CN107171238B - High middle-mounted switch cabinet of security - Google Patents
High middle-mounted switch cabinet of security Download PDFInfo
- Publication number
- CN107171238B CN107171238B CN201710564189.0A CN201710564189A CN107171238B CN 107171238 B CN107171238 B CN 107171238B CN 201710564189 A CN201710564189 A CN 201710564189A CN 107171238 B CN107171238 B CN 107171238B
- Authority
- CN
- China
- Prior art keywords
- cabinet door
- cabinet
- plate
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a high-safety central switch cabinet.A switch cabinet emergency trip operation mechanism is arranged at a cabinet door of the switch cabinet, so that an emergency trip button can be operated by a partition door conveniently when the cabinet door is closed; a cabinet door closing state locking mechanism is arranged in the switch cabinet, so that the opening of the cabinet door can be prevented under the disconnection state of the grounding switch; the switch cabinet is also provided with a cabinet door opening state grounding switch operating shaft locking mechanism which can ensure that the operating shaft is prevented from rotating when the cabinet door is in an opening state, and avoid the occurrence of misoperation of the grounding switch; the invention fully optimizes the manual control operation of field personnel at each cabinet door of the switch cabinet to ensure the safety of maintenance personnel.
Description
Technical Field
The invention relates to the field of power supply equipment, in particular to a middle-mounted switch cabinet with high safety.
Background
The middle-set switch cabinet is a common device in power supply equipment, and the interior of the switch cabinet is often high in voltage, but the device is often manually controlled by maintenance personnel, maintained by entering the cabinet and observed by naked eyes, but high voltage in the cabinet is easy to form induced potential at the position of a cabinet door and even generates an external leakage arc (arc light), so that manual control operation of the personnel at the position of the cabinet door needs to be fully optimized, and the control safety of the maintenance personnel is guaranteed.
Disclosure of Invention
The invention provides a high-safety central switch cabinet, which is characterized in that manual control operation of field personnel is fully optimized at each cabinet door of the switch cabinet to ensure the safety of maintenance personnel.
The invention adopts the following technical scheme.
A high-safety central switch cabinet is characterized in that a cabinet door of the switch cabinet is provided with a switch cabinet emergency tripping operation mechanism; a cabinet door closing state locking mechanism and a cabinet door opening state grounding switch operating shaft locking mechanism are arranged in the switch cabinet.
Cubical switchboard emergency tripping operation mechanism is including setting up in the mounting panel of cubical switchboard tripping operation cabinet door rear side, a side of mounting panel is articulated mutually with the articulated seat that sets up in cabinet door rear side, is provided with on the mounting panel and wears out the cabinet door forward from the back and be used for driving the mounting panel around articulated seat pivoted drive division, the downside that lies in articulated seat on the cabinet door is provided with from the drive button who passes the cabinet door forward backward, the lower part of mounting panel transversely is provided with the mounting panel and rotates the slide bar that back one end lies in the drive button rear side and the other end lies in emergency tripping button front side.
Door state earthing switch operating axis blocked mechanical system that opens door, including vertically setting up the operation pivot that is used for driving earthing switch and opens and close in the cubical switchboard, the front end of operation pivot is provided with the drive end and stretches out by the cubical switchboard front side, and the rear end of operation pivot supports on the door frame of cubical switchboard rear side cabinet door, the inboard that just is located the door frame on the rear end portion of operation pivot is provided with the hasp piece, upper end one side of hasp piece sets up the breach of undercut, the upside that is located the hasp piece in the cubical switchboard vertically is provided with an elasticity slide bar, the butt is stretched out by the door frame of cubical switchboard rear side cabinet door and on the rear side cabinet door when rear side cabinet door locking butt is provided with on the elasticity slide bar and is used for blocking operation pivot pivoted limit stop along with the elasticity slide bar after-play rebound and fall into in the breach with hasp piece when rear side cabinet door opens the state.
The cabinet door closing state locking mechanism comprises a rear cabinet door which is arranged on the rear side of the switch cabinet and is hinged with one side of the switch cabinet; the opposite side of cabinet door hangs down and is equipped with the hook plate, the preceding lateral part on the hook plate is provided with the draw-in groove, the notch that is used for the hook plate to penetrate in the cubical switchboard is vertically seted up to one side that lies in the operation pivot on the door frame, one side end of hasp piece is provided with the spacing convex part that is used for imbedding in the draw-in groove.
At the emergency tripping operation mechanism of the switch cabinet, the upper part of one side end of the mounting plate is provided with a hinge part extending outwards, the upper side and the lower side of the hinge part are respectively provided with a hem turning towards the rear side, and a hinge pin with the upper end and the lower end penetrating through the hems of the hinge part is vertically arranged on the hinge seat in a penetrating manner; a torsion spring with one side end butted on the hinge seat and the other end butted on the hinge part is sleeved in the middle of the pin shaft; a forward protruding part is arranged on the front side of the folded edge on the upper side of the hinged part, the protruding part penetrates through a notch arranged on the cabinet door from back to front and is connected with a driving rod, and an insulating handle is fixed at the other end of the driving rod to form a driving part; the sliding rod comprises a sleeve, two side ends of the lower part of the mounting plate are respectively provided with a folded plate turning towards the rear side, two ends of the sleeve respectively penetrate through the two folded plates, one end of the sleeve is in threaded connection with a front adjusting bolt, the other end of the sleeve is in threaded connection with a rear adjusting bolt, and the other end of the rear adjusting bolt is fixed with an insulating block; a return spring is sleeved between the two folded plates on the sleeve, and a limiting rod which is abutted against one end of the return spring is radially arranged on the sleeve in a penetrating manner; one end of the sliding rod is abutted to the driving button after the mounting plate rotates, and the driving button is an insulating button.
An observation window is arranged at a cabinet door of the switch cabinet for observing working conditions in the cabinet, and an electric shock prevention structure is arranged at the observation window; the electric shock prevention structure at the observation window comprises window body glass, a grounding sheet and a grounding cable; an interlayer is arranged in the window body glass, and a metal net is arranged in the interlayer; the metal net is connected with the grounding sheet through a grounding cable; the grounding piece is fixed on the cabinet door, and the conductive part of the grounding piece is connected with the conductive part of the cabinet door; at the electric shock prevention structure of the observation window, the grounding sheet is fixed on the cabinet door through a bolt, and the conductive part of the grounding sheet is connected with the metal part of the cabinet door through the bolt; the window body glass is formed by splicing two layers of glass; the window glass is arranged on the inner side of the cabinet door of the switch cabinet, and a plurality of large holes for observing the working condition in the cabinet are formed in the position of the cabinet door adjacent to the window glass; the window glass is toughened glass; the window body glass is clamped and fixed by the two grounding pieces, and the window body glass is adjacent to the inner face of the cabinet door and is parallel to the cabinet door.
At the locking mechanism of the grounding switch operating shaft in the door opening state of the cabinet door, a door frame of the rear cabinet door is provided with a folded plate turning inwards, the folded plate is provided with a fixed plate for mounting an elastic sliding rod, and the front side and the rear side of the fixed plate are respectively provided with folded edges; the elastic sliding rod comprises a rod body, the front end of the rod body is provided with a limiting lug, the rod body longitudinally penetrates through two folded edges of the fixed plate from front to back and penetrates out of a door frame of the rear cabinet door, the limiting stop block is fixed on the rod body and positioned between the two folded edges of the fixed plate, and a pressure spring is sleeved between the limiting stop block and the folded edge on the front side of the fixed plate on the rod body; the limit stop block is fixed on the rod body through a fastening bolt; the fixing plate is fixed on the folded plate through a locking bolt, and a through hole for the operation shaft to longitudinally pass through is formed in the lower portion of the folded edge positioned on the front side of the fixing plate.
A supporting plate is vertically arranged on one side of the notch on the door frame at the position of the door closing state locking mechanism of the cabinet door, and a damping sealing strip used for abutting against the rear side cabinet door when the rear side cabinet door is in a door closing state is arranged on the rear side end face of the supporting plate; the locking fastener is fixed on the rear side end part of the operating rotating shaft through a radial fastening bolt; the door frame is also provided with a locking mechanism matched with the rear side cabinet door; the locking mechanism comprises a vertical rod vertically arranged on the door frame, a through hole for the vertical rod to penetrate out is formed in the rear side cabinet door, a locking block for the vertical rod to penetrate out is further arranged on the rear side face of the rear side cabinet door, and a through hole for the locking plug-in unit to penetrate through is formed in the end part of the vertical rod penetrating out of the locking block; the locking plug-in is a lock pin or a bolt.
The switch cabinet is characterized in that the driving end head is extended out of a through hole of the cabinet door controlled by a rotating shaft on the front side of the switch cabinet, a fixing plate is arranged on the front side face of the cabinet door, a mounting hole corresponding to the through hole is formed in the fixing plate, an annular rubber sealing element which extends into the through hole and is limited by the cabinet door is mounted on the mounting hole, a pressing plate is covered on a front side port of the annular rubber sealing element in a sealing mode, one end of the pressing plate is hinged to the fixing plate, and the other end of the pressing plate is provided with a locking structure matched with the other end of the fixing plate.
The front end of the annular rubber sealing element is provided with an annular bulge, the rear end of the annular rubber sealing element is provided with an extension pipe part extending into the through hole, the outer side wall of the extension pipe part is provided with a plurality of limiting bulges positioned at the rear side of the cabinet door at intervals, and the periphery of the through hole is provided with a plurality of gaps at intervals, wherein the gaps are used for the limiting bulges to penetrate through and realize the limiting of the annular rubber sealing element after the annular rubber sealing element rotates; the fixing plate is fixed by a rivet which longitudinally penetrates through the cabinet door, the upper part and the lower part of one side end of the fixing plate are respectively provided with a folding edge turning to the front side, one end of the pressing plate is vertically provided with a hinge part, and a hinge pin shaft with the upper end and the lower end respectively penetrating through the two folding edges is arranged in the hinge part; the locking structure comprises a first folded plate which is arranged at the other end of the fixing plate and turns to the front side, a second folded plate which turns to the front side is arranged at the other end of the pressing plate, and locking holes are correspondingly arranged on the first folded plate and the second folded plate; the cabinet door is characterized in that an elastic rubber sealing plate is further arranged on the rear side of the opening and provided with a through hole for the driving end of the rotating screw to penetrate through.
According to the emergency tripping operation mechanism, the structure is compact, the emergency tripping button can be conveniently operated by the partition door when the cabinet door is in a closed state, the safety is high, the speed is high, and the potential safety hazard is effectively avoided.
According to the locking mechanism, the locking mechanism of the grounding switch operating shaft is compact in structure, and can prevent the operating shaft from rotating when the cabinet door is in an open state, so that the condition that the grounding switch is operated by mistake is avoided; like this when personnel bore inside the cubical switchboard and maintain, as long as the cabinet door is opened, earthing switch is unable operation promptly, and the part in the cubical switchboard just can be in ground connection state all the time, has protected personnel's safety effectively.
According to the invention, the door closing state locking mechanism of the central switch cabinet door is simple in structure, the cabinet door can be prevented from being opened when the grounding switch is in an off state, the requirement on the installation precision of the cabinet door is reduced, the workload of installation and debugging is saved, and the production efficiency of the switch cabinet is improved.
According to the invention, the protection structure is arranged at the through hole of the cabinet door where the extending end of the driving end head is positioned, so that dust can be prevented from entering the cabinet through the through hole, the protection level of the cabinet door of the switch cabinet is improved to IP4X, the protection structure can effectively prevent arc light from leaking, and operators are prevented from being electrically injured when the accessories of the switch cabinet are nearby operated or patrolled.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1a is a schematic diagram of the emergency trip operating mechanism of the switchgear of the present invention;
FIG. 1b isbase:Sub>A schematic sectional view A-A of the emergency trip operating mechanism of the switch cabinet of the present invention;
FIG. 1c is a schematic sectional view B-B of the emergency trip operating mechanism of the switchgear of the present invention;
FIG. 1d is a schematic diagram of the use of the emergency trip operating mechanism of the switchgear of the present invention;
FIG. 2a is a schematic view of a door closing state locking mechanism of the present invention (grounding switch off state);
FIG. 2b isbase:Sub>A sectional view of the locking mechanism of the door closing state of the cabinet of the present invention;
FIG. 2c is a sectional view of the locking mechanism of the door closing state of the cabinet of the present invention;
FIG. 2d is a schematic view of a hook plate structure of the locking mechanism for closing the door according to the present invention;
FIG. 3a is a schematic view of a locking mechanism of an operating shaft of a grounding switch in a door-open state of a cabinet door according to the present invention;
FIG. 3b isbase:Sub>A sectional view taken along line A-A of the locking mechanism of the grounding switch operating shaft of the door of the cabinet according to the present invention;
FIG. 3c is a schematic sectional view taken along line B-B of the locking mechanism of the grounding switch operating shaft in the door-open state of the cabinet door;
FIG. 3d is a schematic view of an unlocking state of an operating shaft of the locking mechanism of the grounding switch operating shaft in the door opening state of the cabinet door according to the present invention;
FIG. 4a is a schematic view of the position of the electric shock protection structure of the observation window of the present invention;
FIG. 4b is an enlarged schematic view of the drive tip of the present invention at the protrusion opening;
FIG. 4c is a schematic top view of the drive tip of the present invention shown extending through the opening;
FIG. 4d is a schematic cross-sectional view B-B of the drive tip of the present invention at the extension opening;
FIG. 4e is a schematic view of the port structure of the drive tip of the present invention extending out of the port;
FIG. 4f is a schematic structural view of an annular rubber seal at the protrusion opening of the drive tip of the present invention;
FIG. 5a is a schematic view of an anti-electric shock structure of the observation window of the present invention;
FIG. 5b is a schematic view of the interlayer of the anti-electric shock structure of the observation window of the present invention;
in FIGS. 1a-1 d: 1010-trip operating cabinet door 1011-notch 1020-mounting plate 1021-hinge part 1022-hem 1023-protrusion 1024-driving rod 1025-insulating handle 1026-folded plate 1030-hinge seat 1031-pin shaft 1032-torsion spring 1040-driving button 1050-sliding rod 1051-sleeve 1052-front adjusting bolt 1053-rear adjusting bolt 1054-insulating block 1055-reset spring 1056-limiting rod 1060-emergency trip button;
in FIGS. 2a-2 d: 2010-rear side cabinet door 2011-door frame 2012-notch 2013-supporting plate 2014-shock-absorbing sealing strip 2020-operation rotating shaft 2030-hook plate 2031-notch 2032-locking bolt 2040-locking piece 2041-limit convex part 2042-fastening bolt 2051-vertical rod 2052-locking block 2053-through hole;
in FIGS. 3a-3 d: 3010-switch cabinet 3011-door frame 3012-folded plate 3013-rear side cabinet door 3020-operation rotating shaft 3021-driving end 3022-insulating layer 3030-locking piece 3031-notch 3040-elastic slide bar 3041-rod 3042-limit bump 3043-pressure spring 3044-tightening bolt 3050-limit stopper 3060-fixed plate 3061-folded edge 3062-locking bolt 3063-through hole;
in fig. 4a-4f, 4010-rotating shaft control cabinet door 4011-through port 4012-notch 4013-rotating screw 4020-fixing plate 4021-rivet 4022-folding edge 4023-first folding plate 4024-locking hole 4030-annular rubber sealing member 4031-annular projection 4032-extending pipe portion 4033-limit projection 4040-pressing plate 4041-hinge portion 4042-hinge pin shaft 4043-second folding plate 4044-locking hole 4050-elastic rubber sealing plate;
in FIGS. 5a-5b, 1-ground cable; 2-large-hole; 3-a bolt; 4-a metal mesh; 5, the switch cabinet is used for observing the cabinet door of the working condition in the cabinet; 6-window glass; 7-a grounding plate; 8-interlayer.
Detailed Description
As shown in the attached drawings, a high-safety central switch cabinet is characterized in that a cabinet door of the switch cabinet is provided with a switch cabinet emergency tripping operation mechanism; a cabinet door closing state locking mechanism and a cabinet door opening state grounding switch operating shaft locking mechanism are arranged in the switch cabinet.
Cubical switchboard emergency trip operating device is including setting up in mounting panel 1020 of cubical switchboard trip operation cabinet door 1010 rear side, a side of mounting panel 1020 is articulated mutually with the articulated seat 1030 that sets up in the cabinet door 1010 rear side, is provided with on the mounting panel 1020 and wears out the cabinet door forward from the back and be used for driving mounting panel 1020 around articulated seat 1030 pivoted drive division, the downside that lies in articulated seat 1030 on the cabinet door 1010 is provided with from the drive button 1040 that passes cabinet door 1010 backward forward, the lower part of mounting panel 1020 transversely is provided with the slide bar 1050 that the mounting panel 1020 rotated the back one end and lies in drive button 1040 rear side and the other end and lies in emergency trip button 1060 front side.
The cabinet door opening state ground switch operating shaft locking mechanism comprises an operating rotating shaft 3020 which is longitudinally arranged in a switch cabinet and used for driving a ground switch to open and close, a driving end 3021 is arranged at the front end of the operating rotating shaft 3020 and extends out from the front side of the switch cabinet 3010, the rear end of the operating rotating shaft 3020 is supported on a doorframe of a cabinet door 3013 on the rear side of the switch cabinet, a locking catch 3030 is arranged at the rear end of the operating rotating shaft and positioned at the inner side of the doorframe, a downward concave notch 3031 is arranged at one side of the upper end of the locking catch 3030, an elastic sliding rod 3040 is longitudinally arranged in the switch cabinet and positioned at the upper side of the locking catch, the rear end of the elastic sliding rod 3040 extends out from the doorframe of the cabinet door on the rear side of the switch cabinet and abuts against the cabinet door when the cabinet door is locked, and a limit stopper 3050 which is arranged on the elastic sliding rod 3040 and used for moving backwards along with the elastic sliding rod when the cabinet door is opened and falling into the notch to cooperate with the locking catch to stop the operating rotating shaft 3020.
The cabinet door closing state locking mechanism comprises a rear cabinet door 2010 arranged at the rear side of the switch cabinet and hinged with one side of the switch cabinet; the other side of cabinet door hangs down and is equipped with hook plate 2030, the preceding lateral part on the hook plate 2030 is provided with the draw-in groove, the notch 2012 that is used for hook plate 2030 to penetrate in the cubical switchboard is vertically offered to the one side that lies in operation pivot 2020 on the door frame 2011, one side end of hasp spare 2040 is provided with the spacing convex part 2041 that is used for imbedding in the draw-in groove.
At the emergency trip operating mechanism of the switch cabinet, a hinge part 1021 extending outwards is arranged at the upper part of one side end of the mounting plate 1020, folding edges 1022 turning towards the rear side are respectively arranged at the upper side and the lower side of the hinge part 1021, and a pin 1031 with the upper end and the lower end respectively penetrating through the folding edges 1022 of the hinge part is vertically arranged on the hinge base 1030 in a penetrating manner; a torsion spring 1032 is sleeved in the middle of the pin 1031, wherein one side end of the torsion spring abuts against the hinge base 1030, and the other end of the torsion spring abuts against the hinge portion; a forward convex part 1023 is arranged at the front side of the folded edge at the upper side of the hinge part 1021, the convex part 1023 penetrates out of a notch 1011 arranged on the cabinet door from back to front and is connected with a driving rod 1024, and an insulating handle 1025 is fixed at the other end of the driving rod to form a driving part; the sliding rod 1050 comprises a sleeve 1051, two side ends of the lower part of the mounting plate 1020 are respectively provided with a folded plate 1026 turning to the rear side, two ends of the sleeve 1051 respectively penetrate through the two folded plates 1026, one end of the sleeve 1051 is screwed with a front adjusting bolt 1052, the other end of the sleeve is screwed with a rear adjusting bolt 1053, and the other end of the rear adjusting bolt 1053 is fixed with an insulating block 1054; a reset spring 1055 is sleeved between the two folded plates on the sleeve 1051, and a limit rod 1056 which is abutted against one end of the reset spring 1055 radially penetrates through the sleeve 1051; one end of the sliding rod 1050 abuts against the driving button 1040 after the mounting plate 1020 rotates, and the driving button 1040 is an insulating button.
The cabinet door is also provided with a protective lock covering the driving button.
An observation window is arranged at a cabinet door 5 of the switch cabinet for observing working conditions in the cabinet, and an electric shock prevention structure is arranged at the observation window; the electric shock prevention structure at the observation window comprises window body glass 6, a grounding sheet 7 and a grounding cable 1; an interlayer 8 is arranged in the window body glass, and a metal net 4 is arranged in the interlayer; the metal net 4 is connected with the grounding sheet 7 through the grounding cable 1; the grounding strip 7 is fixed on the cabinet door 5, and the conductive part of the grounding strip 7 is connected with the conductive part of the cabinet door; at the electric shock prevention structure of the observation window, the grounding sheet is fixed on the cabinet door 5 by a bolt 3, and the conductive part of the grounding sheet is connected with the metal part of the cabinet door by the bolt; the window body glass is formed by splicing two layers of glass; the window glass is arranged on the inner side of the cabinet door of the switch cabinet, and a plurality of large holes 2 are formed in the position of the cabinet door adjacent to the window glass and used for observing the working condition in the cabinet; the window glass is toughened glass; the window body glass is clamped and fixed by the two grounding pieces, and the window body glass is adjacent to the inner face of the cabinet door and is parallel to the cabinet door.
At the locking mechanism of the grounding switch operating shaft in the door opening state of the cabinet door, a folded plate 3012 turning inwards is arranged on a door frame 3011 of the rear cabinet door, a fixed plate 3060 used for installing an elastic sliding rod is arranged on the folded plate 3012, and folded edges 3061 are respectively arranged on the front side and the rear side of the fixed plate; the elastic sliding rod 3040 comprises a rod body 3041, the front end of which is provided with a limit bump 3042, the rod body 3041 longitudinally penetrates through two folded edges 3061 of a fixed plate 3060 from front to back and penetrates out of a door frame 3011 of a rear side cabinet door, the limit stopper 3050 is fixed on the rod body and is positioned between the two folded edges 3061 of the fixed plate, and a pressure spring 3043 is sleeved on the rod body between the limit stopper 3050 and the folded edge 3061 at the front side of the fixed plate; the limit stop 3050 is fixed on the rod body 3041 through a fastening bolt 3044; the fixing plate 3060 is fixed on the folded plate 3012 by a locking bolt 3062, and a through hole 3063 for the operating shaft to pass through longitudinally is arranged at the lower part of the folded edge at the front side of the fixing plate.
At the locking mechanism for the closing state of the cabinet door, a supporting plate 2013 is vertically arranged on one side, located on the notch 2012, of the door frame 2011, and a damping sealing strip 2014 used for abutting against the rear cabinet door 2010 in the closing state of the rear cabinet door is arranged on the end face of the rear side of the supporting plate 2013; the locking element 2040 is fixed on the rear end of the operating shaft 2020 through a radial fastening bolt 2042; the door frame 2011 is also provided with a locking mechanism matched with the rear side cabinet door 2010; the locking mechanism comprises a vertical rod 2051 vertically arranged on a door frame 2011, a through hole for the vertical rod 2051 to penetrate out is formed in the rear side cabinet door 2010, a locking block 2052 for the vertical rod 2051 to penetrate out is also arranged on the rear side surface of the rear side cabinet door 2010, and a through hole 2053 for a locking plug to penetrate through is formed in the end part of the vertical rod 2051 penetrating out of the locking block 2052; the locking insert is a locking pin or a bolt.
Drive end stretches out from switch cabinet door 4010's pivot control cabinet door 4011 of cubical switchboard front side, be provided with fixed plate 4020 on cabinet door 4010's the leading flank, be provided with the mounting hole corresponding with opening 4011 on the fixed plate 4020, install on the mounting hole and stretch into opening 4011 and through the spacing annular rubber seal 4030 of cabinet door, the front side port upper seal that is located annular rubber seal 4030 has a clamp plate 4040, clamp plate 4040's one end is articulated mutually with fixed plate 4020, clamp plate 4020's the other end be provided with fixed plate 4020 other end matched with locking structure.
The front end of the annular rubber sealing element 4030 is provided with an annular protrusion 4031, the rear end of the annular rubber sealing element 4030 is provided with an extension pipe 4032 extending into the through hole, the outer side wall of the extension pipe 4032 is provided with a plurality of limiting protrusions 4033 positioned on the rear side of the cabinet door at intervals, and the periphery of the through hole 4011 is provided with a plurality of notches 4012 used for enabling the limiting protrusions 4033 to penetrate through and limiting the annular rubber sealing element after the annular rubber sealing element rotates; the fixing plate 4020 is fixed by a rivet which longitudinally penetrates through the cabinet door 4010, the upper part and the lower part of one side end of the fixing plate 4020 are respectively provided with a folding edge 4022 turning towards the front side, one end of the pressing plate 4040 is vertically provided with a hinged part 4041, and a hinged pin shaft 4042 with the upper end and the lower end respectively penetrating through the two folding edges is arranged in the hinged part 4041; the locking structure comprises a first folding plate 4023 which is arranged at the other end of the fixing plate and turns towards the front side, a second folding plate 4043 which turns towards the front side is arranged at the other end of the pressing plate, and locking holes 4024 are correspondingly arranged on the first folding plate 4023 and the second folding plate 4043; an elastic rubber sealing plate 4050 is further arranged on the cabinet door and located on the rear side of the through opening, and a through hole used for allowing a driving end of the rotating screw to penetrate through is formed in the elastic rubber sealing plate 4050.
Example 1:
the use method of the switch cabinet emergency tripping operation mechanism is as follows; the mounting plate is attached to the rear side of the cabinet door in an initial state. During operation, the mounting plate rotates 90 degrees around the hinged seat through the insulating handle, so that the mounting plate and the cabinet door are in a vertical state, and meanwhile, the other hand pushes the driving button from front to back, so that the sliding rod slides backwards, and the other end of the sliding rod drives the emergency trip button. After the operation is finished, the insulating handle is loosened, and the mounting plate can reset under the acting force of the torsion spring.
Example 2:
the working method of the cabinet door closing state locking mechanism comprises the following steps of; after the rear cabinet door is closed, the hook plate extends into the switch cabinet through the notch, the mechanism allows the operation of the grounding switch (grounding switch), the user rotates the operation rotating shaft anticlockwise by 90 degrees to complete the disconnection operation of the grounding switch, after the grounding switch is disconnected, the cabinet door is locked and can not be opened, and the limiting convex part of the locking piece fixed on the rear end part of the operation rotating shaft is embedded into the clamping groove of the hook plate to complete the locking of the cabinet door at the rear side. When the rear cabinet door needs to be opened, the operating rotating shaft must be rotated clockwise to close the grounding switch, and at the moment, the limiting convex part of the locking piece is separated from the clamping groove, so that the rear cabinet door can be opened.
Example 3:
the operation mode of the grounding switch operation shaft locking mechanism is that when the cabinet door is opened, the grounding switch operation shaft locking mechanism is operated; when maintenance personnel need to enter the cabinet for maintenance, firstly, the grounding switch is closed (grounding of the grounding knife), then the cabinet door at the rear side is opened, the elastic sliding rod slides towards the rear side of the switch cabinet under the action of the pressure spring, so that the limit stop block falls into the notch of the locking piece to clamp the locking piece, the operation rotating shaft cannot rotate, the grounding state is locked, the condition that the grounding switch is disconnected due to misoperation of the operation rotating shaft is avoided, and the safety of the personnel entering the cabinet is protected; after the personnel finish the maintenance and leave from the cabinet, the rear cabinet door of the switch cabinet is closed, the rear cabinet door is abutted against the rear end of the elastic sliding rod to enable the elastic sliding rod to slide forwards, the limiting convex block is separated from the notch at the moment, the operation rotating shaft can rotate, and the grounding switch can be disconnected at the moment.
Example 4:
when the driving end is required to be rotated to drive the rotating shaft, the pressing plate 4040 is opened; the rotating handle is butted with the driving end head and is manually rotated.
Claims (5)
1. The utility model provides a high mid-set formula cubical switchboard of security which characterized in that: a cabinet door of the switch cabinet is provided with a switch cabinet emergency tripping operation mechanism; a cabinet door closing state locking mechanism and a cabinet door opening state grounding switch operating shaft locking mechanism are arranged in the switch cabinet;
the switch cabinet emergency tripping operation mechanism comprises a mounting plate arranged on the rear side of a switch cabinet tripping operation cabinet door, one side end of the mounting plate is hinged to a hinge seat arranged on the rear side of the cabinet door, a driving part which penetrates out of the cabinet door from back to front and is used for driving the mounting plate to rotate around the hinge seat is arranged on the mounting plate, a driving button which penetrates through the cabinet door from front to back is arranged on the lower side of the hinge seat on the cabinet door, and a sliding rod which is arranged on the lower portion of the mounting plate, after the mounting plate rotates, and has one end positioned on the rear side of the driving button and the other end positioned on the front side of the emergency tripping button is transversely arranged on the lower portion of the mounting plate;
the locking mechanism comprises an operation rotating shaft which is longitudinally arranged in a switch cabinet and used for driving a grounding switch to open and close, wherein the front end of the operation rotating shaft is provided with a driving end head and extends out from the front side of the switch cabinet, the rear end of the operation rotating shaft is supported on a door frame of a cabinet door at the rear side of the switch cabinet, a locking piece is arranged on the rear end part of the operation rotating shaft and positioned on the inner side of the door frame, a notch which is sunken downwards is arranged on one side of the upper end of the locking piece, an elastic sliding rod is longitudinally arranged on the upper side of the locking piece in the switch cabinet, the rear end of the elastic sliding rod extends out from the door frame of the cabinet at the rear side of the switch cabinet and abuts against the cabinet door at the rear side when the cabinet door is locked, and a limit stop block which is used for moving backwards along with the elastic sliding rod when the cabinet door at the rear side is opened and falling into the notch to be matched with the locking piece to stop the operation rotating shaft;
the cabinet door closing state locking mechanism comprises a rear cabinet door which is arranged on the rear side of the switch cabinet and is hinged with one side of the switch cabinet; a hook plate is vertically arranged on the other side of the cabinet door, a clamping groove is formed in the front side portion of the hook plate, a notch for the hook plate to penetrate into the switch cabinet is longitudinally formed in one side, located on the operation rotating shaft, of the door frame, and a limiting convex portion for being embedded into the clamping groove is formed in one side end of the lock catch piece;
at the emergency tripping operation mechanism of the switch cabinet, the upper part of one side end of the mounting plate is provided with a hinge part extending outwards, the upper side and the lower side of the hinge part are respectively provided with a hem turning towards the rear side, and a hinge pin with the upper end and the lower end penetrating through the hems of the hinge part is vertically arranged on the hinge seat in a penetrating manner; a torsion spring with one side end abutting against the hinge seat and the other end abutting against the hinge part is sleeved in the middle of the pin shaft; a forward protruding part is arranged on the front side of the folded edge on the upper side of the hinged part, the protruding part penetrates through a notch arranged on the cabinet door from back to front and is connected with a driving rod, and an insulating handle is fixed at the other end of the driving rod to form a driving part; the sliding rod comprises a sleeve, two side ends of the lower part of the mounting plate are respectively provided with a folded plate turning towards the rear side, two ends of the sleeve respectively penetrate through the two folded plates, one end of the sleeve is in threaded connection with a front adjusting bolt, the other end of the sleeve is in threaded connection with a rear adjusting bolt, and an insulating block is fixed at the other end of the rear adjusting bolt; a reset spring is sleeved between the two folded plates on the sleeve, and a limiting rod which is abutted against one end of the reset spring radially penetrates through the sleeve; one end of the sliding rod is abutted with a driving button after the mounting plate rotates, and the driving button is an insulating button;
the switch cabinet is characterized in that the driving end head is extended out of a through hole of the cabinet door controlled by a rotating shaft on the front side of the switch cabinet, a fixing plate is arranged on the front side face of the cabinet door, a mounting hole corresponding to the through hole is formed in the fixing plate, an annular rubber sealing element which extends into the through hole and is limited by the cabinet door is mounted on the mounting hole, a pressing plate is covered on a front side port of the annular rubber sealing element in a sealing mode, one end of the pressing plate is hinged to the fixing plate, and the other end of the pressing plate is provided with a locking structure matched with the other end of the fixing plate.
2. The centrally-mounted switch cabinet with high safety according to claim 1, characterized in that: an observation window is arranged at a cabinet door of the switch cabinet for observing working conditions in the cabinet, and an electric shock prevention structure is arranged at the observation window; the electric shock prevention structure at the observation window comprises window body glass, a grounding sheet and a grounding cable; an interlayer is arranged in the window glass, and a metal net is arranged in the interlayer; the metal net is connected with the grounding sheet through a grounding cable; the grounding piece is fixed on the cabinet door, and the conductive part of the grounding piece is connected with the conductive part of the cabinet door; at the electric shock prevention structure of the observation window, the grounding sheet is fixed on the cabinet door through a bolt, and the conductive part of the grounding sheet is connected with the metal part of the cabinet door through the bolt; the window body glass is formed by splicing two layers of glass; the window glass is arranged on the inner side of the cabinet door of the switch cabinet, and a plurality of large holes for observing the working condition in the cabinet are formed in the position of the cabinet door adjacent to the window glass; the window glass is toughened glass; the window body glass is clamped and fixed by the two grounding sheets, and is adjacent to the inner face of the cabinet door and parallel to the cabinet door.
3. The centrally-mounted switch cabinet with high safety according to claim 1, characterized in that: at the locking mechanism of the grounding switch operating shaft in the door opening state of the cabinet door, a door frame of the rear cabinet door is provided with a folded plate turning inwards, the folded plate is provided with a fixed plate for mounting an elastic sliding rod, and the front side and the rear side of the fixed plate are respectively provided with folded edges; the elastic sliding rod comprises a rod body, the front end of the rod body is provided with a limiting lug, the rod body longitudinally penetrates through two folded edges of the fixed plate from front to back and penetrates out of a door frame of the rear cabinet door, the limiting stop block is fixed on the rod body and positioned between the two folded edges of the fixed plate, and a pressure spring is sleeved between the limiting stop block and the folded edge on the front side of the fixed plate on the rod body; the limit stop block is fixed on the rod body through a fastening bolt; the fixing plate is fixed on the folded plate through a locking bolt, and a through hole for the operation shaft to longitudinally pass through is further formed in the lower portion of the folded edge positioned on the front side of the fixing plate.
4. The centrally-mounted switch cabinet with high safety according to claim 1, characterized in that: a supporting plate is vertically arranged on one side of the notch on the door frame at the position of the door closing state locking mechanism of the cabinet door, and a damping sealing strip used for abutting against the rear side cabinet door when the rear side cabinet door is in a door closing state is arranged on the end face of the rear side of the supporting plate; the locking fastener is fixed on the rear side end part of the operating rotating shaft through a radial fastening bolt; the door frame is also provided with a locking mechanism matched with the rear side cabinet door; the locking mechanism comprises a vertical rod vertically arranged on the door frame, a through hole for the vertical rod to penetrate out is formed in the rear side cabinet door, a locking block for the vertical rod to penetrate out is further arranged on the rear side face of the rear side cabinet door, and a through hole for the locking plug-in unit to penetrate through is formed in the end part of the vertical rod, penetrating out of the locking block; the locking insert is a locking pin or a bolt.
5. The centrally-mounted switch cabinet with high safety according to claim 1, characterized in that: the front end of the annular rubber sealing element is provided with an annular bulge, the rear end of the annular rubber sealing element is provided with an extension tube part extending into the through hole, the outer side wall of the extension tube part is provided with a plurality of limiting bulges positioned at the rear side of the cabinet door at intervals, and the periphery of the through hole is provided with a plurality of gaps for the limiting bulges to penetrate through and realize the limiting of the annular rubber sealing element after the annular rubber sealing element rotates; the fixing plate is fixed by a rivet which longitudinally penetrates through the cabinet door, the upper part and the lower part of one side end of the fixing plate are respectively provided with a folding edge turning to the front side, one end of the pressing plate is vertically provided with a hinge part, and a hinge pin shaft with the upper end and the lower end respectively penetrating through the two folding edges is arranged in the hinge part; the locking structure comprises a first folded plate which is arranged at the other end of the fixing plate and turns to the front side, a second folded plate which turns to the front side is arranged at the other end of the pressing plate, and locking holes are correspondingly arranged on the first folded plate and the second folded plate; the cabinet door is located the opening rear side and still is provided with the elastic rubber shrouding, be provided with the through-hole that the drive end that is used for rotating the screw rod passed on the elastic rubber shrouding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564189.0A CN107171238B (en) | 2017-07-12 | 2017-07-12 | High middle-mounted switch cabinet of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564189.0A CN107171238B (en) | 2017-07-12 | 2017-07-12 | High middle-mounted switch cabinet of security |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107171238A CN107171238A (en) | 2017-09-15 |
| CN107171238B true CN107171238B (en) | 2023-04-11 |
Family
ID=59823974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710564189.0A Active CN107171238B (en) | 2017-07-12 | 2017-07-12 | High middle-mounted switch cabinet of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107171238B (en) |
Families Citing this family (5)
| 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 |
| CN111769463B (en) * | 2020-07-10 | 2021-11-30 | 江西明正变电设备有限公司 | Outdoor high-voltage metering box protection device and use method thereof |
| CN111816475B (en) * | 2020-09-01 | 2020-12-11 | 广东电网有限责任公司东莞供电局 | Mechanical emergency brake-separating device |
| 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 |
Citations (9)
| 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 |
-
2017
- 2017-07-12 CN CN201710564189.0A patent/CN107171238B/en active Active
Patent Citations (9)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107171238A (en) | 2017-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107171238B (en) | High middle-mounted switch cabinet of security | |
| CN110993420A (en) | Safety interlocking device of switch cabinet | |
| CN104295157A (en) | Sliding door or window latch | |
| CN106128841B (en) | A kind of switch cabinet earthing switch backlocking device | |
| CN211208997U (en) | Cabinet door supporting device of electric appliance cabinet | |
| CN103227062A (en) | Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet | |
| CN204152465U (en) | A kind of down-hole release | |
| CN114069414B (en) | Interlocking structure on electrical control cabinet and interlocking method thereof | |
| CN110957170A (en) | Safety interlocking device of switch cabinet back door | |
| CN211376515U (en) | Safety interlocking device of switch cabinet | |
| CN203796049U (en) | Automatic closing device of fireproof door | |
| CN110957171A (en) | Safety interlocking device of front lower door of switch cabinet | |
| CN109441249B (en) | Auxiliary lock device | |
| CN207381848U (en) | A kind of safe intermediate switchgear cabinet | |
| CN209990276U (en) | Flip type electric screen cabinet door lock | |
| CN211376516U (en) | Safety interlocking device of front lower door of switch cabinet | |
| CN217239306U (en) | Fixed circuit breaker panel with locking function for fixed high-voltage circuit breaker | |
| CN203218124U (en) | Earthing switch and front-lower-door interlocking mechanism for medium-voltage switchgear | |
| CN110224308B (en) | Switch cabinet | |
| CN106532465B (en) | A kind of high Multifunctional power distribution cabinet of safety coefficient | |
| CN104328949B (en) | Communication equipment electronic lock | |
| CN219554393U (en) | Block terminal convenient to maintenance operation | |
| CN211473739U (en) | Safety door bolt | |
| CN110230447A (en) | Two-way switching door | |
| CN204732763U (en) | Switch cubicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201229 Address after: Victory road 363000 in Fujian province Zhangzhou City Xiangcheng District No. 13 Applicant after: ZHANGZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Applicant after: ELECTRONIC CONTROL EQUIPMENT FACTORY, ZHANGZHOU XINYUAN POWER ENGINEERING Co.,Ltd. Address before: 363009 henger Road, Lantian Development Zone, Zhangzhou City, Fujian Province Applicant before: ELECTRONIC CONTROL EQUIPMENT FACTORY, ZHANGZHOU XINYUAN POWER ENGINEERING Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |