CN115405178A - Cubical switchboard is prevented mistake blocking device - Google Patents
Cubical switchboard is prevented mistake blocking device Download PDFInfo
- Publication number
- CN115405178A CN115405178A CN202211089921.0A CN202211089921A CN115405178A CN 115405178 A CN115405178 A CN 115405178A CN 202211089921 A CN202211089921 A CN 202211089921A CN 115405178 A CN115405178 A CN 115405178A
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- steel
- sets
- bridge
- shaped
- locking device
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- 230000000903 blocking effect Effects 0.000 title claims description 10
- 230000000670 limiting effect Effects 0.000 claims abstract description 67
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 89
- 239000010959 steel Substances 0.000 claims description 89
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 64
- 238000009434 installation Methods 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 229910052782 aluminium Inorganic materials 0.000 claims description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 21
- 239000004411 aluminium Substances 0.000 claims description 16
- 230000005389 magnetism Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the technical field of switch cabinet protection devices, in particular to an anti-misoperation locking device for 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 connected with the cabinet body, and the electromagnetic locking device comprises a protection shell: further comprising: the electromagnetic locking device is positioned in the protective shell and connected with the protective shell, and the electromagnetic locking device has the beneficial effects that: the limiting clamping column is difficult to separate from the limiting groove by utilizing the elasticity of the torsion spring, meanwhile, the elasticity of the torsion spring is overcome by utilizing the electromagnetic force generated by the electromagnet device, so that the limiting clamping column is separated from the limiting groove, the effects of no closure and no opening of the door of the switch cabinet are realized, and the problems of mistaken locking and easy damage of the mechanical lock on the existing switch cabinet are solved.
Description
Technical Field
The invention relates to the technical field of switch cabinet protection devices, in particular to a switch cabinet anti-misoperation locking device.
Background
The misoperation prevention locking device is important equipment for preventing five types of misoperation in a transformer substation, the reliable misoperation prevention locking device is an important guarantee for the safe and stable operation of people, power grids and equipment, and the national power grid company electric power safety working rules also stipulate: the high-voltage electrical equipment is provided with a perfect anti-misoperation locking device, has a perfect anti-misoperation locking device function, and is not provided with an additional mechanical lock with the anti-misoperation locking function, but the cable chamber door of the switch cabinet in the prior art is fastened by screws, and the chamber door can be opened by a special crank or even a screwdriver no matter the cable is electrified, so that the anti-misoperation locking function is not provided, the requirements of the regulations are violated, and the electric shock accident of personnel is easily caused;
to foretell defect, a cubical switchboard appears in the existing market, adopt the mode of installing mechanical lock additional on its cabinet door to solve above-mentioned defect, and need open the cabinet door of cubical switchboard when carrying out the maintenance to electrical components in the cubical switchboard, need manually open the mechanical lock this moment, at the in-process of maintenance, can possibly change electrical components many times, and current cubical switchboard cabinet door adopts the damping to be connected with cabinet body junction, at the in-process of changing electrical components, the operating personnel error operation appears and probably can make the cubical switchboard cabinet door closed, need the secondary to open the mechanical lock this moment and change the operation, repetitious opening or closed mechanical lock many times, the life of mechanical lock has been reduced greatly, maintenance efficiency has been reduced simultaneously.
Based on electricity safety, an operator needs to frequently overhaul electrical elements in a switch cabinet, a lockset on the switch cabinet can be frequently opened or closed in the overhauling process, if the existing mechanical lock is adopted, mechanical abrasion can be generated due to frequent opening and closing, so that the reaction speed is reduced, when the switch cabinet needs to be overhauled in an emergency, the abraded mechanical lock can obstruct overhauling, so that potential safety hazards are caused, meanwhile, the existing mechanical lock adopts a single clamping state to realize closing, when abrasion occurs, perfect closing is difficult to realize, so that the conditions of 'no locking and not tight locking' can be caused, and electricity safety is realized; therefore, the invention is necessary to develop an anti-misoperation locking device for the switch cabinet.
Disclosure of Invention
Therefore, the invention provides the misoperation-preventive locking device of the switch cabinet, the limit clamping column is difficult to separate from the limit groove by utilizing the elasticity of the torsion spring, and the limit clamping column is separated from the limit groove by overcoming the elasticity of the torsion spring by utilizing the electromagnetic force generated by the electromagnet device, so that the effects of non-closing of the door of the switch cabinet and non-opening of the door of the switch cabinet are realized, and the problems that the conventional mechanical lock on the switch cabinet is easy to have misoperation lock and is easy to damage are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a cubical switchboard is prevented mistake blocking device, includes the electromagnetism blocking device and the cabinet body, the electromagnetism blocking device is located cabinet body top, and with cabinet body coupling, the electromagnetism blocking device includes the protecting crust: further comprising: the electromagnetic locking device is positioned in the protective shell and connected with the protective shell;
the electromagnetic locking device comprises bridge-shaped steel, the rear side wall of the bridge-shaped steel is fixedly connected with the inner side wall of the top of the protective shell, a right trapezoid limiting plate is fixedly mounted on the inner side wall of the top of the bridge-shaped steel, the right trapezoid limiting plate right-angle side wall is perpendicular to the inner side wall of the bridge-shaped steel, through holes are formed in the two side walls of the bottom of the bridge-shaped steel, two groups of through holes are located on the same horizontal line, the same limiting sliding column is fixedly mounted on the inner walls of the two sides of the middle part of the bridge-shaped steel, a sliding rail is fixedly mounted on the inner side wall of the bottom of the bridge-shaped steel, and two ends of the sliding rail are respectively connected with the inner walls of the two sides of the bridge-shaped steel;
the electromagnetic locking device further comprises L-shaped installation steel, the rear side face of the L-shaped installation steel is connected with the inner side wall of the bridge-shaped steel through a sliding rail, a limiting sliding column penetrates through two side walls of the L-shaped installation steel and is connected with the L-shaped installation steel in a sliding manner, connecting blocks are fixedly installed on two side walls of the bottom of the L-shaped installation steel, a hole is formed in the middle of the L-shaped installation steel, a connecting rotating shaft is arranged in the hole in the middle of the L-shaped installation steel, a torsional spring is arranged between the hole in the middle of the L-shaped installation steel and the connecting rotating shaft, one side of the torsional spring is fixedly connected with the side wall of the hole in the middle of the L-shaped installation steel, the other side of the torsional spring is fixedly connected with the side wall of the connecting rotating shaft, a rotating plate is fixedly installed at the top of the connecting rotating shaft, a pressed rotating head is fixedly installed at the other side of the rotating plate, the pressed rotating head is in close contact with the side wall of a right trapezoid limiting plate, and is rotatably connected with the inclined plane of the right trapezoid limiting plate, and a limiting plate is fixedly installed at the bottom of the connecting shaft is provided with a limiting column.
Preferably, be located L type installation steel both sides equal fixed mounting has stereoplasm aluminium bar, and is two sets of on the connecting block stereoplasm aluminium bar runs through bridge shaped steel both sides wall through two sets of conducting holes respectively, and respectively with two sets of conducting hole inside wall sliding connection, be located two sets of in the bridge shaped steel outside equal fixed mounting has metal iron disc, two sets of on the stereoplasm aluminium bar metal iron disc centre of a circle department all with stereoplasm aluminium bar fixed connection.
Preferably, the electromagnetism blocking device still includes electromagnet device, electromagnet device is equipped with two sets ofly, and is two sets ofly electromagnet device is located two sets of metal iron plate outsides respectively, and center department and the metal iron plate centre of a circle lie in same water flat line, electromagnet device includes the installation frame, the installation frame is equipped with two sets ofly, and is two sets ofly installation frame top lateral wall all with protecting crust top inside wall fixed connection, two sets ofly installation frame middle part fixed mounting has same receiving around the iron core, it has the conductive coil to receive to wind on the iron core lateral wall, it has the post magnetism to inhale the board to receive around iron core inside wall fixed mounting, it has been seted up in the middle part of the post magnetism to inhale the board and has been inserted the sliding hole, and is two sets ofly stereoplasm aluminium bar lateral wall respectively with two sets of receiving insert the downthehole lateral wall sliding connection that slides, and be located two sets of receiving respectively and insert inside the sliding hole.
Preferably, the bottom of the protective shell is fixedly connected with the top of the cabinet body, the limiting clamping column is located on the outer side of the cabinet body, a cabinet cover is rotatably connected to one side of the cabinet body, a limiting groove is formed in one side of the top of the cabinet cover, and the limiting clamping column is clamped with the limiting groove.
The beneficial effects of the invention are:
1. when a cover of a switch cabinet needs to be opened and an electrical element in the cabinet body is overhauled, the electromagnet device at the rightmost end is disconnected, a conductive coil in the electromagnet device at the leftmost end is powered, the magnetic suction plate with the column is magnetized, electromagnetic suction force is generated between the magnetic suction plate with the column and the metal iron disc at the leftmost end, when the suction force is larger than the elastic force of a torsion spring in L-shaped mounting steel, the metal iron disc at the leftmost end drives the L-shaped mounting steel to move leftwards integrally through a hard aluminum rod, under the resistance action of a right-angle trapezoid limiting plate, the torsion spring rotates to be compressed and simultaneously drives a connecting rotating shaft to rotate, so that a limiting clamping column connected with the rotating shaft rotates, the limiting clamping column synchronously moves leftwards along with the L-shaped mounting steel while rotating, so that the limiting clamping column is separated from a limiting groove and deflects, an operator can open the switch cabinet by rotating a rotating cover, after the switch cabinet is opened, the conductive coil at the leftmost end can be powered off, so that the torsion spring can drive the L-shaped mounting steel to move rightmost and deflect, and drive the limiting clamping column to return to the conductive coil to be powered on and close the conductive coil at the left end when the conductive coil is powered on the cover, and the conductive coil, the left end, and the conductive coil is powered on the left end, and the conductive coil is powered-off operation is blocked;
2. when this cubical switchboard is in the closure state, L type installation steel was located the right-hand member this moment, the hypotenuse of pressurized turn-round and right trapezoid limiting plate is the lowest contact promptly, and simultaneously, the electromagnet device who is located the right-hand member is in operating condition, the metal iron disc that is located the right-hand member promptly receives appeal right, this moment, under the effect of torsional spring and magnetic force in L type installation steel, L type installation steel is spacing, spacing calorie of post is difficult to take place to deflect, spacing calorie of post and spacing groove combine closely promptly, the cabinet lid of this cubical switchboard is difficult to be opened this moment, realized "open not closed", the effect that the closure can not be opened ", utilize the dual limiting action of torsional spring and magnetic force, make its closure inseparabler, the cooperation of traditional lock core and tapered end has been abandoned, service life thereof is prolonged.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus provided by the present invention;
FIG. 2 is a view of the installation position of the protective shell according to the present invention;
FIG. 3 is a schematic view of a structure in which a limit post and a limit groove provided in the present invention are not engaged with each other;
FIG. 4 is a schematic view of a structure of the present invention in which a position-limiting locking post is engaged with a position-limiting groove;
FIG. 5 is a disassembled view of the electromagnetic latching unit provided by the present invention;
FIG. 6 is a schematic structural view of a rotary locking assembly provided by the present invention;
FIG. 7 is a schematic view of the internal structure of a bridge steel provided by the present invention;
FIG. 8 is a view of the installation structure of the L-shaped installation steel provided by the present invention;
fig. 9 is an exploded view of an electromagnet device according to the present invention.
In the figure: the electromagnetic locking device 100, the rotary locking component 110, the bridge-shaped steel 111, the right trapezoid limiting plate 112, the via hole 113, the limiting sliding column 114, the sliding rail 115, the L-shaped mounting steel 116, the connecting block 117, the torsion spring 118, the connecting rotating shaft 119, the rotating plate 120, the pressed rotating head 121, the limiting clamping column 122, the hard aluminum rod 130, the metal iron disc 131, the electromagnet device 140, the mounting frame 141, the wound iron core 142, the conductive coil 143, the magnetic attraction plate with column 144, the inserted sliding hole 145, the protective shell 150, the cabinet 200, the cabinet cover 210 and the limiting groove 220.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1 to 9, the mis-locking prevention device for a switch cabinet provided by the present invention includes an electromagnetic locking device 100 and a cabinet 200, wherein the electromagnetic locking device 100 is located at the top of the cabinet 200 and is connected to the cabinet 200, the electromagnetic locking device 100 includes a protective shell 150: further comprising: the electromagnetic locking device 100 is positioned inside the protective shell 150 and connected with the protective shell 150;
the electromagnetic locking device 100 comprises bridge-shaped steel 111, the rear side wall of the bridge-shaped steel 111 is fixedly connected with the inner side wall of the top of the protective shell 150, a right-angle trapezoid limiting plate 112 is fixedly installed on the inner side wall of the top of the bridge-shaped steel 111, the right-angle side wall of the right-angle trapezoid limiting plate 112 is perpendicular to the inner side wall of the bridge-shaped steel 111, through holes 113 are formed in both side walls of the bottom of the bridge-shaped steel 111, two groups of through holes 113 are located on the same horizontal line, the same limiting sliding column 114 is fixedly installed on the inner walls of both sides of the middle of the bridge-shaped steel 111, a sliding rail 115 is fixedly installed on the inner side wall of the bottom of the bridge-shaped steel 111, and two ends of the sliding rail 115 are respectively connected with the inner walls of both sides of the bridge-shaped steel 111;
the electromagnetic locking device 100 further comprises L-shaped mounting steel 116, the rear side surface of the L-shaped mounting steel 116 is slidably connected 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 slidably connected with the L-shaped mounting steel 116, connecting blocks 117 are fixedly mounted 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 and the rotating plate 120 to rotate, the pressure-bearing rotating head 121 tends to rotate, a right-angle trapezoidal limiting plate 112 can prevent the pressure-bearing 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 rotatably connected with a hole in the middle of the L-shaped mounting steel 116 through a torsion spring 118, the top of the connecting rotating shaft 119 is fixedly provided with a rotating plate 120, the other side of the rotating plate 120 is fixedly provided with a pressed rotating head 121, the pressed rotating head 121 is tightly contacted with the side wall of the bevel edge of the right trapezoid limiting plate 112 and is rotatably connected with the bevel edge of the right trapezoid limiting plate 112, the bottom of the connecting rotating shaft 119 is fixedly provided with a limiting clamping column 122, specifically, when a cabinet cover 210 of the switch cabinet needs to be opened and electrical components inside the cabinet body 200 are overhauled, 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 part of the bevel edge close to the right trapezoid limiting plate 112), the magnetic attraction plate 144 with the column is magnetized, electromagnetic attraction is generated between the magnetic attraction plate 144 with the column and the metal iron disc 131 at the leftmost end, when the attraction 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 move leftwards integrally through the hard aluminum rod 130, under the resistance action of the right-angle trapezoidal limiting plate 112 (the right-angle trapezoidal limiting plate 112 blocks the rotating plate 120 to rotate, and simultaneously, the pressed rotating head 121 drives the rotating plate 120 to rotate towards the direction in which the torsion spring 118 is compressed), at this time, the torsion spring 118 rotates, so that the torsion spring is compressed, and simultaneously, the connecting rotating shaft 119 is driven to rotate, so that the limiting clamping column 122 connected with the connecting rotating shaft 119 rotates, the limiting clamping column 122 rotates, and simultaneously, the L-shaped mounting steel 116 synchronously moves leftwards (i.e., moves towards the direction away from the limiting groove 220), so that the limiting clamping column 122 is separated from the limiting groove 220 and deflects, at this time, an operator can open the switch cabinet by rotating the rotating cover, after opening the switch cabinet, the conducting coil 143 at the leftmost end is powered off, at this time, the torsion spring 118 can generate power on, thereby, the L-shaped mounting steel 116 is driven to move rightwards, the limiting clamping column 122 deflects at the same time, the switch cabinet is locked to return to the conducting coil 143 at the leftmost conductive coil 143 which is not powered on, and the counter force of the switch cabinet cover can be turned on, and the conducting coil 143 which is closed, at this time, the rightmost end of the conducting coil cover is closed, and the rightmost end of the conducting coil 143 which is powered on-on operation of the conducting coil 210 after the counter-operated by the counter-operated cabinet cover, and the rightmost-on-operated cabinet 210.
Further, equal fixed mounting has stereoplasm aluminium bar 130 on the connecting block 117 that is located L type installation steel 116 both sides, two sets of stereoplasm aluminium bars 130 run through bridge type steel 111 both sides wall through two sets of conducting holes 113 respectively, and respectively with two sets of conducting holes 113 inside wall sliding connection, equal fixed mounting has metal iron disc 131 on two sets of stereoplasm aluminium bars 130 that are located the bridge type steel 111 outside, two sets of metal iron disc 131 centre of a circle department all with stereoplasm aluminium bar 130 fixed connection, concretely, when giving electromagnet device 140 circular telegram, can make the pole of taking magnetism board 144 magnetized, the pole of taking magnetism board 144 after the magnetization can produce the electromagnetic force with between the metal iron disc 131, thereby it drives stereoplasm aluminium bar 130 and moves to tend to make metal iron disc 131, thereby drive the L type installation steel 116 of being connected with stereoplasm aluminium bar 130 and move.
Further, the electromagnetic locking device 100 further includes two sets of electromagnet devices 140, the two sets of electromagnet devices 140 are disposed, the two sets of electromagnet devices 140 are respectively disposed outside the two sets of metal iron disks 131, the center of the two sets of metal iron disks and the center of the metal iron disks 131 are located on the same horizontal line, the electromagnet devices 140 include two sets of mounting frames 141, top sidewalls of the two sets of mounting frames 141 are both fixedly connected to an inner sidewall of a top of the protective housing 150, the protective housing 150 supports the electromagnetic locking device 100, the same wound iron core 142 is fixedly disposed in the middle of the two sets of mounting frames 141, the conductive coil 143 is wound on an outer sidewall of the wound iron core 142, the conductive coil 143 inside the inner sidewall of the wound iron core 142 is fixedly disposed, the inserted sliding holes 145 are disposed in the middle of the inserted magnetic plate 144, outer sidewalls of the two sets of hard aluminum rods 130 are respectively slidably connected to inner sidewalls of the two sets of inserted sliding holes 145, and are respectively disposed inside the two sets of inserted sliding holes 145, specifically, power is supplied to the conductive coil 143 in the electromagnet device 140 at a highest position of the inclined side of the right-angle trapezoidal limiting plate 112, so that the magnetic plate 144 is magnetized, the magnetic plate with the pole generates a magnetic attraction force between the magnetic plate, and the magnetic plate, when the magnetic attraction force of the electromagnetic iron disk is greater than the L type metal iron disk 116L, and drives the magnetic plate, and the magnetic attraction force of the electromagnetic iron disk, when the electromagnetic device 116L, and the electromagnetic locking plate, and the electromagnetic locking plate moves to the electromagnetic locking plate 116L.
Further, protective housing 150 bottom and cabinet body 200 top fixed connection, cabinet body 200 provides mounted position and support for protective housing 150, and spacing calorie of post 122 is located the cabinet body 200 outside, and cabinet body 200 one side is rotated and is connected with cabinet cover 210, and spacing groove 220 has been seted up to cabinet cover 210 top one side, and spacing calorie of post 122 and spacing groove 220 block come closed cabinet cover 210 through making spacing calorie of post 122 and spacing groove 220 block.
The using process of the invention is as follows: when the switch cabinet is in a closed state, the L-shaped mounting steel 116 is located at the rightmost end, that is, the pressed rotary head 121 is in contact with the lowest position of the bevel edge of the right trapezoid limiting plate 112, meanwhile, the electromagnet device 140 located at the rightmost end is in a working state, that is, the metal iron disc 131 located at the rightmost end is attracted rightwards, at this moment, under the action of the torsion spring 118 and magnetic force in the L-shaped mounting steel 116, the L-shaped mounting steel 116 is limited, the limiting clamping column 122 is difficult to deflect, that is, the limiting clamping column 122 is tightly combined with the limiting groove 220, and at this moment, the cabinet cover 210 of the switch cabinet is difficult to be opened;
when the cover 210 of the switch cabinet needs to be opened to overhaul the electrical components inside the cabinet 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 (i.e. the highest position of the bevel edge close to the right trapezoid limiting plate 112), the magnetic attraction plate 144 with the column is magnetized, an electromagnetic attraction force is generated between the magnetic attraction plate 144 with the column and the metal iron plate 131 at the leftmost end, when the attraction force is greater than the elastic force of the torsion spring 118 in the L-shaped mounting steel 116, the metal iron plate 131 at the leftmost end drives the L-shaped mounting steel 116 to move leftward integrally through the hard aluminum rod 130, under the resistance of the right trapezoid limiting plate 112 (the right trapezoid limiting plate 112 blocks the rotation of the rotating plate 120, and the pressed rotating head 121 drives the rotating plate 120 to rotate in the direction in which the torsion spring 118 is compressed along with the leftward movement of the L-shaped mounting steel 116), at this time, the torsion spring 118 rotates, the limiting clamp column 122 connected with the connecting rotating shaft 119 rotates, the limiting clamp column 122 synchronously moves leftwards (namely moves towards the direction of separating from the limiting groove 220) along with the L-shaped mounting steel 116 while rotating, so that the limiting clamp column 122 separates from the limiting groove 220 and deflects, at the moment, an operator can open the switch cabinet by rotating the rotating cover, the conductive coil 143 at the leftmost end is powered off after the switch cabinet is opened, at the moment, the torsion spring 118 generates counter force to drive the L-shaped mounting steel 116 to move rightwards, and simultaneously drive the limiting clamp column 122 to deflect, so that the limiting clamp column is restored to the state that the conductive coil 143 at the leftmost end is not powered on, at the moment, the limiting clamp column 122 can prevent the cabinet cover 210 of the switch cabinet from being closed, and the operation of preventing misoperation locking is realized, after the overhaul is finished, the conducting coil 143 at the leftmost end is electrified again, then the cabinet cover 210 is closed, the conducting coil 143 at the leftmost end is powered off, and then the conducting coil 143 at the rightmost end is electrified.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a cubical switchboard is prevented mistake blocking device, includes electromagnetism blocking device (100) and the cabinet body (200), electromagnetism blocking device (100) are located cabinet body (200) top, and are connected its characterized in that with the cabinet body (200): the electromagnetic latching device (100) comprises a protective shell (150): further comprising: the electromagnetic locking device (100) is positioned inside the protective shell (150) and is connected with the protective shell (150);
the electromagnetic locking device (100) comprises bridge-shaped steel (111), the rear side wall of the bridge-shaped 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 mounted on the inner side wall of the top of the bridge-shaped steel (111), the right trapezoid limiting plate (112) is vertically arranged with the inner side wall of the bridge-shaped steel (111), via holes (113) are formed in both side walls of the bottom of the bridge-shaped steel (111), two groups of the via holes (113) are located on the same horizontal line, the same limiting sliding column (114) is fixedly mounted on the inner walls of both sides of the middle of the bridge-shaped steel (111), a sliding rail (115) is fixedly mounted on the inner side wall of the bottom of the bridge-shaped steel (111), and two ends of the sliding rail (115) are respectively connected with the inner walls of both sides of the bridge-shaped steel (111);
the electromagnetic latching device (100) further comprises L-shaped mounting steel (116), the rear side surface of the L-shaped mounting steel (116) is connected with the inner side wall of the bridge-shaped steel (111) in a sliding way through a sliding rail (115), the limiting sliding column (114) penetrates through two side walls of the L-shaped mounting steel (116), and is connected with the L-shaped mounting steel (116) in a sliding way, two side walls of the bottom of the L-shaped mounting steel (116) are fixedly provided with connecting blocks (117), a hole is arranged 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 hole in the middle of the L-shaped mounting steel (116), 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 top of the connecting rotating shaft (119) is fixedly provided with a rotating plate (120), a 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 side wall of the bevel edge of the right-angled trapezoid limiting plate (112), and is connected with the inclined plane rotation of right trapezoid limiting plate (112), connect pivot (119) bottom fixed mounting have spacing card post (122).
2. The anti-misoperation locking device for the switch cabinet according to claim 1, wherein: lie in L type installation steel (116) both sides equal fixed mounting has stereoplasm aluminium bar (130), and is two sets of on connecting block (117) stereoplasm aluminium bar (130) run through bridge shaped steel (111) both sides wall through two sets of conducting holes (113) respectively, and respectively with two sets of conducting holes (113) inside wall sliding connection, lie in two sets of in bridge shaped steel (111) the outside equal fixed mounting has metal iron disc (131), two sets of on stereoplasm aluminium bar (130) metal iron disc (131) centre of a circle department all with stereoplasm aluminium bar (130) fixed connection.
3. The misoperation-preventive locking device for the switch cabinet according to claim 2, wherein: electromagnetic locking device (100) still includes electromagnet device (140), electromagnet device (140) are equipped with two sets ofly, two sets ofly electromagnet device (140) are located two sets of metal iron disc (131) outsides respectively, and center department and metal iron disc (131) centre of a circle are located same water flat line, electromagnet device (140) are including installation frame (141), installation frame (141) are equipped with two sets ofly, two sets ofly installation frame (141) top lateral wall all with protecting crust (150) top inside wall fixed connection, two sets of installation frame (141) middle part fixed mounting has same receiving around iron core (142), receive to twine on around iron core (142) lateral wall conductive coil (143), receive around iron core (142) inside wall fixed mounting have and take post magnetism to inhale board (144), take post magnetism to inhale board (144) middle part seted up and received to insert sliding hole (145), two sets of stereoplasm aluminium bar (130) lateral wall respectively with two sets of receiving to insert sliding hole (145) inside wall sliding connection, and be located respectively and receive to insert sliding hole (145).
4. The anti-misoperation locking device for the switch cabinet according to claim 1, wherein: protective housing (150) bottom and the cabinet body (200) top fixed connection, spacing calorie of post (122) are located the cabinet body (200) outside, cabinet body (200) one side is rotated and is connected with cabinet lid (210), spacing groove (220) have been seted up to cabinet lid (210) top one side, spacing calorie of post (122) and spacing groove (220) block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089921.0A CN115405178B (en) | 2022-09-07 | 2022-09-07 | Misoperation-preventive locking device of switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089921.0A CN115405178B (en) | 2022-09-07 | 2022-09-07 | Misoperation-preventive locking device of switch cabinet |
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| CN115405178A true CN115405178A (en) | 2022-11-29 |
| CN115405178B CN115405178B (en) | 2024-04-02 |
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| CN208401297U (en) * | 2018-06-06 | 2019-01-18 | 南阳飞龙电器有限公司 | A kind of switchgear of anti-misoperation locking |
| CN112332258A (en) * | 2020-11-11 | 2021-02-05 | 杭州耐立电气有限公司 | Anti-misoperation intelligent switch cabinet |
| CN214176495U (en) * | 2021-02-02 | 2021-09-10 | 国网江苏省电力有限公司句容市供电分公司 | Anti-misoperation locking device of distribution network switch cabinet |
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|---|---|
| CN115405178B (en) | 2024-04-02 |
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