CN220585094U - Five-prevention interlocking mechanism with program lock - Google Patents
Five-prevention interlocking mechanism with program lock Download PDFInfo
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- CN220585094U CN220585094U CN202322129315.3U CN202322129315U CN220585094U CN 220585094 U CN220585094 U CN 220585094U CN 202322129315 U CN202322129315 U CN 202322129315U CN 220585094 U CN220585094 U CN 220585094U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 230000009471 action Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The five-prevention interlocking mechanism with the program lock comprises a pulling piece, wherein the pulling piece is connected with a disconnecting switch, a disconnecting switch operating shaft and a grounding switch operating shaft; the program lock is matched with the poking piece, the program lock is connected with a lock rod for controlling the poking piece to slide, a gear hole is formed in the poking piece, and the poking piece controls the actions of the lock rod on-off, the isolating switch operation shaft and the grounding switch operation shaft through the sliding of the gear hole; the movable fit assembly and the isolating switch pulling piece form a linkage relation; the power assisting assembly comprises a spring and a limiting mechanism, the spring is connected with the isolating switch operating shaft and the grounding switch operating shaft, the spring is used for providing power assistance, and the limiting mechanism and the spring are used for limiting the isolating switch and the grounding switch to be simultaneously closed.
Description
Technical Field
The utility model relates to a five-prevention interlocking mechanism with a program lock, and belongs to the field of high-voltage cabinets.
Background
The main function of a switch gear is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system. The power transmission or power interruption of the high-voltage switch cabinet is usually completed by various switch operating mechanisms and operating mechanisms of the grounding switch, and the disconnecting switch and the grounding switch play a key role in the power transmission, power interruption and maintenance processes. The existing earthing switch and isolating switch are generally linked operation mechanisms, the mechanical interlocking of the switch cabinet is an important measure for ensuring equipment and personal safety and preventing misoperation, and the requirement of five-prevention is required to be met, and the method comprises the following steps: the on-load separation and closing of the isolating switch isolating knife is prevented; the circuit breaker is prevented from being opened or closed by mistake; preventing the grounding switch from closing the circuit breaker when in the closed position; the grounding switch is prevented from being turned on by mistake when the power is on; the content of preventing the electrical misoperation, namely five prevention, is short for preventing the electrical misoperation from entering the electrified compartment by mistake.
The utility model is an improvement based on the Chinese utility model with the publication number of CN208478220U, the original structure adopts manual pulling operation, the situation that the outgoing line is not closed in place, the misoperation is easy to happen, and the like is easy to happen, while the prior art generally adopts multi-connecting rod manual pulling on an operation panel or the operation panel, the structure is original and unreliable, and the linkage of an isolation station and a grounding station is not in accordance with the safety operation rules.
Disclosure of Invention
The utility model aims to overcome the defects and the shortcomings of the prior art and provides a five-prevention interlocking mechanism with a program lock.
The five-prevention interlocking mechanism with the program lock comprises a pulling piece, wherein the pulling piece is connected with a disconnecting switch, a disconnecting switch operating shaft and a grounding switch operating shaft; the program lock is matched with the poking piece, the program lock is connected with a lock rod for controlling the poking piece to slide, a gear hole is formed in the poking piece, and the poking piece controls the actions of the lock rod on-off, the isolating switch operation shaft and the grounding switch operation shaft through the sliding of the gear hole;
the movable fit assembly and the isolating switch pulling piece form a linkage relation;
the power assisting assembly comprises a spring and a limiting mechanism, the spring is connected with the isolating switch operating shaft and the grounding switch operating shaft, the spring is used for providing power assistance, and the limiting mechanism and the spring are used for limiting the isolating switch and the grounding switch to be simultaneously closed.
According to the technical scheme, the pulling piece which controls the action through the program lock and the corresponding program interlocking lock hole are designed, if the operation is not performed according to the interlocking program, the pulling piece locked by the program lock blocks the operation shaft inserting hole, the pulling piece reversely controls the locking rod opening and closing of the program lock and the disconnecting switch operation shaft through the designed gear hole, and the program action between the grounding switch operation shafts solves the problem that when two paths of incoming and outgoing lines are required to be disconnected, one path of circuit breaker and the disconnecting switch are required to be disconnected firstly, and then the program lock key can be taken down to operate the other path of incoming and outgoing line program lock mechanism.
The plectrum is further arranged on the fixed plate assembly and comprises a panel, a first fixed plate, a second fixed plate and a mechanism mounting plate, a front compartment is arranged between the first fixed plate and the first fixed plate, and the plectrum is arranged; a rear compartment is arranged between the second fixed plate and the mechanism mounting plate, and a power assisting component and a movable matching component are arranged; the plectrum is installed on first fixed plate.
The program lock is further arranged in a mode that a bracket is arranged between the first fixing plate and the second fixing plate, and the program lock is fixed on the bracket.
Through the technical scheme, the program lock is fixed on the mechanism, so that the mechanism realizes the locking and unlocking functions, and the use safety is improved.
The device is further arranged in such a way that an interlocking lock hole, a grounding switch operation hole and a disconnecting switch operation hole are formed in the first fixing plate, the grounding switch operation hole baffle and the disconnecting switch operation hole baffle are driven to rotate through the transmission shaft, so that the opening and closing states of the grounding switch operation hole and the disconnecting switch operation hole are controlled, and the pulling piece can slide on the inner side of the first fixing plate, so that the opening and closing states of the grounding switch operation hole and the disconnecting switch operation hole are controlled.
Through the technical scheme, the opening and closing states of the grounding switch operation hole and the isolating switch operation hole are controlled through the program lock, misoperation of personnel is prevented, and the operating mechanism can be operated only after sequential unlocking.
The automatic control device is characterized by further comprising a travel switch, a travel switch pressing plate and a travel switch mounting plate, wherein the travel switch mounting plate is mounted on the left side wall and the right side wall of the second fixing plate, the travel switch is mounted on the travel switch mounting plate, the travel switch pressing plate is sleeved on the operating shaft and rotates along with the rotation of the operating shaft, the travel switch pressing plate is used for controlling the travel switch and providing mounting points for secondary protection, and the travel switch pressing plate is of a cam type.
Through above-mentioned technical scheme, improve travel switch clamp plate into the shape of cam, linkage travel switch clamp plate and travel switch realize more stable transmission effect.
The movable fit assembly comprises a fan-shaped disc fixed on the isolating switch and a swing arm fixed on the isolating switch operating shaft and the grounding switch operating shaft respectively, wherein the fan-shaped disc is provided with an inner hole and a gear used for controlling the shifting piece mutually, and a protruding shaft on the swing arm is inserted into the inner hole to enable the isolating switch, the isolating switch operating shaft and the grounding switch operating shaft to form a linkage relation.
The fan-shaped disc is further provided with a convex surface and a concave surface, the concave surface is internally stuck with a separation and combination mark, and the convex surface is used for reinforcing the strength of the fan-shaped disc.
Through the technical scheme, the shape of the sector disc is improved, interlocking control is realized by matching with the action of the plectrum control mechanism, and the mechanism strength and the control function are increased.
The door lock is characterized by further comprising a door interlocking assembly, wherein the door interlocking assembly comprises a door interlocking shaft, a door lock square steel, a door lock main shaft connecting rod assembly and a lower door interlocking assembly, the door interlocking shaft is respectively connected with the door lock square steel and the door lock main shaft connecting rod assembly to form a linkage relation, and the door lock square steel can be moved up into the grounding switch operation hole.
The novel connecting rod is characterized by further comprising an interlocking assembly, wherein the interlocking assembly comprises a connecting rod, and the connecting rod is integrally formed.
Through above-mentioned technical scheme, solved and dialled excellent sectional type and connected the flexible drawback.
The beneficial effects of the utility model are as follows: the improved design of the shifting sheet which is controlled by the program lock and the corresponding program interlocking lock hole is added, if the shifting sheet which is locked by the program lock is not operated according to the interlocking program, the shifting sheet blocks the operation shaft inserting hole, the shifting sheet reversely controls the locking rod opening and closing of the program lock and the operation shaft of the isolating switch through the designed gear hole, and the program action between the operation shafts of the grounding switch, thereby solving the problem that when two paths of incoming and outgoing lines are needed to be disconnected, one path of circuit breaker and the isolating switch are needed to be disconnected firstly, and then the program lock key can be taken down to operate the other path of incoming and outgoing line program lock mechanism.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic view of the main structure of the door lock coupling assembly of the present utility model;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of the main structure with the panel removed;
FIG. 5 is a schematic view of the structure of a travel switch platen;
FIG. 6 is a schematic view of a fan-shaped disc;
FIG. 7 is a schematic view of a structure of a shift rod;
in the figure, 1, isolating a switch operation shaft; 2. a ground switch operating shaft; 3. a pulling piece; 31. a gear hole; 4. a program lock; 41. a lock lever; 5. a power assisting component; 51. a spring; 52. a limiting mechanism; 6. a fixed plate assembly; 60. a panel; 61. a first fixing plate; 611. an interlocking lock hole; 612. a ground switch operation hole; 613. isolating the switch operating hole; 62. a second fixing plate; 63. a mechanism mounting plate; 64. a bracket; 71. a travel switch; 72. a travel switch pressing plate; 73. a travel switch mounting plate; 8. a movable fit assembly; 81. a fan-shaped disc; 811. an inner bore; 812. a gear; 82. swing arms; 91. a door interlock assembly; 92. a door interlock shaft; 93. square steel of door lock; 94. a lower door interlock assembly; 95. a door lock spindle connecting rod assembly; 10. a poking rod.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
1-7, the embodiment of the five-prevention interlocking mechanism with the program lock comprises a pulling sheet 3, wherein the pulling sheet 3 is connected with a disconnecting switch, a disconnecting switch operating shaft 1 and a grounding switch operating shaft 2; the program lock 4 is matched with the plectrum 3, the program lock 4 is connected with a lock rod 41 for controlling the plectrum 3 to slide, the plectrum 3 is provided with a gear hole 31, and the plectrum 3 controls the opening and closing of the lock rod 41 and the action of the isolating switch operating shaft 1 and the grounding switch operating shaft 2 through the sliding of the gear hole 31; a movable mating assembly 8 in a ganged relationship with the isolating switch paddle 3; the power assisting component 5 comprises a spring 51 and a limiting mechanism 52, the spring 51 is connected with the disconnecting switch operating shaft 1 and the grounding switch operating shaft 2 through the spring 51, the spring 51 is used for providing power assistance, the limiting mechanism 52 and the spring 51 are used for limiting the disconnecting switch and the grounding switch to be simultaneously closed, a poking plate 3 which is controlled to act through a program lock 4 and a corresponding program interlocking lock hole 611 are designed, if the poking plate 3 locked by the program lock 4 is not operated according to an interlocking program, an operating shaft inserting hole is blocked by the poking plate 3, the program action between the poking plate 3 and the disconnecting switch operating shaft 1 is controlled through the designed gear hole 31, and the problem that when two paths of incoming and outgoing lines are needed to be disconnected, one path of circuit breaker and the disconnecting switch are needed to be disconnected firstly, and then the other path of incoming and outgoing line program lock 4 is needed to be operated by taking down the key of the program lock 4.
The plectrum 3 is installed on the fixed plate assembly 6, and comprises a panel 60, a first fixed plate 61, a second fixed plate 62 and a mechanism installation plate 63, wherein a front compartment is arranged between the first fixed plate 61 and the first fixed plate 61, and the plectrum is installed; a rear compartment is arranged between the second fixing plate 62 and the mechanism mounting plate 63, and a power assisting component 5 and a movable matching component 8 are arranged; the plectrum 3 is mounted on the first fixing plate 61. A bracket 64 is disposed between the first fixing plate 61 and the second fixing plate 62, and the program lock 4 is fixed on the bracket 64. The program lock 4 is fixed on the mechanism, so that the mechanism realizes the locking and unlocking functions, and the use safety is improved.
The first fixing plate 61 is provided with an interlocking lock hole 611, a grounding switch operation hole 612 and a disconnecting switch operation hole 613, the grounding switch operation hole baffle and the disconnecting switch operation hole baffle are driven to rotate by the transmission shaft, so as to control the opening and closing states of the grounding switch operation hole 612 and the disconnecting switch operation hole 613, and the pulling piece 3 can slide on the inner side of the first fixing plate 61 so as to control the opening and closing states of the grounding switch operation hole 612 and the disconnecting switch operation hole 613. The open/close state of the ground switch operation hole 612 and the disconnecting switch operation hole 613 is controlled by the program lock 4, so that the misoperation of personnel is prevented, and the mechanism can be operated only after the sequential unlocking.
The automatic protection device further comprises a travel switch 71, a travel switch pressing plate 72 and a travel switch mounting plate 73, wherein the travel switch mounting plate 73 is mounted on the left side wall and the right side wall of the second fixing plate 62, the travel switch 71 is mounted on the travel switch mounting plate 73, the travel switch pressing plate 72 is sleeved on an operation shaft and rotates along with the rotation of the operation shaft, the travel switch pressing plate 72 is used for controlling the travel switch 71 and providing mounting points for secondary protection, and the travel switch pressing plate 72 is a cam type. The travel switch pressing plate 72 is improved to be in the shape of a cam, and the travel switch pressing plate 72 and the travel switch 71 are linked to achieve a more stable transmission effect.
The movable matching assembly 8 comprises a fan-shaped disc 81 fixed on the isolating switch and a swing arm 82 respectively fixed on the isolating switch operating shaft 1 and the grounding switch operating shaft 2, the fan-shaped disc 81 is provided with an inner hole 811 and a gear 812 used for controlling the shifting piece 3 mutually, and a protruding shaft on the swing arm 82 is inserted into the inner hole 811, so that the isolating switch, the isolating switch operating shaft 1 and the grounding switch operating shaft 2 form a linkage relation. The fan-shaped disc 81 is provided with a convex surface and a concave surface, the concave surface is internally stuck with a separation and combination mark, and the convex surface is used for reinforcing the strength of the fan-shaped disc 81. The shape of the sector plate 81 is improved, and interlocking control is realized by matching with the action of the control mechanism of the shifting sheet 3, so that the strength and the control function of the mechanism are improved.
The door interlock assembly 91 further comprises a door interlock shaft 92, a door lock square steel 93, a door lock main shaft connecting rod assembly 95 and a lower door interlock assembly 94, wherein the door interlock shaft 92 is respectively connected with the door lock square steel 93 and the door lock main shaft connecting rod assembly 95 to form a linkage relationship, and the door lock square steel 93 can move upwards into the grounding switch operation hole 612.
Still include interlocking subassembly, interlocking subassembly includes dials stick 10, dial stick 10 is integrated into one piece, has solved and has dialled the easy flexible drawback of stick sectional type connection
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
While the utility model has been described with reference to several particular embodiments, it should be understood that the utility model is not limited to the particular embodiments disclosed. The utility model is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (9)
1. A five-prevention interlocking mechanism with a program lock is characterized in that: comprising
The plectrum is connected with an isolating switch, an isolating switch operating shaft and a grounding switch operating shaft; the program lock is matched with the poking piece, the program lock is connected with a lock rod for controlling the poking piece to slide, a gear hole is formed in the poking piece, and the poking piece controls the actions of the lock rod on-off, the isolating switch operation shaft and the grounding switch operation shaft through the sliding of the gear hole;
the movable fit assembly and the isolating switch pulling piece form a linkage relation;
the power assisting assembly comprises a spring and a limiting mechanism, the spring is connected with the isolating switch operating shaft and the grounding switch operating shaft, the spring is used for providing power assistance, and the limiting mechanism and the spring are used for limiting the isolating switch and the grounding switch to be simultaneously closed.
2. The program lock-carrying five-prevention interlocking mechanism as claimed in claim 1, wherein: the plectrum is arranged on the fixed plate assembly and comprises a panel, a first fixed plate, a second fixed plate and a mechanism mounting plate, a front compartment is arranged between the first fixed plate and the first fixed plate, and the plectrum is arranged; a rear compartment is arranged between the second fixed plate and the mechanism mounting plate, and a power assisting component and a movable matching component are arranged;
the plectrum is installed on first fixed plate.
3. The program lock-carrying five-prevention interlocking mechanism as claimed in claim 2, wherein: a bracket is arranged between the first fixing plate and the second fixing plate, and the program lock is fixed on the bracket.
4. The program lock-carrying five-prevention interlocking mechanism as claimed in claim 2, wherein: the first fixed plate is provided with an interlocking lock hole, a grounding switch operation hole and a disconnecting switch operation hole, the grounding switch operation hole baffle and the disconnecting switch operation hole baffle are driven to rotate through the transmission shaft, so that the opening and closing states of the grounding switch operation hole and the disconnecting switch operation hole are controlled, and the poking piece can slide on the inner side of the first fixed plate and is used for controlling the opening and closing states of the grounding switch operation hole and the disconnecting switch operation hole.
5. The program lock-carrying five-prevention interlocking mechanism as claimed in claim 2, wherein: still include travel switch, travel switch clamp plate and travel switch mounting panel, the travel switch mounting panel is installed on the lateral wall about the second fixed plate, travel switch installs on the travel switch mounting panel, travel switch cam type clamp plate suit is epaxial at the operation, rotates along with the operation rotation, and travel switch cam type clamp plate is used for controlling travel switch, provides the mounting point for the secondary protection, travel switch clamp plate is the cam type.
6. The program lock-carrying five-prevention interlocking mechanism as claimed in claim 1, wherein: the movable fit assembly comprises a fan-shaped disc fixed on the isolating switch and a swing arm respectively fixed on the isolating switch operating shaft and the grounding switch operating shaft, an inner hole and a gear used for controlling the shifting piece mutually are formed in the fan-shaped disc, and a protruding shaft on the swing arm is inserted into the inner hole, so that the isolating switch, the isolating switch operating shaft and the grounding switch operating shaft form a linkage relation.
7. The program lock-carrying five-prevention interlocking mechanism as set forth in claim 6, wherein: the fan-shaped disc is provided with a convex surface and a concave surface, the concave surface is internally stuck with a separation and combination mark, and the convex surface is used for reinforcing the strength of the fan-shaped disc.
8. The program lock-carrying five-prevention interlocking mechanism as claimed in claim 1, wherein: the door lock comprises a door lock main shaft, a door lock square steel, a door lock main shaft connecting rod assembly and a lower door lock interlocking assembly, wherein the door lock main shaft connecting rod assembly is connected with the door lock square steel and the door lock main shaft connecting rod assembly respectively to form a linkage relation, and the door lock square steel can move upwards into a grounding switch operation hole.
9. The program lock-carrying five-prevention interlocking mechanism as claimed in claim 1, wherein: the novel multifunctional bicycle further comprises an interlocking assembly, wherein the interlocking assembly comprises a poking rod, and the poking rod is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129315.3U CN220585094U (en) | 2023-08-08 | 2023-08-08 | Five-prevention interlocking mechanism with program lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129315.3U CN220585094U (en) | 2023-08-08 | 2023-08-08 | Five-prevention interlocking mechanism with program lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220585094U true CN220585094U (en) | 2024-03-12 |
Family
ID=90112190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322129315.3U Active CN220585094U (en) | 2023-08-08 | 2023-08-08 | Five-prevention interlocking mechanism with program lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220585094U (en) |
-
2023
- 2023-08-08 CN CN202322129315.3U patent/CN220585094U/en active Active
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