CN201532894U - Interlocking device of disconnecting switch mechanism - Google Patents

Interlocking device of disconnecting switch mechanism Download PDF

Info

Publication number
CN201532894U
CN201532894U CN2009202009448U CN200920200944U CN201532894U CN 201532894 U CN201532894 U CN 201532894U CN 2009202009448 U CN2009202009448 U CN 2009202009448U CN 200920200944 U CN200920200944 U CN 200920200944U CN 201532894 U CN201532894 U CN 201532894U
Authority
CN
China
Prior art keywords
action bars
locking device
spur gear
switch
bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202009448U
Other languages
Chinese (zh)
Inventor
胡光福
彭海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Shunli High-Voltage Switch Science & Technology Co Ltd
Original Assignee
Ningbo Shunli High-Voltage Switch Science & Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Shunli High-Voltage Switch Science & Technology Co Ltd filed Critical Ningbo Shunli High-Voltage Switch Science & Technology Co Ltd
Priority to CN2009202009448U priority Critical patent/CN201532894U/en
Application granted granted Critical
Publication of CN201532894U publication Critical patent/CN201532894U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The utility model relates to a disconnecting switch control mechanism in a high-voltage switching apparatus, in particular to an interlocking device of a disconnecting switch mechanism, which is designed for resolving the technical problems that the locking effect of each position is poor after a switch of the existing control mechanism is in place and an operational handle is easy to be drawn out midway when the switch is not in place. The points include that a position unlocking bar of an electric component in the interlocking device is fixedly connected in a triangle manner; three angles of the bar are respectively provided with a contact bar, a limit bar and a limit roller; a big straight toothed spur gear is meshed with a small straight toothed spur gear; an operational bar induction device of a manual component is provided with a first microswitch; the operational bar induction device is provided with a locking end part; an operational handle is provided with a groove part; and the small straight toothed spur gear is provided with handle holes. The interlocking device is combined with a disconnecting switch device through a mechanical interlocking device of a control mechanism body and suitable for SF in national ultrahigh voltage 110kv and 220 kv electric distribution systems. Additionally, the interlocking device matching with a control unit of a disconnecting switch of a gas-insulated totally closed combined electrical apparatus.

Description

The interlock of isolating switch mechanism
Technical field
The utility model relates to the isolating switch operating mechanism in the high-voltage switch electric appliance, is a kind of interlock of isolating switch mechanism.
Background technology
As everyone knows, high voltage isolator generally refers to rated voltage at 1kV and above isolating switch thereof, abbreviates isolating switch usually as, its as electric power system realize deciliter, the important switchgear of conversion line.At present, on each position electrical equipment, can realize switching, mechanically can't realize spacingly accurately always, the combined floodgate overshoot often occurs, and position switches such as combined floodgate, separating brake or ground connection be not in place though the ubiquitous problem of isolating switch is an isolating switch.The operating mechanism that specifically is the Disconnecting switch unit adapted is when switch puts in place, though electrical circuit has been received the signal that control cubicle provides, but because motor rotator inertia, still can not make operating mechanism stop motion immediately, and causing the inaccurate of isolating switch actual contact position, these all will bring bigger potential safety hazard and problem to normal operation and regular maintenance, the maintenance etc. of electric power system.For addressing the above problem, as Chinese patent literature publication patent No. ZL200720185184.9, October 29 2008 Granted publication day, utility model title " chain operating mechanism ", these chain operating mechanism characteristics are that isolating switch chamber and the earthed switch operating sleeve in the mechanism is split-type structural, have the fairlead and the isolator operation locking bar that prevent opening door operation on the described isolator operation hole, described earthed switch handle hole also has fairlead and the earthed switch operation locking bar that prevents opening door operation.But the structure of above-mentioned isolating switch and interlock is mainly the earthed switch service, cannot say for sure to demonstrate,prove accurately putting in place of combined floodgate, separating brake, earthing position and switch, the also difficult SF that is suitable for 6The mechanism of isolating switch control unit adapted in the gas-insulating and fully-enclosed combined electrical apparatus.
Summary of the invention
For overcoming the deficiency of above-mentioned existence, the utility model purpose is to provide a kind of interlock that locks electronic and manual function isolating switch mechanism that has to this area, make it solve in the existing operating mechanism switch and put the relatively poor and operating grip of each position locking effect of back in place under switch situation not in place, the technical problem of extracting out easily midway its objective is to be achieved through the following technical solutions.
A kind of interlock of isolating switch mechanism, this interlock comprises manual component and electric assembly, its manual component comprises pin axle, operating grip, action bars induction installation, the body of electric assembly comprises location solution locking bar, moving iron core, positional lock cam, big straight spur gear, action bars locking device, little straight spur gear, mechanical lock locking device, and corresponding sensitive switch; Described location solution locking bar, action bars locking device, action bars induction installation, mechanical lock locking device are fixed in body by rotation axis.
Its technical essential of this interlock is that the location solution locking bar of described electric assembly is triangular in shape, triangle is respectively equipped with feeler lever, gag lever post, limited roller, other parts such as this location solution locking bar and bearing pin, feeler lever, gag lever post, limited roller are formed the location solution lock set together, and the location solution lock set is also triangular in shape.Described feeler lever or offset with second sensitive switch, when feeler lever and second sensitive switch offseted, second sensitive switch started; When feeler lever did not offset with second sensitive switch, second sensitive switch cut out.The distal portion of the bearing pin of feeler lever end and action bars locking device offsets, bearing pin offsets with the distal portion of action bars locking device all the time by the 4th reduction torsion spring, the circular arc place of the distal portion of action bars locking device, under the active force of the 4th reduction torsion spring, offset with pivot pin all the time, when the location solution locking bar is opened, pivot pin will together lift under the drive of triangle fixed body along clockwise direction.Because the circular arc place of the distal portion of action bars locking device offsets with pivot pin all the time, so also be lifted, makes the other end of action bars locking device block the groove position of operating grip; When the location solution locking bar was closed, pivot pin will together fall under the drive of triangle fixed body along clockwise direction, made the other end of action bars locking device break away from the groove position of operating grip.The end of gag lever post and moving iron core offset; Side-to-side movement by moving iron core disconnection or adhesive promotes the end of gag lever post, moves but move iron core activation point trip lever left and right horizontal under electrodynamic driving, to reach the mechanically release or the locking of position.The limited roller end is provided with the rectangle position, and the mechanical lock locking device is provided with protruding part and spacing position, and the rectangle position or the 3rd sensitive switch of the protruding part of mechanical lock locking device and limited roller end offset; When the rectangle position of the protruding part of mechanical lock locking device and limited roller end offseted, the 3rd sensitive switch cut out; When the protruding part of mechanical lock locking device and the 3rd sensitive switch offseted, the 3rd sensitive switch was opened.The positional lock cam is connected by rotating shaft with big straight spur gear, and the positional lock cam is provided with gap portions; When electric assembly is locked, the gap portions of the limited roller insertion position of location solution locking bar lock cam, locked position lock cam cuts off the electric motor loop power supply and prevents that straight spur gear from driving rotating shaft and rotating; When electric assembly was unlocked, limited roller lifted the not rotation of impact position lock cam of release.Big straight spur gear and the engagement of little straight spur gear; Drive little straight spur gear by operating grip and rotate, little straight spur gear drives big straight spur gear and positional lock cam rotation.
The action bars induction installation of described manual component is provided with first sensitive switch, and the action bars induction installation is provided with lock end induction position; The lock end of operating grip induction position breaks away from the delthyrium pivot pin of little straight spur gear, and when having extracted handle out, first sensitive switch is operated the lock end induction position pinning of bar induction installation.Operating grip is provided with the groove position, and little straight spur gear is provided with the delthyrium pivot pin.When operating grip inserts the delthyrium pivot pin of little straight spur gear, the action bars induction installation is that rotate at the center with the pin axle, upwards lifts counterclockwise, first sensitive switch switches, the control loop of electric assembly disconnects, and the manual component loop is connected, and can realize manual operation by manual locking.In the mechanical operation process, the action bars locking device lifts and inserts the groove position of operating grip, preventing operating grip in positions such as combined floodgate, separating brake, ground connection, extracts out under the switch situation not in place midway.
Pin axle on the described action bars induction installation is provided with first reduction torsion spring, is used for this device resetting after the operating grip cancellation.The rotation axis of location solution locking bar and mechanical lock locking device is respectively equipped with second reduction torsion spring, the 3rd reduction torsion spring.Second reduction torsion spring is used for resetting of location solution locking bar, and the 3rd reduction torsion spring is used for resetting of mechanical lock locking device.The action bars locking device is provided with the 4th reduction torsion spring, is used for this device after in a single day limited roller slips into the gap portions of positional lock cam, and the rotation of action bars locking device resets.
The gag lever post of described location solution locking bar is arranged in the chute of body, carries out spacing to the sliding scale of position trip lever.
The utility model is applicable to domestic superhigh pressure 110kV and 220kV SF by operating mechanism body mechanical interlocking device and isolation switch device combination 6The mechanism of gas-insulating and fully-enclosed combined electrical apparatus isolating switch control unit adapted.
Description of drawings:
Fig. 1 is the blocked status architecture schematic diagram of manual component of the present utility model and operating grip, and operating grip inserts the delthyrium pivot pin of little straight spur gear among the figure, and operating grip is operated the locking of rod lock device.
Fig. 2 is a manual component locking electric assembly state latch-up structure schematic diagram of the present utility model, and before operating grip inserted the delthyrium pivot pin of little straight spur gear among the figure, the action bars induction installation lifted, and first sensitive switch switches, and electric assembly is locked.
Fig. 3 is a lock-out state structural representation of the present utility model, and the position limited roller has slipped into the state of positional lock cam notch latched position fully among the figure.
Fig. 4 is electric assembly of the present utility model and manual component while lock-out state structural representation, the rectangle position of position release is just in time withstood in the protruding part of mechanical lock device among the figure, limited roller can not lift release from positional lock cam notch position fully fully, dotted line is the positional lock cam, and arrow is the rotation direction of mechanical lock locking device.
Above figure number and title: 1, first sensitive switch, 2, the pin axle, 201, first reduction torsion spring, 3, operating grip, 301, the groove position, 4, second sensitive switch, 5, feeler lever, 6, second reduction torsion spring, 7, the location solution locking bar, 701, the rectangle position, 702, gag lever post, 703, bearing pin, 8, limited roller, 9, moving iron core, 10, the 3rd reduction torsion spring, 11, the positional lock cam, 1101, gap portions, 12, the 3rd sensitive switch, 13, big straight spur gear, 14, the action bars locking device, 1401, distal portion, 1402, the 4th reduction torsion spring, 15, little straight spur gear, 1501, the delthyrium pivot pin, 16, the action bars induction installation, 1601, lock end induction position, 17, the mechanical lock locking device, 1701, the protruding part, 1702, spacing position, 18, body, 1801, chute.
Embodiment:
Now in conjunction with the accompanying drawings structure of the present utility model and use are further described.This device mainly is made up of manual component and electric assembly, wherein manual component comprises pin axle 2, operating grip 3, action bars induction installation 16, and the body 18 of electric assembly comprises location solution locking bar 7, moving iron core 9, positional lock cam 11, big straight spur gear 13, action bars locking device 14, little straight spur gear 15, mechanical lock locking device 17; The mechanical lock locking device is provided with protruding part 1701 and spacing position 1702, the action bars induction installation is provided with first sensitive switch 1, body is provided with second sensitive switch 4 and the 3rd sensitive switch 12, feeler lever 5 or offset with second sensitive switch 4, the rectangle position 701 or the 3rd sensitive switch of the protruding part of mechanical lock locking device and limited roller end offset.When the location solution locking bar rotates, rotate in the chute 1801 of body by gag lever post 702 and to carry out spacing the rotation of position trip lever.First reduction torsion spring 201, second reduction torsion spring 6, the 3rd reduction torsion spring 10, the 4th reduction torsion spring 1402 act on the reset response of corresponding component.The concrete step of using is as follows:
As shown in Figure 1, operating grip inserts the delthyrium pivot pin 1501 of little straight spur gear, promoting action bars induction installation lock end induction position 1601 is that the center rotates counterclockwise and lifts with the pin axle, after treating that operating grip inserts the delthyrium pivot pin fully and puts in place, first sensitive switch switches, the control loop of electric assembly disconnects, and the manual component loop is connected.The groove position 301 of operating grip is slipped in the termination of action bars locking device 14, and operating grip is locked, and promptly the manual component action bars in this device is locked, and operating grip can not be extracted out in whole manual operation.During positional lock cam 11 no show latched positions, limited roller 8 will be lifted, and limited roller rolls along surface, positional lock cam outer all the time.If arbitrary less than bit position at separating brake, combined floodgate, earthed switch, want to extract out manual lever, since locked, can not realize; Unless use external force that action bars locking device termination is depressed by force or switch shakes to put in place and just can lift restrictions.Therefore, it mainly is when preventing manual operation that above-mentioned manual lever is extracted device for limiting out, mechanism be in switch put in place beyond the indefinite position of state, arbitrarily the draw out operation handle is provided with midway.
As shown in Figure 2, when in a single day operating grip 3 inserts the delthyrium pivot pin of little straight spur gear, the action bars induction installation will be that rotate at the center with the pin axle, cut off the electronic loop of first sensitive switch control simultaneously, reach manual operation and lock electrically operated purpose.Above-mentioned manual operation locking electrically operated device mainly is that the manual maintenance for switch provides more reliable safety guarantee.
As shown in Figure 3, no matter mechanism is manually or electric operating, when switch is not in place, limited roller all rolls along the positional lock cam face all the time, after positional lock cam rotation one circle put in place, limited roller slipped into the gap portions of positional lock cam at once, mechanically will realize locking position.Therefore, above-mentioned position mechanical lock device can reach the movement travel of effective control switch.After switch puts in place, mechanism will be spacing fully, no longer rotate, to guarantee the accuracy after each position of switch puts in place.
As shown in Figure 4, be rotated counterclockwise mechanical locking device, the 3rd sensitive switch switches, the rectangle position of location solution locking device is just in time withstood in the protruding part of mechanical locking device, and make it not move, thus realizing the locking fully of mechanism, electronic, manual operation at this moment will all can not realize, even insert the handle descendant for lifting location solution locking bar 7 this moment, can not realize.Above-mentioned mechanical lock device mainly is for guaranteeing the normal operation of switch, avoids artificial origin's (do not provide signal as the higher level, and owing to the reason of manual operation provides signal) that the mistake actuating of switch, a kind of more reliable fool proof guarantee that provides are provided.
According to said structure and operation principle, this device comprises that manual lever is extracted device for limiting out, manual operation locks electrically operated device, position mechanical lock device, four kinds of apparatus functions of mechanical lock device.Its major function is put in place the accurate lock function of each position, back of separating brake, combined floodgate, earthed switch, prevent the manual operation handle function that extraction midway limits under switch situation not in place, realize locking electric assembly and manual component simultaneously, and the function of manual component operational lock electric assembly.
Simultaneously, the use of interlock not only can guarantee the normal operation of isolating switch, and in the repair and maintenance of equipment, provide reliable guarantee to personal safety in this device, has solved some hidden danger that exist in the present like product maintenance process.In addition, the chain function of this interlock electrical equipment on having present like product, also provide operating mechanism body chain function mechanically, this normal operation for isolating switch provides more reliably and has ensured; Prevent the combined floodgate overshooting problem that isolating switch exists at present effectively, problem at mechanism's mechanical movement inertia provides qualification (or restriction), improved the global reliability of operating mechanism motion, make mechanical position limitation correctly to match, realized the accurate location of isolating switch with electrical equipment is chain.

Claims (3)

1. the interlock of an isolating switch mechanism, this interlock comprises manual component and electric assembly, its manual component comprises pin axle (2), operating grip (3), action bars induction installation (16), the body of electric assembly (18) comprises location solution locking bar (7), moving iron core (9), positional lock cam (11), big straight spur gear (13), action bars locking device (14), little straight spur gear (15), mechanical lock locking device (17), and corresponding sensitive switch; Described location solution locking bar, action bars locking device, action bars induction installation, mechanical lock locking device are fixed in body by rotation axis; It is characterized in that:
The location solution locking bar (7) of described electric assembly is triangular in shape, and triangle is respectively equipped with feeler lever (5), gag lever post (702), limited roller (8); Feeler lever or offset with second sensitive switch (4), the bearing pin of feeler lever end (703) offsets with the distal portion (1401) of action bars locking device (14), and the end of gag lever post and moving iron core (9) offset; The limited roller end is provided with rectangle position (701), and mechanical lock locking device (17) is provided with protruding part (1701) and spacing position (1702), and the rectangle position of the protruding part of mechanical lock locking device and limited roller end or the 3rd sensitive switch (12) offset; Positional lock cam (11) is connected by rotating shaft with big straight spur gear (13), and the positional lock cam is provided with gap portions (1101); Big straight spur gear and little straight spur gear (15) engagement;
The action bars induction installation (16) of described manual component is provided with first sensitive switch (1), and the action bars induction installation is provided with lock end induction position (1601); Operating grip (3) is provided with groove position (301), and little straight spur gear is provided with delthyrium pivot pin (1501).
2. according to the interlock of the described isolating switch mechanism of claim 1, it is characterized in that described action bars induction installation (16) is provided with first reduction torsion spring (201), the rotation axis of location solution locking bar (7) and mechanical lock locking device (17) is respectively equipped with second reduction torsion spring (6), the 3rd reduction torsion spring (10), and action bars locking device (14) is provided with the 4th reduction torsion spring (1402).
3. according to the interlock of the described isolating switch mechanism of claim 1, it is characterized in that the gag lever post (702) of described location solution locking bar (7) is arranged in the chute (1801) of body (18).
CN2009202009448U 2009-11-19 2009-11-19 Interlocking device of disconnecting switch mechanism Expired - Fee Related CN201532894U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202009448U CN201532894U (en) 2009-11-19 2009-11-19 Interlocking device of disconnecting switch mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202009448U CN201532894U (en) 2009-11-19 2009-11-19 Interlocking device of disconnecting switch mechanism

Publications (1)

Publication Number Publication Date
CN201532894U true CN201532894U (en) 2010-07-21

Family

ID=42528295

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202009448U Expired - Fee Related CN201532894U (en) 2009-11-19 2009-11-19 Interlocking device of disconnecting switch mechanism

Country Status (1)

Country Link
CN (1) CN201532894U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104916472A (en) * 2015-06-12 2015-09-16 中国西电电气股份有限公司 Manual interlocking and locking device with three-station mechanism control point-to-point function
CN109616368A (en) * 2018-12-04 2019-04-12 浙江道笃智能开关有限公司 A kind of high voltage isolating switch operating mechanism
CN110993421A (en) * 2019-11-22 2020-04-10 许继(厦门)智能电力设备股份有限公司 Interlocking structure of three-position switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104916472A (en) * 2015-06-12 2015-09-16 中国西电电气股份有限公司 Manual interlocking and locking device with three-station mechanism control point-to-point function
CN109616368A (en) * 2018-12-04 2019-04-12 浙江道笃智能开关有限公司 A kind of high voltage isolating switch operating mechanism
CN109616368B (en) * 2018-12-04 2019-12-06 浙江道笃智能开关有限公司 High-voltage isolating switch operating mechanism
CN110993421A (en) * 2019-11-22 2020-04-10 许继(厦门)智能电力设备股份有限公司 Interlocking structure of three-position switch

Similar Documents

Publication Publication Date Title
KR101285751B1 (en) Switch gear
CN103441439B (en) A kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed
EP2110909A2 (en) Circuit breaker with locking mechanism
CN203434502U (en) A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches
CN201532894U (en) Interlocking device of disconnecting switch mechanism
CN111508765A (en) Five-prevention interlocking switch cabinet
CN102723222B (en) Fixed high-voltage switch cabinet interlocking mechanism
CN201985015U (en) Mechanical manipulation interlocking device
CN201780898U (en) Five-prevention interlock operating device for circuit breaker cabinet
CN101136539A (en) Interlocking device for electronic switchgear
CN206471243U (en) High-voltage Incoming Cabinet, mother cabinet key mechanical interlock
CN104252980A (en) Disconnector fuse set and safety interlocking device thereof
CN202633146U (en) Fixed high-voltage switch cabinet interlocking mechanism
CN202796548U (en) Interlocking indicating device for switching operation interlocking mechanism
CA2384327C (en) Method and device for interlocking
CN115910644A (en) Interlocking mechanism for plug-in cabinet door of upper isolation lower circuit breaker switch cabinet
CN213025885U (en) 10kV cubical switchboard ground connection plug-in strip unlocking device
CN203733669U (en) Interlock system for outdoor high-voltage vacuum switch and disconnecting switch
CN107578937A (en) A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism
CN108475593B (en) Circuit breaker apparatus and device for opening a contactor
CN102737876A (en) Interlocking indication device of switch operation interlocking mechanism
CN204011153U (en) Ring main unit operation interlocking device
CN113990688B (en) Cabinet door interlocking device for switch equipment and switch equipment
CN108565185A (en) The electric leakage instruction protection mechanism of leakage circuit breakers and electric leakage instruction guard method
CN109509655A (en) Switchgear component and its mechanical electric interlock

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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100721

Termination date: 20181119