CN115405178B - Misoperation-preventive locking device of switch cabinet - Google Patents
Misoperation-preventive locking device of switch cabinet Download PDFInfo
- Publication number
- CN115405178B CN115405178B CN202211089921.0A CN202211089921A CN115405178B CN 115405178 B CN115405178 B CN 115405178B CN 202211089921 A CN202211089921 A CN 202211089921A CN 115405178 B CN115405178 B CN 115405178B
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- steel
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- locking device
- side walls
- shaped mounting
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- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 92
- 239000010959 steel Substances 0.000 claims description 92
- 230000000670 limiting effect Effects 0.000 claims description 67
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 55
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 21
- 230000002265 prevention Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
- E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of switch cabinet protection devices, in particular to an anti-misoperation locking device of a switch cabinet, which comprises an electromagnetic locking device and a cabinet body, wherein the electromagnetic locking device is positioned at the top of the cabinet body and is connected with the cabinet body, and the electromagnetic locking device comprises a protection shell: further comprises: the electromagnetic locking device is positioned in the protective shell and connected with the protective shell, and has the beneficial effects that: through utilizing the elasticity of torsional spring, make spacing card post be difficult to break away from the spacing groove, utilize the electromagnetic force that electromagnet device produced simultaneously, overcome the elasticity of torsional spring, make spacing card post break away from the spacing groove, realized the effect that the cubical switchboard cabinet door was opened and is not closed, closed and open to mechanical lock on solving current cubical switchboard easily appears mistake lock, fragile problem.
Description
Technical Field
The invention relates to the technical field of switch cabinet protection devices, in particular to an anti-misoperation locking device of a switch cabinet.
Background
The misoperation-preventing locking device is an important device for preventing five types of misoperation of a transformer substation, the reliable misoperation-preventing locking device is an important guarantee for safe and stable operation of personnel, power grids and equipment, and the national power grid company power safety working regulations clearly specify: the high-voltage electrical equipment is provided with a perfect misoperation-preventing locking device, has perfect misoperation-preventing locking device function and is not provided with a mechanical lock with the misoperation-preventing locking function, the cable chamber door of the switch cabinet in the prior art is fastened by a screw, no matter the cable is electrified, the door can be opened by a special crank or even a screwdriver, the misoperation-preventing locking function is not provided, and the requirements of the regulations are violated, so that electric shock accidents of personnel are easily caused;
to foretell defect, the switch cabinet appears in the market at present, adopt the mode of installing mechanical lock additional on its cabinet door to solve above-mentioned defect, and need open the cabinet door of switch cabinet when maintaining electrical components in the switch cabinet, need manual opening mechanical lock this moment, in the in-process of maintaining, can change electrical components many times, and current switch cabinet door adopts damping connection with cabinet body junction, in the in-process of changing electrical components, operating personnel can make the switch cabinet door closed because of the misoperation appears, need open mechanical lock twice at this moment and change the operation, repeatedly open or close mechanical lock many times, mechanical lock's life has been reduced greatly, maintenance efficiency has been reduced simultaneously.
Based on electricity safety, operators need to frequently overhaul electrical components in the switch cabinet, locks on the switch cabinet can be frequently opened or closed in the overhaul process, if an existing mechanical lock is adopted, mechanical abrasion can be generated when frequent opening and closing is carried out, so that the reaction speed is reduced, when the switch cabinet needs to be overhauled in emergency, the worn mechanical lock can obstruct overhaul, so that potential safety hazards are caused, meanwhile, the existing mechanical lock adopts a single clamping state to realize closing, when the abrasion occurs, the existing mechanical lock is difficult to realize perfect closing, so that the conditions of no locking and locking is not tight are possibly caused, and electricity safety is caused; therefore, it is necessary to invent a misoperation-preventive locking device of a switch cabinet.
Disclosure of Invention
Therefore, the invention provides the error-proof locking device for the switch cabinet, which makes the limit clamping post difficult to separate from the limit groove by utilizing the elasticity of the torsion spring, overcomes the elasticity of the torsion spring by utilizing the electromagnetic force generated by the electromagnet device, and makes the limit clamping post separate from the limit groove, thereby realizing the effects of opening and not closing the cabinet door of the switch cabinet and opening the cabinet door, and solving the problems that the mechanical lock on the existing switch cabinet is easy to have error locking and easy to damage.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a cubical switchboard prevents mistake blocking device, includes electromagnetic blocking device and the cabinet body, electromagnetic blocking device is located cabinet body top, and is connected with the cabinet body, electromagnetic blocking device includes the protecting crust: further comprises: the electromagnetic locking device is positioned inside the protective shell and connected with the protective shell;
the electromagnetic locking device comprises bridge section steel, the rear side wall of the bridge section steel is fixedly connected with the inner side wall of the top of the protective shell, a right trapezoid limiting plate is fixedly arranged on the inner side wall of the top of the bridge section steel, the right trapezoid limiting plate is vertically arranged on the inner side wall of the bridge section steel, two groups of through holes are formed in the two side walls of the bottom of the bridge section steel, two groups of through holes are formed in the same horizontal line, two limit sliding columns are fixedly arranged on the inner side walls of the two sides of the middle of the bridge section steel, a sliding rail is fixedly arranged on the inner side wall of the bottom of the bridge section steel, and two ends of the sliding rail are respectively connected with the inner walls of the two sides of the bridge section steel;
the electromagnetic locking device further comprises L-shaped mounting steel, the rear side of the L-shaped mounting steel is in sliding connection with the inner side wall of the bridge steel through a sliding rail, the limiting sliding column penetrates through two side walls of the L-shaped mounting steel and is in sliding connection with the L-shaped mounting steel, connecting blocks are fixedly arranged on two side walls of the bottom of the L-shaped mounting steel, holes are formed in the middle of the L-shaped mounting steel, connecting rotating shafts are arranged in the holes in the middle of the L-shaped mounting steel, torsion springs are arranged between the holes in the middle of the L-shaped mounting steel and the connecting rotating shafts, one side of each torsion spring is fixedly connected with the side wall of each hole in the middle of the L-shaped mounting steel, the other side of each torsion spring is fixedly connected with the side wall of the connecting rotating shaft, the top of each connecting rotating shaft is fixedly provided with a rotating plate, the other side of each rotating plate is fixedly provided with a pressed rotating head, the pressed rotating head is in tight contact with the side wall of the inclined side of the right-angle trapezoid limiting plate, and the bottom of the connecting rotating shaft is fixedly provided with a limiting clamping column.
Preferably, the hard aluminum bars are fixedly installed on the connecting blocks at two sides of the L-shaped installation steel, the two groups of hard aluminum bars penetrate through two side walls of the bridge-shaped steel through two groups of through holes respectively and are in sliding connection with the inner side walls of the two groups of through holes respectively, the two groups of hard aluminum bars at the outer side of the bridge-shaped steel are fixedly provided with metal iron plates, and the circle centers of the two groups of metal iron plates are fixedly connected with the hard aluminum bars.
Preferably, the electromagnetic locking device further comprises two groups of electromagnet devices, the two groups of electromagnet devices are respectively located at the outer sides of the two groups of metal iron plates, the center of the electromagnet devices is located on the same horizontal line with the center of the metal iron plates, the electromagnet devices comprise mounting frames, the two groups of mounting frames are arranged, the side walls at the top of the mounting frames are fixedly connected with the inner side walls at the top of the protective shell, the two groups of electromagnet devices are fixedly installed with the same wound iron core in the middle of the mounting frames, the outer side walls of the wound iron core are wound with conductive coils, the inner side walls of the wound iron core are fixedly installed with magnetic attraction plates with posts, the middle of the magnetic attraction plates with the posts is provided with inserted sliding holes, and the outer side walls of the hard aluminum rods are respectively connected with the inner side walls of the two groups of the inserted sliding holes in a sliding mode and are respectively located inside the two groups of inserted sliding holes.
Preferably, the protective housing bottom is fixedly connected with the cabinet body top, spacing card post is located cabinet body outside, cabinet body one side rotates and is connected with the cabinet lid, the spacing groove has been seted up to cabinet lid top one side, spacing card post and spacing groove block.
The beneficial effects of the invention are as follows:
1. when the cabinet cover of the switch cabinet needs to be opened, the electric appliance element in the cabinet body is overhauled, the electromagnet device at the rightmost end is disconnected, the conductive coil in the electromagnet device at the leftmost end is supplied with power, the magnetic attraction plate with the column is magnetized, electromagnetic attraction force is generated between the magnetic attraction plate with the column and the metal iron plate at the leftmost end, when the attraction force is larger than the elastic force of the torsion spring in the L-shaped mounting steel, the metal iron plate at the leftmost end drives the L-shaped mounting steel to move leftwards through the hard aluminum rod, the torsion spring rotates under the resistance action of the right trapezoid limiting plate, the torsion spring is compressed, the connecting rotating shaft is driven to rotate, the limiting clamping column moves leftwards synchronously along with the L-shaped mounting steel, the limiting clamping column is separated from the limiting groove and deflects, at the moment, an operator can open the switch cabinet through rotating the rotating cover, the conductive coil at the leftmost end is powered off, the L-shaped mounting steel is driven to move rightwards, the limiting clamping column is driven to deflect, the left-most mounting steel is blocked to the leftmost mounting steel to the conductive coil, the conductive coil is closed when the leftmost coil is closed, the conductive coil is closed, and the conductive coil is closed when the leftmost coil is closed, and the conductive coil is closed, and the electric-locking cabinet is closed, and the electric-stop is closed, and the electric-state is closed when the electric coil is closed, and the electric-state is closed;
2. when the switch cabinet is in a closed state, the L-shaped mounting steel is positioned at the rightmost end, namely the pressed rotating head is in contact with the lowest part of the bevel edge of the right trapezoid limiting plate, meanwhile, the electromagnet device positioned at the rightmost end is in a working state, namely the metal iron disc positioned at the rightmost end is subjected to rightward attractive force, at the moment, the L-shaped mounting steel is limited under the action of the torsion spring and the magnetic force in the L-shaped mounting steel, the limiting clamping column is difficult to deflect, namely the limiting clamping column is tightly combined with the limiting groove, at the moment, the cabinet cover of the switch cabinet is difficult to open, the effect of opening, closing and opening is realized, the double limiting effect of the torsion spring and the magnetic force is utilized, the switch cabinet is closed more tightly, the cooperation of a traditional lock cylinder and a lock head is abandoned, and the service life of the switch cabinet is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the device according to the present invention;
FIG. 2 is a diagram of the installation position of the protective shell provided by the invention;
FIG. 3 is a schematic diagram of a structure of a limit clamping column and a limit groove not matched with each other;
fig. 4 is a schematic structural diagram of the cooperation between the limiting clamping post and the limiting groove provided by the invention;
FIG. 5 is a disassembled view of the electromagnetic latch device provided by the invention;
FIG. 6 is a schematic view of a rotary latch assembly according to the present invention;
FIG. 7 is a schematic view of the internal structure of the bridge section steel provided by the invention;
FIG. 8 is a mounting block diagram of the L-shaped mounting steel provided by the invention;
fig. 9 is a split view of an electromagnet device according to the present invention.
In the figure: electromagnetic locking device 100, rotation locking assembly 110, bridge section steel 111, right trapezoid limiting plate 112, through hole 113, limiting slide column 114, slide rail 115, L-shaped mounting steel 116, connecting block 117, torsion spring 118, connecting rotating shaft 119, rotating plate 120, pressed rotating head 121, limiting clamping column 122, hard aluminum bar 130, metal iron plate 131, electromagnet device 140, mounting frame 141, wound iron core 142, conductive coil 143, magnetic suction plate 144 with column, inserted sliding hole 145, protective shell 150, cabinet 200, cabinet cover 210 and limiting groove 220.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1-9, the invention provides a switch cabinet anti-misoperation locking device, which comprises an electromagnetic locking device 100 and a cabinet body 200, wherein the electromagnetic locking device 100 is positioned at the top of the cabinet body 200 and is connected with the cabinet body 200, and the electromagnetic locking device 100 comprises a protective shell 150: further comprises: an electromagnetic latch 100 located inside the shield 150 and connected to the shield 150;
the electromagnetic locking device 100 comprises a bridge-shaped steel 111, the rear side wall of the bridge-shaped steel 111 is fixedly connected with the inner side wall at the top of a protective shell 150, a right trapezoid limiting plate 112 is fixedly arranged on the inner side wall at the top of the bridge-shaped steel 111, the right trapezoid limiting plate 112 is vertically arranged on the right-angle side wall of the bridge-shaped steel 111, two side walls at the bottom of the bridge-shaped steel 111 are respectively provided with a through hole 113, two groups of through holes 113 are positioned on the same horizontal line, the inner walls at the two sides of the middle part of the bridge-shaped steel 111 are fixedly provided with the same limiting slide column 114, the inner side wall at the bottom of the bridge-shaped steel 111 is fixedly provided with a slide rail 115, and two ends of the slide rail 115 are respectively connected with the inner walls at the two sides of the bridge-shaped steel 111;
the electromagnetic locking device 100 further comprises an L-shaped mounting steel 116, the rear side surface of the L-shaped mounting steel 116 is in sliding connection with the inner side wall of the bridge-shaped steel 111 through a sliding rail 115, a limiting sliding column 114 penetrates through two side walls of the L-shaped mounting steel 116 and is in sliding connection with the L-shaped mounting steel 116, a connecting block 117 is fixedly arranged on two side walls of the bottom of the L-shaped mounting steel 116, a hole is formed in the middle of the L-shaped mounting steel 116, a connecting rotating shaft 119 is arranged in the hole in the middle of the L-shaped mounting steel 116, a torsion spring 118 is arranged between the hole in the middle of the L-shaped mounting steel 116 and the connecting rotating shaft 119, when the torsion spring 118 is compressed, the torsion spring 118 can drive the connecting rotating shaft 119 to rotate with a rotating plate 120, the compression rotating head 121 is enabled to rotate, the right trapezoid limiting plate 112 can prevent the compression rotating head 121 from rotating, one side of the torsion spring 118 is fixedly connected with the side wall of the hole in the middle of the L-shaped mounting steel 116, and the other side of the torsion spring 118 is fixedly connected with the side wall of the connecting rotating shaft 119, the connecting rotating shaft 119 is rotationally connected with a hole in the middle of the L-shaped mounting steel 116 through a torsion spring 118, the rotating plate 120 is fixedly arranged at the top of the connecting rotating shaft 119, the pressed rotating head 121 is fixedly arranged at the other side of the rotating plate 120, the pressed rotating head 121 is tightly contacted with the inclined side wall of the right trapezoid limiting plate 112 and rotationally connected with the inclined surface of the right trapezoid limiting plate 112, the limiting clamping column 122 is fixedly arranged at the bottom of the connecting rotating shaft 119, specifically, when the cabinet cover 210 of the switch cabinet needs to be opened to overhaul the electrical components in the cabinet body 200, the electric conduction coil 143 in the electromagnet device 140 at the leftmost end (namely, the highest position near the inclined side of the right trapezoid limiting plate 112) is powered by disconnecting the electromagnet device 140, the magnetic suction plate 144 with the column is magnetized, when the suction force is larger than the elasticity of the torsion spring 118 in the L-shaped mounting steel 116, the leftmost metal iron disc 131 drives the L-shaped mounting steel 116 to integrally move leftwards through the hard aluminum bar 130, under the resistance of the right trapezoid limiting plate 112 (the right trapezoid limiting plate 112 prevents the rotating plate 120 from rotating, and simultaneously, the rotating plate 120 is driven by the pressed rotating head 121 to rotate towards the compressed direction of the torsion spring 118 along with the leftwards movement of the L-shaped mounting steel 116), at the moment, the torsion spring 118 rotates to compress itself, and simultaneously drives the connecting rotating shaft 119 to rotate, so that the limiting clamping column 122 connected with the connecting rotating shaft 119 rotates, the limiting clamping column 122 synchronously moves leftwards along with the L-shaped mounting steel 116 (namely, moves towards the direction of separating from the limiting groove 220) while rotating, so that the limiting clamping column 122 is separated from the limiting groove 220, and deflection occurs, at this moment, an operator can open the switch cabinet by rotating the rotary cover, after opening the switch cabinet, the leftmost conductive coil 143 is powered off, at this moment, the torsion spring 118 can generate a counter force, thereby driving the L-shaped mounting steel 116 to move rightwards, and meanwhile, driving the limiting clamping column 122 to deflect, so that the limiting clamping column 122 returns to a state when the leftmost conductive coil 143 is not powered on, at this moment, the limiting clamping column 122 can prevent the cabinet cover 210 of the switch cabinet from being closed, the misoperation-preventive locking is realized, after maintenance is completed, the leftmost conductive coil 143 is powered on again, the cabinet cover 210 is closed, the leftmost conductive coil 143 is powered off, and then the rightmost conductive coil 143 is powered on.
Further, hard aluminum bars 130 are fixedly installed on connection blocks 117 located on two sides of the L-shaped installation steel 116, two groups of hard aluminum bars 130 penetrate through two side walls of the bridge steel 111 through two groups of through holes 113 respectively and are slidably connected with inner side walls of the two groups of through holes 113 respectively, metal iron plates 131 are fixedly installed on two groups of hard aluminum bars 130 located on the outer side of the bridge steel 111, circle centers of the two groups of metal iron plates 131 are fixedly connected with the hard aluminum bars 130, specifically, when the electromagnet device 140 is electrified, the column-carrying magnetic attraction plates 144 can be magnetized, electromagnetic force is generated between the magnetized column-carrying magnetic attraction plates 144 and the metal iron plates 131, and accordingly the metal iron plates 131 tend to drive the hard aluminum bars 130 to move, and accordingly the L-shaped installation steel 116 connected with the hard aluminum bars 130 is driven to move.
Further, the electromagnetic locking device 100 further includes two electromagnet devices 140, the two electromagnet devices 140 are disposed on two groups of the outer sides of the two groups of metal iron discs 131, the centers of the two groups of electromagnet devices 140 and the center of the metal iron discs 131 are located on the same horizontal line, the electromagnet devices 140 include two groups of mounting frames 141, the top side walls of the two groups of mounting frames 141 are fixedly connected with the inner side walls of the top of the protecting shell 150, the protecting shell 150 provides support for the electromagnetic locking device 100, the same wound iron core 142 is fixedly mounted in the middle of the two groups of mounting frames 141, the outer side walls of the wound iron core 142 are wound with conductive coils 143, the inner side walls of the wound iron core 142 are fixedly mounted with magnetic attraction plates 144 with columns, the middle of the magnetic attraction plates 144 with columns are provided with inserted sliding holes 145, the outer side walls of the two groups of hard aluminum rods 130 are respectively connected with the inner side walls of the two groups of the inserted sliding holes 145, and are respectively located inside the two groups of the inserted sliding holes 145, and specifically, the conductive coils 143 in the electromagnet devices 140 close to the right-angle trapezoid limiting plate 112 are fixedly mounted on the top of the protecting shell 150 are powered on the side walls, the two groups of the electromagnet devices, the magnetic attraction plates 144 with columns are magnetized, the magnetic attraction plates with the same iron cores 142 are mounted on the left side, and the left side magnetic attraction plates with the magnetic attraction plates 144 can be driven by the magnetic attraction plates to move towards the left side of the metal disc 116, and the left end of the magnetic attraction plates 116, and the magnetic attraction plates are mounted on the left side of the whole steel disc 116, and the magnetic plate 116.
Further, the bottom of the protective shell 150 is fixedly connected with the top of the cabinet body 200, the cabinet body 200 provides mounting positions and supports for the protective shell 150, the limiting clamping columns 122 are located on the outer side of the cabinet body 200, one side of the cabinet body 200 is rotationally connected with the cabinet cover 210, one side of the top of the cabinet cover 210 is provided with the limiting grooves 220, the limiting clamping columns 122 are clamped with the limiting grooves 220, and the cabinet cover 210 is closed by clamping the limiting clamping columns 122 with the limiting grooves 220.
The application process of the invention is as follows: when the switch cabinet is in a closed state, the L-shaped mounting steel 116 is positioned at the rightmost end, namely the pressed rotating head 121 is in contact with the lowest part of the inclined edge of the right trapezoid limiting plate 112, meanwhile, the electromagnet device 140 positioned at the rightmost end is in a working state, namely the metal iron disc 131 positioned at the rightmost end is subjected to rightward attractive force, at the moment, the L-shaped mounting steel 116 is limited under the action of the torsion spring 118 and the magnetic force in the L-shaped mounting steel 116, the limiting clamping column 122 is difficult to deflect, namely the limiting clamping column 122 is tightly combined with the limiting groove 220, and the cabinet cover 210 of the switch cabinet is difficult to open;
when the cabinet cover 210 of the switch cabinet needs to be opened to overhaul the electrical components in the cabinet body 200, the electromagnet device 140 at the rightmost end is disconnected to supply power to the conductive coil 143 in the electromagnet device 140 at the leftmost end (namely, the highest position near the bevel edge of the right trapezoid limiting plate 112), the magnetic suction plate 144 with the column is magnetized, electromagnetic suction force is generated between the magnetic suction plate 144 with the column and the leftmost metal iron disc 131, when the suction force is larger than the elastic force of the torsion spring 118 in the L-shaped mounting steel 116, the leftmost metal iron disc 131 drives the L-shaped mounting steel 116 to integrally move leftwards through the hard aluminum rod 130, the rotation of the rotating plate 120 is blocked by the resistance of the right trapezoid limiting plate 112 (the right trapezoid limiting plate 112 simultaneously moves leftwards along with the L-shaped mounting steel 116, the pressed rotating head 121 drives the rotating plate 120 to rotate towards the direction in which the torsion spring 118 is compressed), at the moment, the torsion spring 118 rotates, the switch cabinet is compressed and simultaneously drives the connecting rotating shaft 119 to rotate, so that the limiting clamping column 122 connected with the connecting rotating shaft 119 rotates, the limiting clamping column 122 synchronously moves leftwards along with the L-shaped mounting steel 116 (namely moves towards the direction separating from the limiting groove 220) while rotating, so that the limiting clamping column 122 is separated from the limiting groove 220 and deflects, at the moment, an operator can open the switch cabinet by rotating the rotating cover, after the switch cabinet is opened, the leftmost conductive coil 143 is powered off, at the moment, the torsion spring 118 generates counter force, so that the L-shaped mounting steel 116 is driven to move rightwards, and meanwhile, the limiting clamping column 122 is driven to deflect, so that the limiting clamping column 122 returns to the state when the leftmost conductive coil 143 is not powered on, at the moment, the limiting clamping column 122 can prevent the cabinet cover 210 of the switch cabinet from being closed, and the misoperation-preventing locking is realized, after the maintenance is completed, the leftmost conductive coil 143 is energized again, the cabinet cover 210 is closed, the leftmost conductive coil 143 is deenergized, and the rightmost conductive coil 143 is energized.
The above description is of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (4)
1. The utility model provides a cubical switchboard anti-misoperation locking device, includes electromagnetic locking device (100) and cabinet body (200), electromagnetic locking device (100) are located cabinet body (200) top, and are connected its characterized in that with cabinet body (200): the electromagnetic locking device (100) comprises a protective shell (150): further comprises: an electromagnetic locking device (100) positioned inside the protective shell (150) and connected with the protective shell (150);
the electromagnetic locking device (100) comprises bridge steel (111), the rear side wall of the bridge steel (111) is fixedly connected with the inner side wall of the top of a protective shell (150), a right trapezoid limiting plate (112) is fixedly arranged on the inner side wall of the top of the bridge steel (111), the right trapezoid limiting plate (112) is vertically arranged on the inner side wall of the bridge steel (111), through holes (113) are formed in the two side walls of the bottom of the bridge steel (111), the two groups of through holes (113) are located on the same horizontal line, the same limiting sliding column (114) is fixedly arranged on the inner side wall of the two sides of the middle of the bridge steel (111), sliding rails (115) are fixedly arranged on the inner side wall of the bottom of the bridge steel (111), and two ends of each sliding rail (115) are respectively connected with the inner side walls of the two sides of the bridge steel (111);
the electromagnetic locking device (100) further comprises L-shaped mounting steel (116), the rear side of the L-shaped mounting steel (116) is in sliding connection with the inner side wall of the bridge section steel (111) through a sliding rail (115), the limiting sliding column (114) penetrates through two side walls of the L-shaped mounting steel (116) and is in sliding connection with the L-shaped mounting steel (116), connecting blocks (117) are fixedly mounted on two side walls at the bottom of the L-shaped mounting steel (116), a hole is formed in the middle of the L-shaped mounting steel (116), a connecting rotating shaft (119) is arranged in the hole in the middle of the L-shaped mounting steel (116), a torsion spring (118) is arranged between the hole in the middle of the L-shaped mounting steel (116) and the connecting rotating shaft (119), one side of the torsion spring (118) is fixedly connected with the side wall of the connecting rotating shaft (119), the connecting rotating shaft (119) is fixedly connected with the middle hole of the L-shaped mounting steel (116) through the torsion spring (118), a rotating shaft (120) is fixedly mounted on the top of the connecting block, the rotating head (120) is tightly contacted with the right-angle trapezoidal rotating plate (121), the other side of the rotating head is tightly contacted with the right-angle trapezoidal rotating plate (121), and a limiting clamping column (122) is fixedly arranged at the bottom of the connecting rotating shaft (119).
2. The false locking prevention device of a switch cabinet according to claim 1, wherein: the connecting blocks (117) on two sides of the L-shaped mounting steel (116) are fixedly provided with hard aluminum bars (130), two groups of hard aluminum bars (130) penetrate through two side walls of the bridge steel (111) through two groups of through holes (113) respectively and are in sliding connection with the inner side walls of the two groups of through holes (113) respectively, two groups of hard aluminum bars (130) on the outer side of the bridge steel (111) are fixedly provided with metal iron plates (131), and the circle centers of the two groups of metal iron plates (131) are fixedly connected with the hard aluminum bars (130).
3. The false locking prevention device of a switch cabinet according to claim 2, wherein: the electromagnetic locking device (100) further comprises two groups of electromagnet devices (140), the two groups of electromagnet devices (140) are arranged on the outer sides of the two groups of metal iron plates (131), the centers of the electromagnet devices (140) and the metal iron plates (131) are located on the same horizontal line, the electromagnet devices (140) comprise mounting frames (141), the mounting frames (141) are provided with two groups of electromagnet devices, the top side walls of the mounting frames (141) are fixedly connected with the inner side walls of the tops of the protective shells (150), the two groups of electromagnet devices are fixedly arranged on the same wound iron core (142) in the middle of the mounting frames (141), conductive coils (143) are wound on the outer side walls of the wound iron core (142), magnetic attraction plates (144) with columns are fixedly arranged on the inner side walls of the wound iron cores (142), inserted sliding holes (145) are formed in the middle of the magnetic attraction plates (144), and the outer side walls of the hard aluminum rods (130) are respectively connected with the inner side walls of the two groups of inserted sliding holes (145) in a sliding mode and are respectively located inside the two groups of inserted sliding holes (145).
4. The false locking prevention device of a switch cabinet according to claim 1, wherein: the utility model discloses a cabinet, including cabinet body (200) and cabinet cover, cabinet body (200) are connected with cabinet cover (210) including cabinet body (200) and cabinet cover (210), cabinet cover (210) top one side is offered spacing groove (220), spacing card post (122) and spacing groove (220) block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089921.0A CN115405178B (en) | 2022-09-07 | 2022-09-07 | Misoperation-preventive locking device of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089921.0A CN115405178B (en) | 2022-09-07 | 2022-09-07 | Misoperation-preventive locking device of switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115405178A CN115405178A (en) | 2022-11-29 |
| CN115405178B true CN115405178B (en) | 2024-04-02 |
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ID=84164329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211089921.0A Active CN115405178B (en) | 2022-09-07 | 2022-09-07 | Misoperation-preventive locking device of switch cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN115405178B (en) |
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| CN115405178A (en) | 2022-11-29 |
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