnecting link, realizing the technical scheme that the purpose of this utility model takes is: automatic deciliter disconnecting link of a kind of distance type, comprise by voltage transformer, air switch, between relay, charger, storage battery, the power-supply circuit that inverter and timing switch form, operation cabinet, Integral three-phase disconnecting link, motor, remote control switch and remote controller, it is characterized in that: described Integral three-phase disconnecting link is provided with pull bar, one end of pull bar utilizes the first bearing pin to be fixed on the disconnecting link of Integral three-phase disconnecting link, the other end of pull bar utilizes the second bearing pin to be connected with one end of link rod, the intermediate sleeve of link rod is contained on bull stick, bull stick is installed on the base of Integral three-phase disconnecting link, the other end of link rod utilizes one end of the 3rd bearing pin attended operation pull bar, the other end of operation pull bar utilizes the 4th bearing pin to be arranged on the cam on motor shaft, one side of cam arranges respectively upper stroke switch and lower stroke switch, utilize remote controller telecontrol switch, the forward or reverse of operating electrical machines, by operation pull bar, link rod and pull bar are controlled separating brake or the combined floodgate of Integral three-phase disconnecting link, by upper stroke switch and lower stroke switch, controlling turning of motor stops.
Power-supply circuit of the present utility model is: in three-phase line, get two as the once survey power supply of voltage transformer, secondary power supply charges to charger through the normally opened contact of air switch and auxiliary relay, charger is output as 12V direct current accumulators by 220V AC rectification, by 12V storage battery, to remote control switch, powered, and through inverter, by 12V DC inverter, be that 220V alternating current is powered to motor simultaneously.
Operation control circuit of the present utility model is: the 220V alternating current of inverter output is powered to motor.While utilizing 1, the closed remote control switch switch of remote controller, up relay obtains electric, and normally opened contact is closed, and electrical power forward starts, and when motor forward arrives precalculated position, upper stroke switch action is cut-off, and motor forward stops, and disconnecting link separating brake puts in place; In the time of motor forward separating brake, normally-closed contact is opened, and can prevent reverse turn control circuit access action.In like manner, when utilizing 2, the closed remote control switch switch of remote controller, descending relay obtains electric, its normally opened contact adhesive, the motor reversal control switch closing of contact, when motor starts reversion arrival precalculated position, lower stroke switch action is cut-off, and motor reversal stops, and disconnecting link closes a floodgate and puts in place.
The utility model can, the in the situation that of circuit power-off, by straighforward operation disjunction disconnecting link, have been avoided the unnecessary casualty accident causing because of manual operation; There is live locking safeguard function, can in the situation that circuit is charged, force to forbid the behavior of remote control disjunction disconnecting link,, in the situation that circuit is charged, cannot realize remote control disjunction switch operation.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model structural representation;
Fig. 2 is the utility model disconnecting link Unclosing structure schematic diagram;
Fig. 3 is the utility model disconnecting link closing structure schematic diagram;
Fig. 4 is the power-supply circuit figure in the utility model;
Fig. 5 is the operation control circuit figure in the utility model.
In figure, 1, operation cabinet, 2, Integral three-phase disconnecting link, 3, motor, 4, remote control switch, 5, remote controller, 6, pull bar, 7, the first bearing pin, 8, disconnecting link, 9, the second bearing pin, 10, link rod, 11, bull stick, 12, base, 13, the 3rd bearing pin, 14, operation pull bar, 15, the 4th bearing pin, 16, cam, 17, lower stroke switch, relay, 18, upper stroke switch, 19, voltage transformer, 20, air switch, 21, the first auxiliary relay, 22, charger, 23, storage battery, 24, inverter, 25, timing switch, 26, the second relay, 27, the 3rd relay.
Embodiment
With reference to accompanying drawing, automatic deciliter disconnecting link of a kind of distance type, comprise by voltage transformer 19, air switch 20, between relay 21, charger 22, storage battery 23, the power-supply circuit that inverter 24 and timing switch 25 form, operation cabinet 1, Integral three-phase disconnecting link 2, motor 3, remote control switch 4 and remote controller 5, it is characterized in that: described Integral three-phase disconnecting link 2 is provided with pull bar 6, one end of pull bar 6 utilizes the first bearing pin 7 to be fixed on the disconnecting link 8 of Integral three-phase disconnecting link 2, the other end of pull bar 6 utilizes the second bearing pin 9 to be connected with one end of link rod 10, the intermediate sleeve of link rod 10 is contained on bull stick 11, bull stick 11 is installed on the base 12 of Integral three-phase disconnecting link 2, the other end of link rod 10 utilizes one end of the 3rd bearing pin 13 attended operation pull bars 14, the other end of operation pull bar 14 utilizes the 4th bearing pin 15 to be arranged on the cam 16 on motor 3 axles, one side of cam 16 arranges respectively upper stroke switch 17 and lower stroke switch 18, utilize remote controller 5 telecontrol switches 4, the forward or reverse of operating electrical machines 3, by operation pull bar 14, link rod 10 and pull bar 6 are controlled separating brake or the combined floodgate of Integral three-phase disconnecting link 2, by upper stroke switch 17 and lower stroke switch 18, controlling turning of motor 3 stops.
Power-supply circuit of the present utility model is: with reference to accompanying drawing 4, get arbitrarily two once survey power supplys as voltage transformer 19 in ABC three-phase line, normally opened contact KM1-1 by instrument transformer 19 secondary side outputs through air switch 20 and the first auxiliary relay 21 charges to charger 22, charger 22 is output as 12V direct current accumulators 23 by 220V AC rectification, storage battery 23 gives remote control switch 4 power supplies, and through inverter 24, by 12V DC inverter, is that 220V alternating current is to linear quadratic control circuit supply simultaneously.When air switch 20 closures, the normally opened contact KM1-1 of the first auxiliary relay 21 is closed, (after arrival setting-up time, timing switch disconnects automatically by timing switch 25 regularly chargings of accumulators 23 to connect charger 22, arrive after setting-up time automatically closed again) thereafter, the normally-closed contact KM1-2 that in storage battery 23, direct current 12V voltage is alternating current 220V voltage by the first auxiliary relay 21 through inverter 24 inversions is to motor 3 power supplies, wherein, when circuit is charged, because the coil of the first auxiliary relay 21 obtains electric, its normally-closed contact disconnects, therefore, secondary circuit is due to power interruptions, cannot carry out straighforward operation, thereby realize the function of the charged anti-error disjunction switch operation of circuit.
Operation control circuit of the present utility model is: with reference to accompanying drawing 5, L, N power supply access point, when utilizing 1 of remote controller 5 telecontrol switch 4 Closing Switch, the coil of the second relay 26 obtains electric, normally opened contact KM2-1 is closed, coil access self-locking, it is closed that motor forward is controlled normal open switch KM2-1, and motor 3 forwards start, when motor forward (connecting rod drives Integral three-phase disconnecting link separating brake) arrives precalculated position, upper stroke switch 18 actions are cut-off, and motor forward stops, and disconnecting link separating brake puts in place; In the time of motor 3 forward separating brake, the normally-closed contact KM2-1 of coil KM2 opens, and can prevent reverse turn control circuit access action.In like manner, when utilizing 2 of remote controller 5 telecontrol switch 4 Closing Switch, the coil of the 3rd relay 27 obtains electric, its normally opened contact KM3-1 adhesive, self-locking place in circuit, motor reversal control switch contact KM3-1 is closed, when motor starts reversion (being that connecting rod drives Integral three-phase disconnecting link to close a floodgate) arrival precalculated position, lower stroke switch 17 actions are cut-off, and motor reversal stops, and disconnecting link closes a floodgate and puts in place.
The above voltage transformer 19, air switch 20, a relay 21, charger 22, storage battery 23, inverter 24, timing switch 25, the second relay 26 and the 3rd relay 27 are all arranged in operation cabinet 1, are convenient to install control.
Claims (1)
1. automatic deciliter disconnecting link of a distance type, comprise by voltage transformer (19), air switch (20), between relay (21), charger (22), storage battery (23), the power-supply circuit that inverter (24) and timing switch (25) form, operation cabinet (1), Integral three-phase disconnecting link (2), motor (3), remote control switch (4) and remote controller (5), it is characterized in that: described Integral three-phase disconnecting link (2) is provided with pull bar (6), one end of pull bar (6) utilizes the first bearing pin (7) to be fixed on the disconnecting link (8) of Integral three-phase disconnecting link (2), the other end of pull bar (6) utilizes the second bearing pin (9) to be connected with one end of link rod (10), the intermediate sleeve of link rod (10) is contained on bull stick (11), bull stick (11) is installed on the base (12) of Integral three-phase disconnecting link (2), the other end of link rod (10) utilizes one end of the 3rd bearing pin (13) attended operation pull bar (14), the other end of operation pull bar (14) utilizes the 4th bearing pin (15) to be arranged on the cam (16) on motor (3) axle, one side of cam (16) arranges respectively upper stroke switch (17) and lower stroke switch (18), utilize remote controller (5) telecontrol switch (4), the forward or reverse of operating electrical machines (3), by operation pull bar (14), link rod (10) and pull bar (6) are controlled separating brake or the combined floodgate of Integral three-phase disconnecting link (2), by upper stroke switch (17) and lower stroke switch (18), controlling turning of motor (3) stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236111.8U CN203850193U (en) | 2014-05-09 | 2014-05-09 | Remote control type automatic opening and closing knife gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236111.8U CN203850193U (en) | 2014-05-09 | 2014-05-09 | Remote control type automatic opening and closing knife gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850193U true CN203850193U (en) | 2014-09-24 |
Family
ID=51563178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420236111.8U Expired - Fee Related CN203850193U (en) | 2014-05-09 | 2014-05-09 | Remote control type automatic opening and closing knife gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203850193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449768A (en) * | 2018-12-04 | 2019-03-08 | 国网辽宁省电力有限公司锦州供电公司 | Modularization distribution system |
-
2014
- 2014-05-09 CN CN201420236111.8U patent/CN203850193U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449768A (en) * | 2018-12-04 | 2019-03-08 | 国网辽宁省电力有限公司锦州供电公司 | Modularization distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |