CN107578937A - A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism - Google Patents

A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism Download PDF

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Publication number
CN107578937A
CN107578937A CN201711026341.6A CN201711026341A CN107578937A CN 107578937 A CN107578937 A CN 107578937A CN 201711026341 A CN201711026341 A CN 201711026341A CN 107578937 A CN107578937 A CN 107578937A
Authority
CN
China
Prior art keywords
actuating axle
breaker
disconnecting switch
axle
arm
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.)
Withdrawn
Application number
CN201711026341.6A
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Chinese (zh)
Inventor
吴光武
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.)
Chengdu Hengtong Zhaoye Precision Machinery Co Ltd
Original Assignee
Chengdu Hengtong Zhaoye Precision Machinery 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 Chengdu Hengtong Zhaoye Precision Machinery Co Ltd filed Critical Chengdu Hengtong Zhaoye Precision Machinery Co Ltd
Priority to CN201711026341.6A priority Critical patent/CN107578937A/en
Publication of CN107578937A publication Critical patent/CN107578937A/en
Withdrawn legal-status Critical Current

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Abstract

The invention discloses a kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism, including mechanism casing, disconnecting switch actuating axle, earthed switch actuating axle, breaker actuating axle, breaker electromagnetic operating mechanism, disconnecting switch actuating axle and earthed switch actuating axle front end are provided with handle hole, breaker actuating axle position is on the right side of disconnecting switch actuating axle, guide plate is fixedly installed on mechanism case front side board, guide plate covers in the handle hole of disconnecting switch actuating axle and earthed switch actuating axle, strip pilot hole is provided with left and right sides of guide plate, baffle plate is provided with pilot hole, baffle plate one end is also fixedly connected with arm-tie, the arm-tie other end passes through connecting lever and breaker actuating axis connection.The present invention by disconnecting switch, earthed switch actuating hole on be provided with baffle plate, baffle plate is rotated come the side-to-side movement of controlling baffle plate by breaker actuating axle.This interlocking mechanism is simple in construction, and connection is reliable, is easy to promotion and implementation.

Description

A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism
Technical field
The present invention relates to power switchgear technical field, and in particular to a kind of high-voltage combined electrical apparatus disconnecting switch and open circuit Device interlocking mechanism.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can closed, when defined Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is divided into primary cut-out by its use range With low-voltage circuit breaker, high-low pressure identification of boundaries is relatively fuzzyyer, and more than 3kV typically is referred to as into High-Voltage Electrical Appliances.Breaker can be used to Electric energy is distributed, infrequently starts asynchronous motor, the implementations such as power circuit and motor are protected, when they occur seriously When overload or the failure such as short-circuit and under-voltage can automatic shutdown circuit, its function is equivalent to Fuse switch with crossing underheat relay The combination of device etc..And it is latter in disjunction fault current as need not change parts.At present, obtained a wide range of applications. Electricity generation, conveying, in use, distribution is an extremely important link.
High voltage isolator is device for switching important in power plant and transformer station's electrical system, need to be matched somebody with somebody with primary cut-out Set uses.Disconnecting switch is applied to three-phase alternating current 50Hz, rated voltage 12KV inside plant.For high-tension apparatus have voltage and Row load is connected in the case of carrying, and cut-out or conversion line are used.
Its major function is:Ensure the safety of High-Voltage Electrical Appliances and device in service work, play isolation voltage, no Some handover operations of powerful electric arc can be can only be used to not produce, i.e., with cutting off, putting into load current and cut-off short circuit current It is to say that it does not have arc-suppression function;It is divided into by infield difference, formula outside formula and room, is divided into by insulation column number within doors, single Pillar, queen post and three pillar type, each voltage class have optional equipment.The part that has a power failure can will be also needed in high voltage distribution installation Reliably isolate with live part, to ensure the safety of service work.The contact of high voltage isolator all it is open in atmosphere, With obvious cut-off point, disconnecting switch does not have arc-control device, therefore can not be used for cutting off load current or short circuit current, otherwise Under high pressure effect, cut-off point will produce strong electric arc, and be difficult self-extinguish, in some instances it may even be possible to cause arcing (relatively or phase Between short circuit), scaling loss equipment, jeopardize personal safety, here it is the major accident of so-called " on-load drawing disconnecting switch ".
When breaker is connected with disconnecting switch, there are strict requirements for its operation order, during power-off, first cut-off breaker, then Check and confirm that breaker disconnects disconnecting switch in the case of having disconnected;During power transmission, disconnecting switch is first closed, is closing breaker. In order to just must be provided with the interlock between disconnecting switch and breaker in strict accordance with this order operation, prevent equipment from event occurs The barrier infringement person and property safety, current mechanical interlocks is complicated, and transmission process is cumbersome, manufacturing cost height etc..
The content of the invention
The technical problems to be solved by the invention are that the mechanical interlocking structure between existing disconnecting switch and breaker is answered The defects of miscellaneous, transmission process is complicated, and degree of safety is not high, installation and inconvenient maintenance, and manufacturing cost is high is, and it is an object of the present invention to provide a kind of high Press combined electrical apparatus disconnecting switch and breaker interlocking mechanism.
The present invention is achieved through the following technical solutions:
A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism, including mechanism casing, disconnecting switch actuating axle, Earthed switch actuating axle, breaker actuating axle, breaker electromagnetic operating mechanism, it is characterised in that the disconnecting switch actuating axle, Earthed switch actuating axle, breaker actuating axle are parallel to be set on the front and rear side plate of the mechanism casing, the disconnecting switch behaviour Moving axis and earthed switch actuating axle front end are provided with handle hole, the disconnecting switch actuating axle position in earthed switch actuating axle just on Side, for the breaker actuating axle position on the right side of the disconnecting switch actuating axle, the breaker actuating axle passes through transmission arm and institute The push rod connection of breaker electromagnetism actuating structure is stated, the breaker electromagnetic operating mechanism drives described disconnected by the transmission arm Road device actuating axle rotary motion, is fixedly installed guide plate on the mechanism case front side board, the guide plate cover in it is described every Leave the handle hole for closing actuating axle and earthed switch actuating axle, the guide plate is provided with two through holes, the through hole respectively with The handle hole of disconnecting switch actuating axle and earthed switch the actuating axle is concentric, and the through hole is more than the disconnecting switch actuating The handle hole of axle and earthed switch actuating axle, the guide plate left and right sides are provided with strip pilot hole, set in the pilot hole There is baffle plate, described baffle plate one end is also fixedly connected with arm-tie, and the arm-tie other end passes through connecting lever and the breaker actuating axle Connection.
Preferred scheme, the front side board of the mechanism casing are provided with guide finger, are provided with and the guiding in the middle part of the arm-tie Sell the strip hole being adapted, the arm-tie horizontal side-to-side movement on the guide finger, the arm-tie and the connecting lever junction Straight pin is provided with, the straight pin is provided with perpendicular to the arm-tie, the straight pin junction of the connecting lever and the arm-tie Slotted hole, straight pin coordinate with slotted hole, and the connecting lever other end is provided with the slotted hole being adapted with the breaker actuating axle, The connecting lever drives the arm-tie left and right horizontal to move by rotating.
Preferred scheme, the disconnecting switch actuating axle, earthed switch actuating axle, breaker actuating axle and the mechanism casing Junction is arranged with flanged outer ring deep groove ball bearing.
The present invention compared with prior art, has the following advantages and advantages:By in disconnecting switch, earthed switch Actuating hole on be provided with baffle plate, baffle plate is by the rotation of breaker actuating axle come the side-to-side movement of controlling baffle plate.Breaker closes Lock, baffle plate are located at leftward position, and the handle hole of disconnecting switch and earthed switch is blocked, and disconnecting switch and earthed switch can not be grasped Make;Breaker open operation, baffle plate are located at right positions, and the handle hole of disconnecting switch and earthed switch is opened, can be with operation isolation Switch or earthed switch.This interlocking mechanism is simple in construction, and connection is reliable, convenient to install and maintain, is easy to inspection, and manufacturing cost is low, It is non-maintaining, it is easy to promotion and implementation.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the breaker closing state three-dimensional view of the present invention;
Fig. 2 is the breaker closing state front view of the present invention;
Fig. 3 is the breaker open operation state front view of the present invention.
Mark and corresponding parts title in accompanying drawing:
1- mechanisms casing, 2- earthed switch actuating axles, 3- breaker actuating axles, 4- disconnecting switch actuating axles, 5- guide plates, 6- baffle plates, 7- arm-ties, 8- connecting levers.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment
As shown in Figure 1 to Figure 3, a kind of high-voltage combined electrical apparatus disconnecting switch of the present invention and breaker interlocking mechanism, including machine Structure casing 1, disconnecting switch actuating axle 4, earthed switch actuating axle 2, breaker actuating axle 3, breaker electromagnetic operating mechanism, isolation Switch actuating axle 4, earthed switch actuating axle 2, the parallel peace being set on the front and rear side plate of mechanism casing 1 of breaker actuating axle 3 Fill in hole, disconnecting switch actuating axle 4 and the front end of earthed switch actuating axle 2 are provided with handle hole, and handle hole is used for manual by handle Division disconnecting switch and earthed switch.Disconnecting switch actuating axle 4 is located at the surface of earthed switch actuating axle 2, breaker actuating Axle 3 is located at the right side of disconnecting switch actuating axle 4, and breaker actuating axle 3 is pushed away by transmission arm and breaker electromagnetism actuating structure Bar connects, and breaker electromagnetic operating mechanism drives breaker actuating axle 3 to rotate back and forth motion by transmission arm.Breaker closing, The push rod of breaker electromagnetic operating mechanism moves upwards, and breaker actuating axle follows transmission arm to turn clockwise set angle;It is disconnected Road device separating brake, the push rod of breaker electromagnetic operating mechanism move downward, and breaker actuating axle follows transmission arm rotate counterclockwise to set Determine angle.Breaker electromagnetic operating mechanism is not the designing points of the present invention, is repeated herein not to this.Before mechanism casing 1 Guide plate 5 is fixedly installed on side plate, guide plate 5 is completely covered by the behaviour of disconnecting switch actuating axle 4 and earthed switch actuating axle 2 Make hole, guide plate 5 is provided with two through holes, two through holes behaviour with disconnecting switch actuating axle 4 and earthed switch actuating axle 2 respectively Make that hole is concentric, the diameter of two through holes is more than the handle hole of disconnecting switch actuating axle 4 and earthed switch actuating axle 2, convenient behaviour Make handle insertion operation hole and carry out breaking-closing operating.The left and right sides of guide plate 5 is provided with strip pilot hole, and gear is provided with pilot hole Plate 6, the one end of baffle plate 6 are also fixedly connected with arm-tie 7, and the other end of arm-tie 7 is connected by connecting lever 8 with breaker actuating axle 3.Breaker During combined floodgate, breaker actuating axle 3 turns clockwise certain angle, and connecting lever 8 follows breaker actuating axle 3 to turn clockwise, turned The other end of arm 8 drives arm-tie 7 to left, arm-tie 7 drive baffle plate 6 to the left horizontal translation to precalculated position so that disconnecting switch The operation bore closure of actuating axle 4 and earthed switch actuating axle 2, it is opposite with above-mentioned activity direction during breaker open operation.
Preferred embodiment, the front side board of mechanism casing 1 are provided with guide finger, and the middle part of arm-tie 7 is provided with mutually fits with guide finger The strip hole matched somebody with somebody, the horizontal side-to-side movement on guide finger of arm-tie 7, arm-tie 7 are provided with straight pin, straight pin with the junction of connecting lever 8 Perpendicular to arm-tie 7, the straight pin junction of connecting lever 8 and arm-tie 7 is provided with slotted hole, and straight pin coordinates with slotted hole, and connecting lever 8 is another One end is provided with the cylindrical slotted hole being adapted with breaker actuating axle 3, and connecting lever 8 drives the left and right horizontal of arm-tie 7 to move by rotating It is dynamic.
Preferred embodiment, disconnecting switch actuating axle 4, earthed switch actuating axle 2, breaker actuating axle 3 and mechanism casing 1 Junction is arranged with flanged outer ring deep groove ball bearing, by setting flanged outer ring deep groove ball bearing to be used as installation support, effectively Reduce the frictional force between mechanism casing 1, reduce operation resistance, improve the stability of device.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include Within protection scope of the present invention.

Claims (3)

1. a kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism, including mechanism casing, disconnecting switch actuating axle, connect Ground switchs actuating axle, breaker actuating axle, breaker electromagnetic operating mechanism, it is characterised in that the disconnecting switch actuating axle, connect Ground switch actuating axle, breaker actuating axle is parallel is set on the front and rear side plate of the mechanism casing, the disconnecting switch actuating Axle and earthed switch actuating axle front end are provided with handle hole, the disconnecting switch actuating axle position directly over earthed switch actuating axle, On the right side of the disconnecting switch actuating axle, the breaker actuating axle is broken the breaker actuating axle position by transmission arm with described The push rod connection of road device electromagnetism actuating structure, the breaker electromagnetic operating mechanism drive the breaker by the transmission arm Actuating axle rotary motion, guide plate is fixedly installed on the mechanism case front side board, and the guide plate covers in described keep apart Close the handle hole of actuating axle and earthed switch actuating axle, the guide plate is provided with two through holes, the through hole respectively with it is described The handle hole of disconnecting switch actuating axle and earthed switch actuating axle is concentric, the through hole be more than the disconnecting switch actuating axle and The handle hole of earthed switch actuating axle, the guide plate left and right sides are provided with strip pilot hole, gear are provided with the pilot hole Plate, described baffle plate one end are also fixedly connected with arm-tie, and the arm-tie other end passes through connecting lever and the breaker actuating axis connection.
2. a kind of high-voltage combined electrical apparatus disconnecting switch according to claim 1 and breaker interlocking mechanism, it is characterised in that The front side board of the mechanism casing is provided with guide finger, and the strip hole being adapted with the guide finger is provided with the middle part of the arm-tie, The arm-tie horizontal side-to-side movement on the guide finger, the arm-tie is provided with straight pin with the connecting lever junction, described Straight pin is provided with slotted hole, straight pin and length perpendicular to the arm-tie, the straight pin junction of the connecting lever and the arm-tie Circular hole coordinates, and the connecting lever other end is provided with the slotted hole being adapted with the breaker actuating axle, and the connecting lever passes through rotation The arm-tie left and right horizontal is driven to move.
3. a kind of high-voltage combined electrical apparatus disconnecting switch according to claim 1 and breaker interlocking mechanism, it is characterised in that The disconnecting switch actuating axle, earthed switch actuating axle, breaker actuating axle and the mechanism casing junction are arranged with flange Outer ring deep groove ball bearing.
CN201711026341.6A 2017-10-27 2017-10-27 A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism Withdrawn CN107578937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711026341.6A CN107578937A (en) 2017-10-27 2017-10-27 A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711026341.6A CN107578937A (en) 2017-10-27 2017-10-27 A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism

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Publication Number Publication Date
CN107578937A true CN107578937A (en) 2018-01-12

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CN201711026341.6A Withdrawn CN107578937A (en) 2017-10-27 2017-10-27 A kind of high-voltage combined electrical apparatus disconnecting switch and breaker interlocking mechanism

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201359940Y (en) * 2008-12-30 2009-12-09 常州市明及电气技术开发有限公司 Interlocking mechanism of isolating switch and circuit breaker
CN203423091U (en) * 2013-06-28 2014-02-05 安徽明远电力设备制造有限公司 Anti-misoperation mechanism used for box-type high-voltage switchgear
CN203910593U (en) * 2014-05-27 2014-10-29 广东至胜电气有限公司 Interlocking mechanism used for isolation switch, circuit breaker and grounding switch of vacuum ring main unit
CN105244205A (en) * 2015-10-21 2016-01-13 张火明 Electric control interlocking device
CN206135283U (en) * 2016-10-27 2017-04-26 温州兴机电器有限公司 High tension switchgear's no. 5 prevents interlocking device
CN107180713A (en) * 2017-07-26 2017-09-19 安徽中电兴发与鑫龙科技股份有限公司 A kind of vacuum circuit breaker constructions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201359940Y (en) * 2008-12-30 2009-12-09 常州市明及电气技术开发有限公司 Interlocking mechanism of isolating switch and circuit breaker
CN203423091U (en) * 2013-06-28 2014-02-05 安徽明远电力设备制造有限公司 Anti-misoperation mechanism used for box-type high-voltage switchgear
CN203910593U (en) * 2014-05-27 2014-10-29 广东至胜电气有限公司 Interlocking mechanism used for isolation switch, circuit breaker and grounding switch of vacuum ring main unit
CN105244205A (en) * 2015-10-21 2016-01-13 张火明 Electric control interlocking device
CN206135283U (en) * 2016-10-27 2017-04-26 温州兴机电器有限公司 High tension switchgear's no. 5 prevents interlocking device
CN107180713A (en) * 2017-07-26 2017-09-19 安徽中电兴发与鑫龙科技股份有限公司 A kind of vacuum circuit breaker constructions

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Application publication date: 20180112

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