CN107171238A - A kind of safe intermediate switchgear cabinet - Google Patents

A kind of safe intermediate switchgear cabinet Download PDF

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Publication number
CN107171238A
CN107171238A CN201710564189.0A CN201710564189A CN107171238A CN 107171238 A CN107171238 A CN 107171238A CN 201710564189 A CN201710564189 A CN 201710564189A CN 107171238 A CN107171238 A CN 107171238A
Authority
CN
China
Prior art keywords
cabinet door
plate
cabinet
door
rear side
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.)
Granted
Application number
CN201710564189.0A
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Chinese (zh)
Other versions
CN107171238B (en
Inventor
洪碧尧
王建忠
林石生
黄文胜
洪友亮
谢俊聪
曾爱玉
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.)
Zhangzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
Zhangzhou Xinyuan Electric Power Engineering Co Ltd Electric Control Equipment Factory
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 Zhangzhou Xinyuan Electric Power Engineering Co Ltd Electric Control Equipment Factory filed Critical Zhangzhou Xinyuan Electric Power Engineering Co Ltd Electric Control Equipment Factory
Priority to CN201710564189.0A priority Critical patent/CN107171238B/en
Publication of CN107171238A publication Critical patent/CN107171238A/en
Application granted granted Critical
Publication of CN107171238B publication Critical patent/CN107171238B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/22Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The present invention is proposed at a kind of safe intermediate switchgear cabinet, the cabinet door of the switch cubicle provided with switch cubicle emergency trip operating mechanism, is easy under cabinet door closure state, partition door operation emergency trip button;Inside switch cabinet closes door state blocking mechanism provided with cabinet door, it can be ensured that can prevent cabinet door from opening under earthed switch off-state;Switch cubicle is additionally provided with cabinet door door opening state earthed switch operating shaft blocking mechanism, it can be ensured that prevent operating shaft from rotating in cabinet door opening, it is to avoid the situation for error operation of grounding switch occur occurs;The present invention has carried out abundant optimize to ensure attendant's safety at each cabinet door of switch cubicle for the manual mode operation of Field Force.

Description

A kind of safe intermediate switchgear cabinet
Technical field
The present invention relates to power supply unit field, especially a kind of safe intermediate switchgear cabinet.
Background technology
Intermediate switchgear cabinet is the common equipment in power supply unit, and often there is high voltage its inside, but this equipment often needs dimension again Shield personnel control, enter cabinet maintenance and visually observe manually, but cabinet inner high voltage is easy to form induced potential at cabinet door or even produced The raw electric arc that leaks(Arc light), therefore need at cabinet door fully to optimize the manual mode operation of personnel, to ensure attendant Manipulation safety.
The content of the invention
The present invention proposes a kind of safe intermediate switchgear cabinet, is the hand of Field Force at each cabinet door of switch cubicle Control operation has carried out abundant optimization to ensure attendant's safety.
The present invention uses following technical scheme.
At a kind of safe intermediate switchgear cabinet, the cabinet door of the switch cubicle machine is operated provided with switch cubicle emergency trip Structure;Inside switch cabinet closes door state blocking mechanism and cabinet door door opening state earthed switch operating shaft blocking mechanism provided with cabinet door.
The switch cubicle emergency trip operating mechanism includes being arranged at the installing plate on rear side of switch cubicle trip operation cabinet door, institute The side for stating installing plate is hinged with the hinged seat being arranged on rear side of cabinet door, is provided with installing plate and passes cabinet door from back to front It is located to be provided with the downside of hinged seat in the drive division rotated around hinged seat for drive installation plate, the cabinet door and wears from front to back Cross the activation button of cabinet door, the lower, transverse of the installing plate be provided with one end after installing plate is rotated be located on rear side of activation button and The other end is located at the sliding bar on front side of emergency trip button.
The cabinet door door opening state earthed switch operating shaft blocking mechanism, including be longitudinally disposed in switch cubicle for driving The operation rotating shaft that earthed switch is opened and closed, the front end of the operation rotating shaft is provided with driving termination and stretched out on front side of switch cubicle, behaviour The rear end for making rotating shaft is supported on rear side of switch cubicle on the doorframe of cabinet door, in the rearward end of the operation rotating shaft and positioned at the interior of doorframe Side is provided with snap close piece, and the upper end side of the snap close piece, which is set, is located at snap close piece in the breach to lower recess, the switch cubicle Upside be vertically arranged with an elastic slide bar, the rear end of the elastic slide bar is stretched out and rear by the doorframe of cabinet door on rear side of switch cubicle Sidecar door lock is connected to when closing in rear side cabinet door, is provided with elastic slide bar for sliding with elasticity in rear side cabinet door opening Bar is moved rearwards by and fallen into the positive stop for being engaged in breach with snap close piece and stopping operation axis of rotation.
After the cabinet door closes door state blocking mechanism including being arranged on rear side of switch cubicle and being hinged with switch cubicle side Sidecar door;The vertical front side portion being provided with hook plate, the hook plate of the opposite side of the cabinet door, which is provided with neck, the doorframe, to be located at The side of operation rotating shaft longitudinally offers the notch penetrated for hook plate in switch cubicle, and a side of the snap close piece is provided with use Stopper protrusion in embedded neck.
At the switch cubicle emergency trip operating mechanism, the top of the side of installing plate one is provided with the hinge stretched out Socket part, the upper and lower sides of the articulated section are respectively arranged with the flanging turned to rear side, the hinged seat and are vertically equipped with upper and lower side It is each passed through the bearing pin of articulated section flanging;It is equipped with that a side is connected on hinged seat and the other end is connected in the middle part of the bearing pin Torsion spring on articulated section;Lug boss forward is provided with front side of flanging on the upside of articulated section, the lug boss is from back to front Pass the notch being arranged in cabinet door and be connected with a drive rod, the other end of the drive rod is fixed with insulated handle to be formed Drive division;The sliding bar includes sleeve, and the two side ends of the installing plate bottom are respectively arranged with the folded plate turned to rear side, institute The two ends for stating sleeve pipe pass bifoldable plate respectively, and one end of sleeve pipe is bolted with anterior regulating bolt, after the other end of sleeve pipe is bolted with Portion's regulating bolt, the other end of the rear portion regulating bolt is fixed with collets;It is nested with described sleeve pipe between bifoldable plate There is the gag lever post for being also radially equipped with and being abutted against with back-moving spring one end on back-moving spring, sleeve pipe;One end of the sliding bar exists Installing plate is abutted against after rotating with activation button, and the activation button is insulation button.
Switch cubicle, which is used to observe to be provided with observation window, observation window at the cabinet door of operating mode in cabinet, is provided with protection against electric shock structure;It is described Protection against electric shock structure at observation window includes window body glass, ground strip and earth cable;Interlayer, the folder are set in the window body glass Layer is built with wire netting;The wire netting is connected with earth cable with ground strip;The ground strip is fixed in cabinet door, ground strip Conducting position connect with the conducting position of cabinet door;At protection against electric shock structure at the observation window, the ground strip is solid with bolt Due in cabinet door, the conducting position of ground strip connects through bolt with the metal part of cabinet door;The window body glass is by layer glass It is put together;The window body glass is installed on the inside of door of switch cabinet, is offered at the cabinet door adjacent with window body glass multiple big Shape hole is used to observe operating mode in cabinet;The window body glass is safety glass;The ground strip quantity is two and is parallel to each other, described Window body glass is gripped by two ground strips, and window body glass is adjacent and parallel with cabinet door with cabinet door inner face.
At the cabinet door door opening state earthed switch operating shaft blocking mechanism, it is provided with and turns on the doorframe of the rear side cabinet door To the folded plate of inner side, the fixed plate for installing elastic slide bar, the front and rear side difference of the fixed plate are provided with the folded plate It is provided with flanging;The elastic slide bar includes front end and is provided with the body of rod of spacing block set, the body of rod from front to back longitudinally through Two flangings of fixed plate and the doorframe for passing rear side cabinet door, the positive stop are fixed on the body of rod and positioned at two foldings of fixed plate It is located between side, on the body of rod between the flanging on front side of positive stop and fixed plate and is also equipped with stage clip;The positive stop It is fixed on through tight fixed bolt on the body of rod;The fixed plate is fixed on folded plate through locking bolt, the flanging on front side of fixed plate Bottom be additionally provided with for operating shaft longitudinally through through hole.
The cabinet door is closed at door state blocking mechanism, and being hung down on the doorframe positioned at the side of notch is provided with supporting plate, described The damping sealing strap abutted against when closing door state for rear side cabinet door with rear side cabinet door is provided with the back end surface of supporting plate;Institute Snap close piece is stated to be fixed on through radial direction tight fixed bolt in the rear end of operation rotating shaft;It is additionally provided with the doorframe and rear side cabinet door The latching device being engaged;The latching device includes being provided with the plumbing bar being located on doorframe, the rear side cabinet door and is used for The through hole that plumbing bar is passed, is additionally provided with the clamping block passed for plumbing bar on the trailing flank of rear side cabinet door, and the plumbing bar is worn Go out on the end of clamping block to be provided with for locking the through hole that plug-in unit is passed through;The locking plug-in unit is lock pin or latch.
The port of rotating shaft manipulation cabinet door of the driving termination on front side of switch cubicle stretches out, and is set on the leading flank of the cabinet door It is equipped with fixed plate, the fixed plate and is provided with the mounting hole corresponding with port, is provided with the mounting hole and stretches into port And through the spacing ring-shaped rubber seal of cabinet door, capping has a pressing plate on the front side port of ring-shaped rubber seal, described One end of pressing plate is hinged with fixed plate, and the other end of pressing plate is provided with the latch-up structure being engaged with the fixed plate other end.
The front end of the ring-shaped rubber seal is provided with annular protrusion, and the rear end of ring-shaped rubber seal, which is provided with, to be stretched into Extension pipe portion in port, the lateral wall of the extension pipe portion is arranged at intervals with several spacing preiections on rear side of cabinet door, All portions of the port are arranged at intervals with several and are passed through for spacing preiection and realize ring after the rotation of ring-shaped rubber seal The spacing breach of shape rubber seal;The fixed plate is fixed through the rivet longitudinally through cabinet door, above and below the side of fixed plate one Portion is respectively arranged with the flanging turned to front side, and one end of the pressing plate, which is vertically provided with articulated section, the articulated section, to be provided with Upper and lower side is each passed through the hinging pin shaft of two flangings;The latch-up structure includes being arranged at the fixed plate other end and turning to front side First folded plate, the other end of the pressing plate is provided with right on the second folded plate turned to front side, first folded plate and the second folded plate Lock hole should be provided with;It is located in the cabinet door on rear side of port and is additionally provided with elastic caoutchouc shrouding, the elastic caoutchouc shrouding It is provided with for rotating the through hole that the drive end of screw rod is passed through.
In the present invention, emergency trip operating mechanism not only compact conformation, and being easy under cabinet door closure state, partition door behaviour Make emergency trip button, safe, speed is fast, is prevented effectively from potential safety hazard.
In the present invention, intermediate switchgear cabinet cabinet door door opening state earthed switch operating shaft blocking mechanism, the blocking mechanism is not Only compact conformation, and can prevent operating shaft from rotating in cabinet door opening, it is to avoid the feelings of error operation of grounding switch occur Condition occurs;So when personnel's drilling inside switch cabinet is safeguarded, as long as cabinet door is opened, earthed switch is to operate, and is opened The part closed in cabinet can just be in ground state all the time, be effectively protected personal security.
In the present invention, intermediate switchgear cabinet cabinet door is closed door state blocking mechanism and is not only simple in structure, and in earthed switch It can prevent cabinet door from opening under off-state, and the installation accuracy of cabinet door is required to reduce, save the workload of installation and debugging, Improve the production efficiency of switch cubicle.
The present invention is avoided that dust passes through by setting safeguard structure in the cabinet door passage port residing for driving termination external part Port enters in cabinet, so that the degree of protection at door of switch cabinet is promoted to IP4X, and also this safeguard structure can be prevented effectively Electric arc arc light leaks, prevent operating personnel switch cubicle annex, with regard near operation or tour when by electricity wound.
Brief description of the drawings
The present invention is described in more detail with reference to the accompanying drawings and detailed description:
Accompanying drawing 1a is the schematic diagram of switch cubicle emergency trip operating mechanism of the present invention;
Accompanying drawing 1b is the A-A cut-away illustrations of switch cubicle emergency trip operating mechanism of the present invention;
Accompanying drawing 1c is the B-B cut-away illustrations of switch cubicle emergency trip operating mechanism of the present invention;
Accompanying drawing 1d is the use schematic diagram of switch cubicle emergency trip operating mechanism of the present invention;
Accompanying drawing 2a is the schematic diagram that cabinet door of the present invention closes door state blocking mechanism(Earthed switch off-state);
Accompanying drawing 2b is the A-A cut-away illustrations that cabinet door of the present invention closes door state blocking mechanism;
Accompanying drawing 2c is the B-B cut-away illustrations that cabinet door of the present invention closes door state blocking mechanism;
Accompanying drawing 2d is the hook plate structural representation that cabinet door of the present invention closes door state blocking mechanism;
Accompanying drawing 3a is the schematic diagram of cabinet door door opening state earthed switch operating shaft blocking mechanism of the present invention;
Accompanying drawing 3b is the A-A cut-away illustrations of cabinet door door opening state earthed switch operating shaft blocking mechanism of the present invention;
Accompanying drawing 3c is the B-B cut-away illustrations of cabinet door door opening state earthed switch operating shaft blocking mechanism of the present invention;
Accompanying drawing 3d is the operating shaft released state schematic diagram of cabinet door door opening state earthed switch operating shaft blocking mechanism of the present invention;
Accompanying drawing 4a is the position view of the protection against electric shock structure of observation window of the present invention;
Accompanying drawing 4b is the enlarged diagram of the stretching passage port of present invention driving termination;
Accompanying drawing 4c is the schematic top plan view of the stretching passage port of present invention driving termination;
Accompanying drawing 4d is the B-B schematic cross-sectional views of the stretching passage port of present invention driving termination;
Accompanying drawing 4e is the port structural representation of the stretching passage port of present invention driving termination;
Accompanying drawing 4f is the structural representation of the stretching passage port ring-shaped rubber seal of present invention driving termination;
Accompanying drawing 5a is the schematic diagram of observation window protection against electric shock structure of the present invention;
Accompanying drawing 5b is the Mezzanine Map of observation window protection against electric shock structure of the present invention;
In Fig. 1 a-1d:1010- trip operation cabinet door 1011- notch 1020- installing plate 1021- articulated section 1022- roll over Side 1023- lug boss 1024- drive rod 1025- insulated handle 1026- folded plate 1030- hinged seats 1031- sells Axle 1032- torsion spring 1040- activation button 1050- sliding bar 1051- sleeve pipes 1052- front portions regulating bolt The regulating bolt 1054- collets 1055- back-moving spring 1056- gag lever post 1060- emergency trips of 1053- rear portions are pressed Button;
In Fig. 2 a-2d:Cabinet door 2011- doorframe 2012- notch 2013- supporting plate 2014- damping sealings on rear side of 2010- Bar 2020- operation rotating shaft 2030- hook plate 2031- notch 2032- locking bolt 2040- snap close pieces 2041- limits Position convex portion 2042- tight fixed bolt 2051- plumbing bar 2052- clamping block 2053- through holes;
In Fig. 3 a-3d:Cabinet door 3020- operations rotating shaft on rear side of 3010- switch cubicle 3011- doorframe 3012- folded plates 3013- The elastic slide bar 3041- bodies of rod of 3021- drivings termination 3022- insulating barrier 3030- snap close piece 3031- breach 3040- 3042- spacing block set 3043- stage clip 3044- tight fixed bolt 3050- positive stop 3060- fixed plates 3061- rolls over Side 3062- locking bolt 3063- through holes;
In Fig. 4 a-4f, 4010- rotating shafts manipulation cabinet door 4011- port 4012- breach 4013- rotates screw rod 4020- and consolidated Fixed board 4021- rivet 4022- flangings 4023- the first folded plate 4024- lock hole 4030- ring-shaped rubber seals 4031- annular protrusions 4032- extension pipe portion 4033- spacing preiection 4040- pressing plate 4041- articulated section 4042- hinges Pin axle 4043- the second folded plate 4044- lock hole 4050- elastic caoutchouc shroudings;
In Fig. 5 a-5b, 1- earth cables;The big shape holes of 2-;3- bolts;4- wire nettings;5- switch cubicles are used to observe operating mode in cabinet Cabinet door;6- window body glass;7- ground strips;8- interlayers.
Embodiment
As shown in drawings, it is tight provided with switch cubicle at a kind of safe intermediate switchgear cabinet, the cabinet door of the switch cubicle Jerk lock operating mechanism;Inside switch cabinet closes door state blocking mechanism and cabinet door door opening state earthed switch operating shaft provided with cabinet door Blocking mechanism.
The switch cubicle emergency trip operating mechanism includes being arranged at the installation of the rear side of switch cubicle trip operation cabinet door 1010 Plate 1020 a, side of the installing plate 1020 is hinged with being arranged at the hinged seat 1030 of the rear side of cabinet door 1010, installing plate It is provided with 1020 and passes cabinet door from back to front for the drive division that drive installation plate 1020 is rotated around hinged seat 1030, the cabinet The downside for being located at hinged seat 1030 on door 1010 is provided with the activation button 1040 for passing through cabinet door 1010 from front to back, described to install The lower, transverse of plate 1020 be provided with one end after installing plate 1020 is rotated be located at the rear side of activation button 1040 and the other end be located at it is tight The sliding bar 1050 of the anxious front side of trip button 1060.
The cabinet door door opening state earthed switch operating shaft blocking mechanism, including be longitudinally disposed in switch cubicle for driving The operation rotating shaft 3020 that earthed switch is opened and closed, the front end of the operation rotating shaft 3020 is provided with driving termination 3021 and by switch cubicle 3010 front sides are stretched out, and the rear end of operation rotating shaft 3020 is supported on rear side of switch cubicle on the doorframe of cabinet door 3013, the operation rotating shaft Rearward end on and be provided with snap close piece 3030 on the inside of the doorframe, the upper end side of the snap close piece 3030 is set to recessed It is located in sunken breach 3031, the switch cubicle on the upside of snap close piece and is vertically arranged with an elastic slide bar 3040, the elasticity is sliding The rear end of bar 3040 is stretched out and is connected in rear side cabinet door locking in rear side cabinet door, elasticity by the doorframe of cabinet door on rear side of switch cubicle It is provided with slide bar 3040 for being moved rearwards by and falling into elastic slide bar in rear side cabinet door opening in breach and lock Part is engaged the positive stop 3050 for stopping that operation rotating shaft 3020 is rotated.
After the cabinet door closes door state blocking mechanism including being arranged on rear side of switch cubicle and being hinged with switch cubicle side Sidecar door 2010;The vertical front side portion being provided with hook plate 2030, the hook plate 2030 of the opposite side of the cabinet door is provided with neck, institute Stating to be located on doorframe 2011 operates the side of rotating shaft 2020 longitudinally to offer the notch penetrated for hook plate 2030 in switch cubicle 2012, a side of the snap close piece 2040 is provided with the stopper protrusion 2041 for being embedded in neck.
At the switch cubicle emergency trip operating mechanism, the top of the side of installing plate 1,020 1, which is provided with, to stretch out Articulated section 1021, the upper and lower sides of the articulated section 1021 are respectively arranged with the flanging 1022 turned to rear side, the hinged seat Vertically the bearing pin 1031 that upper and lower side is each passed through articulated section flanging 1022 is equipped with 1030;The middle part of bearing pin 1031 is equipped with One side is connected on hinged seat 1030 and the other end is connected to the torsion spring 1032 on articulated section;Positioned at the upside of articulated section 1021 Lug boss 1023 forward is provided with front side of flanging, the lug boss 1023 passes the notch being arranged in cabinet door from back to front 1011 and a drive rod 1024 is connected with, the other end of the drive rod is fixed with insulated handle 1025 to form drive division;Institute Stating sliding bar 1050 includes sleeve 1051, and the two side ends of the bottom of installing plate 1020 are respectively arranged with the folded plate turned to rear side 1026, the two ends of described sleeve pipe 1051 pass bifoldable plate 1026 respectively, and one end of sleeve pipe 1051 is bolted with anterior regulating bolt 1052, the other end of sleeve pipe is bolted with rear portion regulating bolt 1053, and the other end of the rear portion regulating bolt 1053 is fixed with absolutely Edge block 1054;It is equipped with back-moving spring 1055, sleeve pipe 1051 and is also radially worn between bifoldable plate in described sleeve pipe 1051 There is the gag lever post 1056 abutted against with the one end of back-moving spring 1055;One end of the sliding bar 1050 is after the rotation of installing plate 1020 Abutted against with activation button 1040, the activation button 1040 is insulation button.
The Protective lock covered in activation button is additionally provided with the cabinet door.
Switch cubicle, which is used to observe to be provided with observation window, observation window at the cabinet door 5 of operating mode in cabinet, is provided with protection against electric shock structure;It is described Protection against electric shock structure at observation window includes window body glass 6, ground strip 7 and earth cable 1;Interlayer 8, institute are set in the window body glass Interlayer is stated built with wire netting 4;The wire netting 4 is connected with earth cable 1 with ground strip 7;The ground strip 7 is fixed on cabinet door On 5, the conducting position of ground strip 7 connects with the conducting position of cabinet door;At protection against electric shock structure at the observation window, the ground connection Piece is fixed in cabinet door 5 with bolt 3, and the conducting position of ground strip connects through bolt with the metal part of cabinet door;The forms glass Glass is put together by layer glass;The window body glass is installed on the inside of door of switch cabinet, at the cabinet door adjacent with window body glass Offering multiple big shape holes 2 is used to observe operating mode in cabinet;The window body glass is safety glass;The ground strip quantity be two and It is parallel to each other, the window body glass is gripped by two ground strips, window body glass is adjacent and parallel with cabinet door with cabinet door inner face.
At the cabinet door door opening state earthed switch operating shaft blocking mechanism, set on the doorframe 3011 of the rear side cabinet door There is the fixed plate 3060 being provided with the folded plate 3012 turned to inner side, the folded plate 3012 for installing elastic slide bar, it is described solid The front and rear side of fixed board is respectively arranged with flanging 3061;The elastic slide bar 3040 includes the bar that front end is provided with spacing block set 3042 Body 3041, the body of rod 3,041 two flangings 3061 from front to back longitudinally through fixed plate 3060 and the doorframe for passing rear side cabinet door 3011, the positive stop 3050 is fixed on the body of rod and between two flangings 3061 of fixed plate, is located on the body of rod Stage clip 3043 is also equipped between flanging 3061 on front side of positive stop 3050 and fixed plate;The positive stop 3050 is through tightening Bolt 3044 is fixed on the body of rod 3041;The fixed plate 3060 is fixed on folded plate 3012 through locking bolt 3062, positioned at solid Flanging bottom on front side of fixed board be additionally provided with for operating shaft longitudinally through through hole 3063.
The cabinet door is closed at door state blocking mechanism, is hung down on the doorframe 2011 positioned at the side of notch 2012 provided with support With rear side cabinet door phase when being provided with plate 2013, the back end surface of the supporting plate 2013 for the conjunction door state of rear side cabinet door 2010 The damping sealing strap 2014 of abutting;The snap close piece 2040 is fixed on the rear side of operation rotating shaft 2020 through radial direction tight fixed bolt 2042 On end;The latching device being engaged with rear side cabinet door 2010 is additionally provided with the doorframe 2011;The latching device includes It is located in the plumbing bar 2051 on doorframe 2011, the rear side cabinet door 2010 and is provided with the through hole passed for plumbing bar 2051, position In being additionally provided with the clamping block 2052 that is passed for plumbing bar 2051 on the trailing flank of rear side cabinet door 2010, the plumbing bar 2051 is passed It is provided with the end of clamping block 2052 for locking the through hole 2053 that plug-in unit is passed through;The locking plug-in unit is lock pin or latch.
The port 4011 of rotating shaft manipulation cabinet door 4010 of the driving termination on front side of switch cubicle stretches out, the cabinet door 4010 Leading flank on be provided with fixed plate 4020, the fixed plate 4020 and be provided with the mounting hole corresponding with port 4011, institute State to be provided with mounting hole and stretch into port 4011 and through the spacing ring-shaped rubber seal 4030 of cabinet door, positioned at ring-shaped rubber sealing Capping has a pressing plate 4040 on the front side port of part 4030, and one end and the fixed plate 4020 of the pressing plate 4040 are hinged, pressing plate 4020 other end is provided with the latch-up structure being engaged with the other end of fixed plate 4020.
The front end of the ring-shaped rubber seal 4030 is provided with after annular protrusion 4031, ring-shaped rubber seal 4030 End is provided with the extension pipe portion 4032 stretched into port, and the lateral wall of the extension pipe portion 4032 is arranged at intervals with several and is located at Spacing preiection 4033 on rear side of cabinet door, all portions of the port 4011 are arranged at intervals with several and passed through for spacing preiection 4033 And realize the spacing breach 4012 of ring-shaped rubber seal after the rotation of ring-shaped rubber seal;The fixed plate 4020 is through longitudinal direction Rivet through cabinet door 4010 is fixed, and the top and the bottom of the side of fixed plate 4,020 1 are respectively arranged with the flanging 4022 turned to front side, One end of the pressing plate 4040, which is vertically provided with, to be provided with upper and lower side in articulated section 4041, the articulated section 4041 and is each passed through two The hinging pin shaft 4042 of flanging;The latch-up structure includes being arranged at the fixed plate other end and turns the first folded plate to front side 4023, the other end of the pressing plate is provided with the second folded plate 4043 turned to front side, the folded plate of the first folded plate 4023 and second Lock hole 4024 is correspondingly arranged on 4043;It is located in the cabinet door on rear side of port and is additionally provided with elastic caoutchouc shrouding 4050, institute State and be provided with elastic caoutchouc shrouding 4050 for rotating the through hole that the drive end of screw rod is passed through.
Embodiment 1:
The application method of switch cubicle emergency trip operating mechanism is as follows;Installing plate original state is the trailing flank for being covered in cabinet door On.During operation, installing plate is rotated 90 ° around hinged seat by insulated handle, make installing plate and cabinet door in vertical state, while separately One hand promotes activation button from front to back, so that sliding bar is slided backward, the other end of sliding bar is driven emergency trip Button.After the completion of operation, insulated handle is unclamped, installing plate is that can be resetted under the active force of torsion spring.
Embodiment 2:
Cabinet door close door state blocking mechanism method of work be;After rear side cabinet door closure, hook plate stretches into switch cubicle by notch not to be had, Now the mechanism allows earthed switch(Earthing knife-switch)Operation, user will operate rotating shaft to rotate counterclockwise 90 °, complete earthed switch Opening operation, after earthed switch disconnects, cabinet door is to be locked to open, and is now fixed on the lock in operation rotating shaft rearward end The locking of sidecar door after the completion of in the neck of the stopper protrusion insertion hook plate of part.When need to open rear side cabinet door, it is necessary to turn clockwise Dynamic operation rotating shaft closes earthed switch, and now the stopper protrusion of snap close piece is disengaged with neck, could open rear side cabinet door.
Embodiment 3:
The working method of cabinet door door opening state earthed switch operating shaft blocking mechanism is;Safeguarded when maintainer need to enter in cabinet When, close earthed switch first(Earthing knife-switch is grounded), rear side cabinet door is then turned on, elastic slide bar is under the active force of stage clip to opening The rear side for closing cabinet is slided, and blocks snap close piece so that positive stop is fallen into the breach of snap close piece, so that operation turns Axle can not be rotated, and lock ground state, it is to avoid the situation generation that maloperation operation rotating shaft causes earthed switch to disconnect, protection occur Enter the safety of cabinet personnel;After personnel's maintenance, which is finished, to be left out of cabinet, the rear side cabinet door of closure switch cabinet, rear side cabinet door is connected to Cause elastic slide bar forward slip on elastic slide bar rear end, now spacing block set is deviate from from breach, operation rotating shaft can be rotated, Operation can be now turned off to earthed switch.
Embodiment 4:
When needing to carry out turn to driving termination to drive operation rotating shaft, pressing plate 4040 is opened;With handle and driving termination pair Connect and rotate manually.

Claims (7)

1. a kind of safe intermediate switchgear cabinet, it is characterised in that:It is urgent provided with switch cubicle at the cabinet door of the switch cubicle Trip operation mechanism;Inside switch cabinet closes door state blocking mechanism provided with cabinet door and cabinet door door opening state earthed switch operating shaft is closed Latch mechanism;
The switch cubicle emergency trip operating mechanism includes being arranged at the installing plate on rear side of switch cubicle trip operation cabinet door, the peace The side and the hinged seat that is arranged on rear side of cabinet door for filling plate are hinged, and are provided with installing plate and pass cabinet door from back to front and be used for It is located to be provided with the downside of hinged seat in the drive division that drive installation plate is rotated around hinged seat, the cabinet door and passes through cabinet from front to back The activation button of door, the lower, transverse of the installing plate is provided with one end after installing plate is rotated and is located at activation button rear side and another End is located at the sliding bar on front side of emergency trip button;
The cabinet door door opening state earthed switch operating shaft blocking mechanism, including be longitudinally disposed in switch cubicle for driving ground connection The operation rotating shaft opened and closed is switched, the front end of the operation rotating shaft is provided with driving termination and stretched out on front side of switch cubicle, and operation turns The rear end of axle is supported on rear side of switch cubicle on the doorframe of cabinet door, is set in the rearward end of the operation rotating shaft and on the inside of doorframe Snap close piece is equipped with, the upper end side of the snap close piece is set in the breach to lower recess, the switch cubicle positioned at the upper of snap close piece Side is vertically arranged with an elastic slide bar, and the rear end of the elastic slide bar is stretched out and in rear side cabinet by the doorframe of cabinet door on rear side of switch cubicle Be connected to when door lock is closed rear side cabinet door on, be provided with elastic slide bar in rear side cabinet door opening with elastic slide bar to The positive stop for being engaged in breach with snap close piece and stopping operation axis of rotation is moved and fallen into afterwards;
The cabinet door, which closes door state blocking mechanism, to be included being arranged at the rear side cabinet being hinged on rear side of switch cubicle and with switch cubicle side Door;The vertical front side portion being provided with hook plate, the hook plate of the opposite side of the cabinet door, which is provided with neck, the doorframe, is located at operation The side of rotating shaft longitudinally offers the notch penetrated for hook plate in switch cubicle, and a side of the snap close piece is provided with for embedding Enter the stopper protrusion in neck.
2. a kind of safe intermediate switchgear cabinet according to claim 1, it is characterised in that:The switch cubicle is urgent At trip operation mechanism, the top of the side of installing plate one is provided with above and below the articulated section stretched out, the articulated section Side, which is respectively arranged with the flanging turned to rear side, the hinged seat, is vertically equipped with the pin that upper and lower side is each passed through articulated section flanging Axle;It is equipped with that a side is connected on hinged seat and the other end is connected to the torsion spring on articulated section in the middle part of the bearing pin;Positioned at hinge Lug boss forward is provided with front side of flanging on the upside of socket part, the lug boss passes the notch being arranged in cabinet door from back to front And a drive rod is connected with, the other end of the drive rod is fixed with insulated handle to form drive division;The sliding bar includes Sleeve, the two side ends of the installing plate bottom are respectively arranged with the folded plate turned to rear side, and the two ends of described sleeve pipe are passed respectively Bifoldable plate, one end of sleeve pipe is bolted with anterior regulating bolt, and the other end of sleeve pipe is bolted with rear portion regulating bolt, and the rear portion is adjusted The other end of section bolt is fixed with collets;It is equipped with described sleeve pipe between bifoldable plate on back-moving spring, sleeve pipe and goes back footpath The gag lever post abutted against to being equipped with back-moving spring one end;One end of the sliding bar installing plate rotation after with activation button Abut against, the activation button is insulation button.
3. a kind of safe intermediate switchgear cabinet according to claim 1, it is characterised in that:Switch cubicle is used to observe It is provided with cabinet at the cabinet door of operating mode at observation window, observation window and is provided with protection against electric shock structure;Protection against electric shock structure bag at the observation window Include window body glass, ground strip and earth cable;Interlayer is set in the window body glass, the interlayer is built with wire netting;The gold Category net is connected with earth cable with ground strip;The ground strip is fixed in cabinet door, the conducting position of ground strip and leading for cabinet door Electric position connects;At protection against electric shock structure at the observation window, the ground strip is fixed in cabinet door with bolt, and ground strip is led Electric position connects through bolt with the metal part of cabinet door;The window body glass is put together by layer glass;The window body glass It is installed on the inside of door of switch cabinet, multiple big shape holes are offered at the cabinet door adjacent with window body glass to be used to observe operating mode in cabinet; The window body glass is safety glass;The ground strip quantity is two and is parallel to each other that the window body glass is by two ground strips Grip, window body glass is adjacent and parallel with cabinet door with cabinet door inner face.
4. a kind of safe intermediate switchgear cabinet according to claim 1, it is characterised in that:The cabinet door enabling shape At state earthed switch operating shaft blocking mechanism, the folded plate turned to inner side, the folded plate are provided with the doorframe of the rear side cabinet door On be provided with fixed plate for installing elastic slide bar, the front and rear side of the fixed plate is respectively arranged with flanging;The elasticity is sliding Bar includes front end and is provided with the body of rod of spacing block set, the body of rod two flangings from front to back longitudinally through fixed plate and after passing The doorframe of sidecar door, the positive stop is fixed on the body of rod and between two flangings of fixed plate, is located on the body of rod Stage clip is also equipped between flanging on front side of positive stop and fixed plate;The positive stop is fixed on the body of rod through tight fixed bolt On;The fixed plate is fixed on folded plate through locking bolt, and the flanging bottom on front side of fixed plate is additionally provided with for operating Axle longitudinally through through hole.
5. a kind of safe intermediate switchgear cabinet according to claim 1, it is characterised in that:The cabinet door closes gate-shaped Hang down to being provided with supporting plate, the back end surface of the supporting plate positioned at the side of notch at state blocking mechanism, on the doorframe and set There is the damping sealing strap abutted against when closing door state for rear side cabinet door with rear side cabinet door;The snap close piece is through radial direction tight fixed bolt In the rear end for being fixed on operation rotating shaft;The latching device being engaged with rear side cabinet door is additionally provided with the doorframe;It is described Latching device includes being provided with the through hole passed for plumbing bar in the plumbing bar being located on doorframe, the rear side cabinet door, after being located at The clamping block passed for plumbing bar is additionally provided with the trailing flank of sidecar door, the plumbing bar is passed and is provided with the end of clamping block For locking the through hole that plug-in unit is passed through;The locking plug-in unit is lock pin or latch.
6. a kind of safe intermediate switchgear cabinet according to claim 1, it is characterised in that:The driving termination from The port of rotating shaft manipulation cabinet door on front side of switch cubicle is stretched out, and fixed plate, the fixed plate are provided with the leading flank of the cabinet door On be provided with the mounting hole corresponding with port, the mounting hole to be provided with and stretch into port and through the spacing ring-shaped rubber of cabinet door Seal, capping has a pressing plate on the front side port of ring-shaped rubber seal, and one end of the pressing plate is mutually cut with scissors with fixed plate Connect, the other end of pressing plate is provided with the latch-up structure being engaged with the fixed plate other end.
7. a kind of safe intermediate switchgear cabinet according to claim 6, it is characterised in that:The ring-shaped rubber is close The front end of sealing is provided with annular protrusion, and the rear end of ring-shaped rubber seal is provided with the extension pipe portion stretched into port, described The lateral wall of extension pipe portion is arranged at intervals with several spacing preiections on rear side of cabinet door, and all portions of the port are arranged at intervals There are several to be passed through for spacing preiection and realize the spacing breach of ring-shaped rubber seal after the rotation of ring-shaped rubber seal; The fixed plate is fixed through the rivet longitudinally through cabinet door, and the top and the bottom of the side of fixed plate one are respectively arranged with the folding turned to front side Side, one end of the pressing plate, which is vertically provided with articulated section, the articulated section, is provided with the hinge that upper and lower side is each passed through two flangings Pin axle;The latch-up structure includes being arranged at the fixed plate other end and turns the first folded plate to front side, the pressing plate it is another End is provided with the second folded plate turned to front side, first folded plate and the second folded plate and is correspondingly arranged on lock hole;The cabinet door The upper port rear side that is located at is additionally provided with the driving being provided with elastic caoutchouc shrouding, the elastic caoutchouc shrouding for rotating screw rod Hold through through hole.
CN201710564189.0A 2017-07-12 2017-07-12 High middle-mounted switch cabinet of security Active CN107171238B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107994462A (en) * 2017-12-29 2018-05-04 苏州帝奥电梯有限公司 Car top wiring cabinet
CN111769463A (en) * 2020-07-10 2020-10-13 江西明正变电设备有限公司 Outdoor high-voltage metering box protection device and use method thereof
CN111816475A (en) * 2020-09-01 2020-10-23 广东电网有限责任公司东莞供电局 Mechanical emergency brake-separating device
CN112234440A (en) * 2020-12-15 2021-01-15 国网山东省电力公司潍坊供电公司 Switch cabinet and operation method
CN114360942A (en) * 2021-12-30 2022-04-15 贵州电网有限责任公司 Active defense device and method for malignant misoperation of secondary equipment

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742881A (en) * 1953-02-06 1956-01-04 English Electric Co Ltd Improvements in and relating to a closure for an electric switch cabinet
CN1046819A (en) * 1989-04-24 1990-11-07 镇江市电工器材厂 Program-controlled linked lock for handcart-type switch cabinet
CN201352690Y (en) * 2009-02-09 2009-11-25 厦门明翰电气有限公司 Five-prevention locking device of switch cabinet
CN201528125U (en) * 2009-08-05 2010-07-14 四川兴盛电器设备有限公司 Interlocking mechanism for armoured central-positioned switch device cabinet door
CN102290709A (en) * 2011-08-11 2011-12-21 栾川县电业局 Rear door interlocking of high voltage switch cabinet
CN202094009U (en) * 2011-06-22 2011-12-28 福州天宇电气股份有限公司 Anti-misoperation interlocking device for switchgear door
CN203466105U (en) * 2013-08-01 2014-03-05 河南省电力公司信阳供电公司 Switch cabinet rear door interlocking mechanism
CN203589571U (en) * 2013-11-13 2014-05-07 朝阳当凯电力开关有限公司 High-voltage switch cabinet with modular operating mechanism
KR101431659B1 (en) * 2014-03-05 2014-08-20 에이치제이산전(주) Distribution switchboard with multi protection device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742881A (en) * 1953-02-06 1956-01-04 English Electric Co Ltd Improvements in and relating to a closure for an electric switch cabinet
CN1046819A (en) * 1989-04-24 1990-11-07 镇江市电工器材厂 Program-controlled linked lock for handcart-type switch cabinet
CN201352690Y (en) * 2009-02-09 2009-11-25 厦门明翰电气有限公司 Five-prevention locking device of switch cabinet
CN201528125U (en) * 2009-08-05 2010-07-14 四川兴盛电器设备有限公司 Interlocking mechanism for armoured central-positioned switch device cabinet door
CN202094009U (en) * 2011-06-22 2011-12-28 福州天宇电气股份有限公司 Anti-misoperation interlocking device for switchgear door
CN102290709A (en) * 2011-08-11 2011-12-21 栾川县电业局 Rear door interlocking of high voltage switch cabinet
CN203466105U (en) * 2013-08-01 2014-03-05 河南省电力公司信阳供电公司 Switch cabinet rear door interlocking mechanism
CN203589571U (en) * 2013-11-13 2014-05-07 朝阳当凯电力开关有限公司 High-voltage switch cabinet with modular operating mechanism
KR101431659B1 (en) * 2014-03-05 2014-08-20 에이치제이산전(주) Distribution switchboard with multi protection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107994462A (en) * 2017-12-29 2018-05-04 苏州帝奥电梯有限公司 Car top wiring cabinet
CN111769463A (en) * 2020-07-10 2020-10-13 江西明正变电设备有限公司 Outdoor high-voltage metering box protection device and use method thereof
CN111816475A (en) * 2020-09-01 2020-10-23 广东电网有限责任公司东莞供电局 Mechanical emergency brake-separating device
CN112234440A (en) * 2020-12-15 2021-01-15 国网山东省电力公司潍坊供电公司 Switch cabinet and operation method
CN112234440B (en) * 2020-12-15 2023-03-24 国网山东省电力公司潍坊供电公司 Switch cabinet and operation method
CN114360942A (en) * 2021-12-30 2022-04-15 贵州电网有限责任公司 Active defense device and method for malignant misoperation of secondary equipment

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