CN112635212A - Locking device for preventing misoperation of power system - Google Patents
Locking device for preventing misoperation of power system Download PDFInfo
- Publication number
- CN112635212A CN112635212A CN202011625994.8A CN202011625994A CN112635212A CN 112635212 A CN112635212 A CN 112635212A CN 202011625994 A CN202011625994 A CN 202011625994A CN 112635212 A CN112635212 A CN 112635212A
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- fixedly connected
- locking device
- power system
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- outer walls
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- 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
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Circuit Breakers (AREA)
Abstract
The invention belongs to the technical field of locking devices, and particularly relates to a locking device for preventing misoperation of an electric power system. According to the invention, by arranging the buffer plate and the buffer spring, when the clamping ring on the fixing frame is driven to move by the air cylinder, the buffer spring is contracted to play a role of damping and buffering, and the action force of resilience of the buffer spring drives the clamping ring to slightly move, so that progressive matching can be formed by the buffer plate and the buffer spring, the laminated plate and the reciprocating spring, and the buffering safety protection performance of the locking device is further improved.
Description
Technical Field
The invention relates to the technical field of locking devices, in particular to a locking device for preventing misoperation of an electric power system.
Background
The locking device mainly refers to: and the circuit breaker is prevented from being opened and closed by mistake. The isolating switch is prevented from being switched on and off under load; preventing the charged hanging (closing) of a grounding wire (a grounding switch); prevent the circuit breaker (isolating switch) from being closed with the grounding wire (grounding switch); prevent the false entering into the electrified interval; the conventional anti-misoperation locking modes mainly comprise 4 modes: the mechanical locking, the program lock, the electric interlocking and the electromagnetic lock play a positive role in preventing misoperation, and practice proves that the advantages and the disadvantages of various traditional locking modes are fully displayed.
When the locking device of the misoperation prevention of the existing power system is used for protecting the misoperation of electric power, the adjusting assembly in the locking device drives the clamping assembly to clamp and move the electrode plate inside the electric power button, no retention feeling exists in the moving process, if the clamping assembly slides a little bit, the damage of the clamping assembly to the electrode plate cannot be repaired, the electrode plate inside the electric power button is easily damaged, and therefore the locking device is lack of buffering safety protection measures.
Disclosure of Invention
When the locking device for preventing misoperation of the existing power system is used for protecting misoperation of the power system, when the adjusting assembly in the locking device drives the clamping assembly to clamp and move the electrode plate in the power button, no detention feeling exists in the moving process, if the clamping slides a little bit, the damage of the electrode plate caused by the clamping assembly cannot be repaired, the electrode plate in the power button is easily damaged, and therefore the locking device is lack of buffering safety protection measures.
The invention provides a locking device for preventing misoperation of an electric power system, which comprises side frames, wherein two limiting chutes are fixedly connected to the outer walls of the opposite sides of the two side frames, the inner wall of each limiting chute is connected with a sliding block in a sliding manner, the outer walls of the two sliding blocks on the same side frame are fixedly connected with the same fixing frame, the inner walls of the two sides of the fixing frame are fixedly connected with the same adjusting plate, the outer walls of the bottoms of the two side frames are fixedly connected with the same base, the side frames are fixedly connected with reciprocating springs at equal distances close to the outer walls of the two limiting chutes, the outer walls of a plurality of buffer springs on the same horizontal plane are fixedly connected with the same layer plate, and the outer walls of the layer.
Preferably, the bottom outer wall of the side frame is fixedly connected with two cylinders, the top outer walls of the two cylinders are fixedly connected with buffer plates, and the buffer plates are partially located below the adjusting plates.
Preferably, the top outer wall of the buffer plate is fixedly connected with buffer springs at equal intervals, and the buffer springs are fixedly connected to the bottom outer wall of the adjusting plate.
Preferably, two equal fixedly connected with pneumatic cylinder No. one of the relative one side outer wall of mount, and the equal fixedly connected with grip ring of relative one side outer wall of two pneumatic cylinders.
Preferably, the inner walls of the two clamping rings are fixedly connected with friction teeth at equal distances, the outer walls of the two sides of each friction tooth are fixedly connected with branch teeth at equal distances, and the branch teeth at the two sides of each friction tooth are distributed by taking the friction teeth as symmetrical points.
Preferably, equal fixedly connected with of the equal fixedly connected with of one side outer wall of the relative of side bearer No. two pneumatic cylinders is insulating limiting plate, and two insulating limiting plates all are located the below of regulating plate.
Preferably, two equal fixedly connected with propulsion board of one side outer wall relative of insulation limiting plate, and two propulsion boards are the right angle triangular pyramid structure.
Preferably, the top outer walls of the two propelling plates are fixedly connected with limiting rods at equal distances, and the horizontal plane formed by the limiting rods and the plane of the propelling plate are horizontal.
Preferably, each outer wall of the lower part of each limiting rod is fixedly connected with a miniature blocking rod, the outer wall of the top of each limiting rod is fixedly connected with a sliding rod, and each sliding rod is of an arc-shaped structure.
Preferably, the slider all opens flutedly towards the both sides outer wall of spacing spout both sides inner wall, and the equal fixedly connected with of inner wall of two recesses No. two pneumatic cylinders No. three, is located the same connecting block of outer wall fixedly connected with of two pneumatic cylinders No. three of one side, the equal distance fixedly connected with extrusion piece of one side outer wall in opposite directions of two connecting blocks.
The beneficial effects of the invention are as follows:
1. through being provided with lamination board and reciprocal spring, when driving the electrode slice on the grip ring through the cylinder and rising, the mount produces the extrusion to the lamination board, reciprocal spring shrink, carry out cascaded slight the stopping to the mount through each lamination board, if the insecure condition of centre gripping appears, cascaded stopping can make inside friction tooth of grip ring and the connection of minute tooth and electrode slice inseparabler, and simultaneously, the slight spacing messenger's of the gradual progress formula of level grip ring on the mount drives the electrode slice and rises in the gradual progress formula, avoid quick rising to cause the damage that can't remedy to the electrode slice, improve this blocking device's buffering safety protection performance, the round bar is all installed near middle position at every lamination board, the existence of round bar prevents that the mount card from appearing staying at the buffering point of lamination board, ensure to prevent that the maloperation equipment can normally go on.
2. Through setting up buffer board and buffer spring, when driving the grip ring on the mount through the cylinder and removing, buffer spring contracts, plays the effect of shock attenuation buffering, and the effort that buffer spring kick-backed drives the grip ring and slightly removes to can form a progressive formula cooperation through buffer board and buffer spring and layering board and reciprocating spring, further improve this blocking device's buffering safety protection performance.
3. Through being provided with the friction tooth and dividing the tooth, when carrying out the centre gripping of electrode slice through the grip ring, the friction resistance that the electrode slice outer wall received is improved in the existence of friction tooth to improve the fastness in its accommodation process, simultaneously, divide the tooth to use the friction tooth to radiate to both sides as the symmetric point, make and form a short-lived friction scope return circuit between branch tooth and the friction tooth, further improve the fastness of centre gripping.
4. Through being provided with insulating limiting plate and propulsion board, after the electrode slice is driven from rising by the centre gripping clitellum, adjust the propulsion board that No. two pneumatic cylinders drove on the insulating limiting plate and impel to the bottom of electrode slice, the propulsion board is the swash plate structure, can extrude the bottom of electrode slice for the slow removal of insulating limiting plate is spacing to the bottom of electrode slice, and simultaneously, the propulsion in-process of propulsion board plays supplementary effect to the rising of electrode slice.
5. Through being provided with gag lever post, miniature arresting bar and slide bar, when carrying out the propulsion of electrode slice through the propulsion board, the stress end of gag lever post becomes parallel with the propulsion board and places, and the gag lever post plays and advances the effect progressively layer by layer, and miniature arresting bar plays spacing effect to the bottom of electrode slice, prevents its condition of appearing the back slip, and the slide bar on gag lever post top is the arc structure, reduces the wearing and tearing that cause the electrode slice among the propulsion process.
6. Through being provided with No. three pneumatic cylinders, extrusion piece and connecting block, drive the mount through the cylinder and rise to a certain extent, the electrode slice releases closed department with power button, then adjusts the extrusion piece that No. three pneumatic cylinders drove on the connecting block and extrudees the inner wall of spacing spout for the slider rigidity prevents the trouble of gliding, avoids the emergence of secondary maloperation.
Drawings
Fig. 1 is a schematic overall structure diagram of a locking device for preventing misoperation in an electrical power system according to the present invention;
FIG. 2 is a schematic diagram of a hierarchical structure of a locking device for preventing misoperation in an electrical power system according to the present invention;
FIG. 3 is a side view of a portion of the locking device for preventing misoperation in an electrical power system according to the present invention;
FIG. 4 is a schematic view of a clamp ring structure of a locking device for preventing misoperation in an electrical power system according to the present invention;
FIG. 5 is a schematic structural diagram of a buffer plate of a locking device for preventing an error operation in an electrical power system according to the present invention;
fig. 6 is a schematic structural diagram of an insulation limiting plate of a locking device for preventing an error operation in an electrical power system according to the present invention;
FIG. 7 is an enlarged view of the portion A of FIG. 6;
fig. 8 is a cross-sectional view of a slider structure of a locking device for preventing misoperation in an electric power system, which is provided by the invention.
In the figure: the device comprises a side frame 1, a layer 2 plate, a limit chute 3, a sliding block 4, a fixing frame 5, a hydraulic cylinder 6, an adjusting plate 7, a base 8, a cylinder 9, a round rod 10, a reciprocating spring 11, a hydraulic cylinder 12 II, a clamping ring 13, a friction tooth 14, a tooth 15, a buffer plate 16, a buffer spring 17, an insulating limit plate 18, a pushing plate 19, a limit rod 20, a miniature blocking rod 21, a sliding rod 22, a groove 23, a hydraulic cylinder 24 III, an extrusion block 25 and a connecting block 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-7, a locking device for preventing misoperation of an electric power system comprises side frames 1, two limiting chutes 3 are fixedly connected to the outer walls of opposite sides of the two side frames 1, a sliding block 4 is slidably connected to the inner wall of each limiting chute 3, the outer walls of the two sliding blocks 4 on the same side frame 1 are fixedly connected to the same fixing frame 5, the inner walls of two sides of the fixing frame 5 are fixedly connected to the same adjusting plate 7, the outer walls of the bottoms of the two side frames 1 are fixedly connected to the same base 8, the side frames 1 are fixedly connected to reciprocating springs 11 at equal distances close to the outer walls of the two limiting chutes 3, the outer walls of a plurality of buffer springs 11 on the same horizontal plane are fixedly connected to the same layered plate 2, the outer wall of the layered plate 2 close to a middle turning point is fixedly connected to a round rod 10, and when an electrode plate on a clamping ring 13 is, mount 5 produces the extrusion to level board 2, 11 shrink of reciprocating spring, carry out cascaded slight blocking to mount 5 through each level board 2, if the insecure condition of centre gripping appears, cascaded blocking can make 13 inside friction tooth 14 of grip ring and divide the connection of tooth 15 and electrode slice inseparabler, and simultaneously, the level progressively slightly spacing makes grip ring 13 on the mount 5 drive the electrode slice and progressively rises, avoid rapid rising to cause the damage that can't compensate to the electrode slice, improve this locking device's buffering safety protection performance, round bar 10 is all installed near middle position at every level board 2, the existence of round bar 10 prevents that 5 cards of mount from appearing being detained at the buffering point of level board 2, ensure to prevent that the maloperation equipment can normally go on.
According to the side frame structure, the two air cylinders 9 are fixedly connected to the outer wall of the bottom of the side frame 1, the outer walls of the tops of the two air cylinders 9 are fixedly connected with the buffer plate 16, the buffer plate 16 is partially located below the adjusting plate 7, the outer walls of the tops of the buffer plates 16 are fixedly connected with the buffer springs 17 at equal intervals, and the buffer springs 17 are fixedly connected to the outer wall of the bottom of the adjusting plate 7.
As a further scheme of the invention, the outer walls of the opposite sides of the two fixing frames 5 are fixedly connected with the first hydraulic cylinder 6, the outer walls of the opposite sides of the two first hydraulic cylinders 6 are fixedly connected with the locking devices for preventing misoperation of the force systems of the clamping rings 13, the inner walls of the two clamping rings 13 are fixedly connected with friction teeth 14 at equal distances, the outer walls of the two sides of each friction tooth 14 are fixedly connected with branch teeth 15 at equal distances, and the branch teeth 15 positioned on the two sides of each friction tooth 14 are distributed by taking the friction teeth 14 as symmetrical points.
As a further scheme of the invention, the outer wall of one opposite side of the side frame 1 is fixedly connected with a second hydraulic cylinder 12, the outer wall of one opposite side of each of the two second hydraulic cylinders 12 is fixedly connected with an insulating limit plate 18, the two insulating limit plates 18 are positioned below the adjusting plate 7, the outer wall of one opposite side of each of the two insulating limit plates 18 is fixedly connected with a pushing plate 19, the two pushing plates 19 are of a right-angle triangular pyramid structure, the outer walls of the tops of the two pushing plates 19 are fixedly connected with limit rods 20 at equal distances, a horizontal plane formed by the limit rods 20 is horizontal to the plane of the pushing plate 19, the outer wall of the lower side of each limit rod 20 is fixedly connected with a miniature blocking rod 21, the outer wall of the top of each limit rod 20 is fixedly connected with a slide rod 22, and the slide rod.
When the electric power button is used, if misoperation occurs in the working process of an electric power system, when the electric power button is pressed down under the condition of no need, a circuit is broken or other faults occur, a locking device in the electric power button starts to work, the first hydraulic cylinder 6 drives the friction teeth 14 and the separating teeth 15 on the clamping ring 13 to clamp and fix the electrode plate of the electric power button, then the adjusting cylinder 9 drives the fixing frame 5 to ascend, the fixing frame 5 extrudes the layer plates 2 in the ascending process of the fixing frame 5, the reciprocating springs 11 contract, the fixing frame 5 is slightly blocked in a stepped manner through the layer plates 2, if infirm clamping occurs, the stepped blocking can enable the connection between the friction teeth 14 and the separating teeth 15 in the clamping ring 13 and the electrode plate to be tighter, and meanwhile, the clamping ring 13 on the fixing frame 5 drives the electrode plate to ascend in a progressive manner through the stepped slight limitation, avoid rapid rise to cause the irreparable damage to the electrode slice, improve the buffering safety protection performance of this blocking device, all install round bar 10 in every level board 2 near the middle position, the existence of round bar 10 prevents that mount 5 card from appearing detaining at the buffering point of level board 2, meanwhile, buffer spring 17 contracts, play the effect of shock attenuation buffering, buffer spring 17 rebounds the effort and drives grip ring 13 and slightly move, thereby can form a progressive cooperation through buffer plate 16 and buffer spring 17 and level board 2 and reciprocating spring 11, after the electrode slice is taken away from rising by grip ring 13, adjust No. two pneumatic cylinder 12 and drive propulsion board 19 on the insulating limiting plate 18 and impel to the bottom of electrode slice, propulsion board 19 is the swash plate structure, can extrude the bottom of electrode slice, make insulating limiting plate 18 slowly move to the bottom of electrode slice, the electrode plate is limited, and locking of misoperation prevention is completed.
Example 2
Referring to fig. 1-8, a locking device for preventing misoperation of an electric power system comprises side frames 1, two limiting chutes 3 are fixedly connected to the outer walls of opposite sides of the two side frames 1, a sliding block 4 is slidably connected to the inner wall of each limiting chute 3, the outer walls of the two sliding blocks 4 on the same side frame 1 are fixedly connected to the same fixing frame 5, the inner walls of two sides of the fixing frame 5 are fixedly connected to the same adjusting plate 7, the outer walls of the bottoms of the two side frames 1 are fixedly connected to the same base 8, the side frames 1 are fixedly connected to reciprocating springs 11 at equal distances close to the outer walls of the two limiting chutes 3, the outer walls of a plurality of buffer springs 11 on the same horizontal plane are fixedly connected to the same layered plate 2, the outer wall of the layered plate 2 close to a middle turning point is fixedly connected to a round rod 10, and when an electrode plate on a clamping ring 13 is, mount 5 produces the extrusion to level board 2, 11 shrink of reciprocating spring, carry out cascaded slight blocking to mount 5 through each level board 2, if the insecure condition of centre gripping appears, cascaded blocking can make 13 inside friction tooth 14 of grip ring and divide the connection of tooth 15 and electrode slice inseparabler, and simultaneously, the level progressively slightly spacing makes grip ring 13 on the mount 5 drive the electrode slice and progressively rises, avoid rapid rising to cause the damage that can't compensate to the electrode slice, improve this locking device's buffering safety protection performance, round bar 10 is all installed near middle position at every level board 2, the existence of round bar 10 prevents that 5 cards of mount from appearing being detained at the buffering point of level board 2, ensure to prevent that the maloperation equipment can normally go on.
According to the side frame structure, the two air cylinders 9 are fixedly connected to the outer wall of the bottom of the side frame 1, the outer walls of the tops of the two air cylinders 9 are fixedly connected with the buffer plate 16, the buffer plate 16 is partially located below the adjusting plate 7, the outer walls of the tops of the buffer plates 16 are fixedly connected with the buffer springs 17 at equal intervals, and the buffer springs 17 are fixedly connected to the outer wall of the bottom of the adjusting plate 7.
As a further scheme of the invention, the outer walls of the opposite sides of the two fixing frames 5 are fixedly connected with the first hydraulic cylinder 6, the outer walls of the opposite sides of the two first hydraulic cylinders 6 are fixedly connected with the locking devices for preventing misoperation of the force systems of the clamping rings 13, the inner walls of the two clamping rings 13 are fixedly connected with friction teeth 14 at equal distances, the outer walls of the two sides of each friction tooth 14 are fixedly connected with branch teeth 15 at equal distances, and the branch teeth 15 positioned on the two sides of each friction tooth 14 are distributed by taking the friction teeth 14 as symmetrical points.
As a further scheme of the invention, the outer wall of one opposite side of the side frame 1 is fixedly connected with a second hydraulic cylinder 12, the outer wall of one opposite side of each of the two second hydraulic cylinders 12 is fixedly connected with an insulating limit plate 18, the two insulating limit plates 18 are positioned below the adjusting plate 7, the outer wall of one opposite side of each of the two insulating limit plates 18 is fixedly connected with a pushing plate 19, the two pushing plates 19 are of a right-angle triangular pyramid structure, the outer walls of the tops of the two pushing plates 19 are fixedly connected with limit rods 20 at equal distances, a horizontal plane formed by the limit rods 20 is horizontal to the plane of the pushing plate 19, the outer wall of the lower side of each limit rod 20 is fixedly connected with a miniature blocking rod 21, the outer wall of the top of each limit rod 20 is fixedly connected with a slide rod 22, and the slide rod.
Compare in embodiment 1, the both sides outer wall of slider 4 towards 3 both sides inner walls of spacing spout has all opened recess 23, and two No. three pneumatic cylinders 24 of the equal fixedly connected with of inner wall of two recesses 23, is located the same connecting block 26 of the outer wall fixedly connected with of two No. three pneumatic cylinders 24 of one side, and the impartial distance fixedly connected with extrusion piece 25 of one side outer wall in opposite directions of two connecting blocks 23.
During the use, compare in embodiment 1, drive mount 5 through cylinder 9 and rise to certain degree, the electrode slice pushes out the closed department with the electric power button, then adjusts No. three pneumatic cylinder 24 and drives the extrusion piece 25 on the connecting block 26 and extrude the inner wall of spacing spout 3 for slider 4 rigidity prevents the trouble of gliding, avoids the emergence of secondary maloperation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A locking device for preventing misoperation of an electric power system comprises side frames (1), and is characterized in that two limiting sliding grooves (3) are fixedly connected to the outer walls of the opposite sides of the two side frames (1), the inner wall of each limit sliding chute (3) is connected with a sliding block (4) in a sliding way, the outer walls of two sliding blocks (4) positioned on the same side frame (1) are fixedly connected with the same fixed frame (5), the inner walls of the two sides of the fixing frame (5) are fixedly connected with the same adjusting plate (7), and the outer walls of the bottoms of the two side frames (1) are fixedly connected with the same base (8), the side frame (1) is close to the outer walls of the two limiting chutes (3) and is fixedly connected with reciprocating springs (11) at equal distance, and the outer walls of the buffer springs (11) positioned on the same horizontal plane are fixedly connected with the same layer plate (2), and the outer wall of the layer plate (2) close to the middle turning point is fixedly connected with a round rod (10).
2. The locking device for preventing misoperation of the power system according to claim 1, wherein two cylinders (9) are fixedly connected to the outer bottom wall of the side frame (1), and a buffer plate (16) is fixedly connected to the outer top walls of the two cylinders (9), and part of the buffer plate (16) is located below the adjusting plate (7).
3. A locking device for preventing misoperation in an electric power system according to claim 2, wherein the top outer wall of the buffer plate (16) is fixedly connected with buffer springs (17) at equal intervals, and the buffer springs (17) are fixedly connected with the bottom outer wall of the adjusting plate (7).
4. The locking device for preventing misoperation of the power system according to claim 1, wherein the outer wall of one side opposite to the two fixing frames (5) is fixedly connected with a first hydraulic cylinder (6), and the outer wall of one side opposite to the two first hydraulic cylinders (6) is fixedly connected with a clamping ring (13).
5. A locking device for preventing misoperation of an electric power system according to claim 4, wherein friction teeth (14) are fixedly connected to the inner walls of the two clamping rings (13) at equal distances, partial teeth (15) are fixedly connected to the outer walls of the two sides of each friction tooth (14) at equal distances, and the partial teeth (15) on the two sides of each friction tooth (14) are distributed by taking the friction teeth (14) as a symmetrical point.
6. The locking device for preventing misoperation of the power system according to claim 1, wherein the outer walls of the opposite sides of the side frames (1) are fixedly connected with a second hydraulic cylinder (12), the outer walls of the opposite sides of the two second hydraulic cylinders (12) are fixedly connected with insulating limiting plates (18), and the two insulating limiting plates (18) are located below the adjusting plate (7).
7. The locking device for preventing misoperation of the power system according to claim 6, wherein the outer walls of the two opposite sides of the insulation limiting plates (18) are fixedly connected with pushing plates (19), and the two pushing plates (19) are of right-angle triangular pyramid structures.
8. The locking device for preventing misoperation of the power system according to claim 7, wherein the top outer walls of the two thrust plates (19) are fixedly connected with limiting rods (20) at equal distances, and a horizontal plane formed by the limiting rods (20) is horizontal to the plane of the thrust plates (19).
9. The locking device for preventing misoperation of the power system according to claim 8, wherein a miniature blocking rod (21) is fixedly connected to the outer wall of each limiting rod (20) at the lower part, a sliding rod (22) is fixedly connected to the outer wall of the top part of each limiting rod (20), and the sliding rod (22) is of an arc-shaped structure.
10. The locking device for preventing misoperation of the power system according to any one of claims 1 to 9, wherein grooves (23) are formed in two outer walls of the sliding block (4) facing the inner walls of two sides of the limiting sliding groove (3), two hydraulic cylinders (24) are fixedly connected to the inner walls of the two grooves (23), the same connecting block (26) is fixedly connected to the outer walls of the two hydraulic cylinders (24) on one side, and the extruding blocks (25) are fixedly connected to the outer walls of the two connecting blocks (23) on the opposite side at equal distances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625994.8A CN112635212B (en) | 2020-12-31 | 2020-12-31 | Locking device for preventing misoperation of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625994.8A CN112635212B (en) | 2020-12-31 | 2020-12-31 | Locking device for preventing misoperation of power system |
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| Publication Number | Publication Date |
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| CN112635212A true CN112635212A (en) | 2021-04-09 |
| CN112635212B CN112635212B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011625994.8A Active CN112635212B (en) | 2020-12-31 | 2020-12-31 | Locking device for preventing misoperation of power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770431A (en) * | 2022-04-02 | 2022-07-22 | 广西北投环保水务集团有限公司 | Municipal administration water utilities pipe engineering is with equipment of aliging |
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| CN210925805U (en) * | 2019-11-08 | 2020-07-03 | 孔一茗 | Locking device for preventing misoperation of switching during power transformation operation |
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| JP2011060540A (en) * | 2009-09-09 | 2011-03-24 | Ricoh Co Ltd | Interlock switch, and image forming apparatus using the same |
| CN205828207U (en) * | 2016-07-07 | 2016-12-21 | 上海昌鹭机电有限公司 | A kind of complete blocking device of mechanical electric |
| EP3683818A1 (en) * | 2017-09-15 | 2020-07-22 | ABB Schweiz AG | Switch apparatus and associated switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114770431A (en) * | 2022-04-02 | 2022-07-22 | 广西北投环保水务集团有限公司 | Municipal administration water utilities pipe engineering is with equipment of aliging |
| CN114770431B (en) * | 2022-04-02 | 2023-07-25 | 广西北投环保水务集团有限公司 | Municipal administration water affair pipeline engineering is with equipment of registering one's head |
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| Publication number | Publication date |
|---|---|
| CN112635212B (en) | 2022-07-22 |
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