CN109346346B - Interlocking mechanism of grounding switch - Google Patents
Interlocking mechanism of grounding switch Download PDFInfo
- Publication number
- CN109346346B CN109346346B CN201811347868.3A CN201811347868A CN109346346B CN 109346346 B CN109346346 B CN 109346346B CN 201811347868 A CN201811347868 A CN 201811347868A CN 109346346 B CN109346346 B CN 109346346B
- Authority
- CN
- China
- Prior art keywords
- main operation
- operation shaft
- plate
- grounding switch
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 claims abstract description 25
- 230000009471 action Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000011161 development Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- 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
- H02B1/16—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to the technical field of electrical equipment, in particular to an interlocking mechanism of a grounding switch, which comprises: a grounding switch and an auxiliary switch arranged on the main operation shaft; the movable plate is arranged at the first end of the main operation shaft and comprises a fixed plate sleeved at the first end and a sliding plate in sliding connection with the fixed plate; the electromagnet is provided with an electric core which stretches out and draws back along the axial direction of the main operation shaft, the electromagnet is arranged on the auxiliary switch and is positioned below the fixed plate, the electromagnet is provided with a yielding space which is retracted inside when the electromagnet is electrified so as to form the sliding plate and is downwards slid, the electrified state of the communication of the main operation shaft and the outside is opened, and the electric core is extended when the electromagnet is in the outage state so as to be supported below the sliding plate to enable the electric core to be closed. The invention solves the problems of complex structure, difficult processing, manufacturing and installation and poor reliability of the interlocking mechanism of the grounding switch in the prior art.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to an interlocking mechanism of a grounding switch.
Background
The interlocking of the high-voltage switch cabinet is an important measure for ensuring the safe operation of the power network, ensuring the safety of equipment and personnel and preventing misoperation. Along with the demands of social and economic development and electric energy construction, the development of the economic and social development continuously improves the requirements of people on the reliability and the operation safety of power supply equipment, and the equipment is required to have higher and better performance.
However, in the existing high-voltage switch cabinet, the structure of the interlocking mechanism of the grounding switch is too complex, the machining, the manufacturing and the installation are difficult, the reliability is poor, the operation is difficult, and the time and the labor are wasted.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to solve the problems of complex structure, difficult processing, manufacturing and installation and poor reliability of the interlocking mechanism of the grounding switch in the prior art, thereby providing the interlocking mechanism which has a simple structure and is convenient to process, manufacture and install.
In order to solve the technical problem, the present invention provides an interlocking mechanism of a grounding switch, comprising:
a grounding switch and an auxiliary switch arranged on the main operation shaft;
the movable plate is arranged at the first end of the main operation shaft and comprises a fixed plate sleeved at the first end and a sliding plate in sliding connection with the fixed plate;
the electromagnet is provided with an electric core which stretches out and draws back along the axial direction of the main operation shaft, the electromagnet is arranged on the auxiliary switch and is positioned below the fixed plate, the electromagnet is provided with a yielding space which is retracted inside when the electromagnet is electrified so as to form the sliding plate and is downwards slid, the electrified state of the communication of the main operation shaft and the outside is opened, and the electric core is extended when the electromagnet is in the outage state so as to be supported below the sliding plate to enable the electric core to be closed.
Further, the sliding plate is provided with a through hole matched with the main operation shaft, the main operation shaft is detachably connected with an external operation handle through the through hole, and the movement direction of the sliding plate is perpendicular to the axial direction of the main operation shaft.
Further, one end of the sliding plate, which is far away from the electromagnet, is also provided with a driving device for driving the sliding plate to move along the axial direction perpendicular to the main operation shaft.
Further, the driving device comprises a first link mechanism connected with the sliding plate and a torsion spring arranged at one end of the first link mechanism, and the torsion spring is used for switching the sliding plate which is in a state of opening the communication between the main operation shaft and the outside to a state of closing the communication between the main operation shaft and the outside.
Further, a shifting plate with an extending direction parallel to the axial direction of the main operation shaft is further arranged on the sliding plate, and the shifting plate is used for switching the sliding plate for closing the communication between the main operation shaft and the outside to a state for opening the communication between the main operation shaft and the outside.
Further, the device also comprises a live display connected with the grounding switch, wherein the live display is used for receiving signals output by the grounding switch so as to control the electrifying and the de-electrifying of the electromagnet.
Further, when the electrified display receives a signal that the high-voltage loop is not electrified, a locking contact in the electrified display is released, and the electromagnet is electrified; when the electrified display receives a signal of electrification of the high-voltage loop, a locking contact of the electrified display is locked, and the electromagnet is powered off.
Further, the grounding switch is connected with the main operation shaft through a second connecting rod mechanism sleeved on the main operation shaft, and switching on and off of the grounding switch are achieved under the rotation action of the main operation shaft.
Further, the main operation shaft is further provided with a front door interlocking mechanism, the front door interlocking mechanism comprises a cam sleeved on the main operation shaft and a lever structure connected with the cam, and when the cam rotates along with the main operation shaft, the other end of the lever structure is connected with the front door in an opening and closing mode.
Further, the device also comprises a rear door interlocking mechanism arranged at the second end of the main operation shaft, wherein the rear door interlocking mechanism comprises a reset spring arranged at the second end, a support sleeved outside the reset spring and a lock sleeve arranged in the support and close to the rear door end, and the lock sleeve is inserted into an opening of the rear door to limit or release the rotation of the main operation shaft.
The technical scheme of the invention has the following advantages:
1. the invention provides an interlocking mechanism which comprises a grounding switch and an auxiliary switch which are arranged on a main operation shaft, wherein a movable plate is arranged at a first end of the main operation shaft and comprises a fixed plate sleeved at the first end of the main operation shaft and a sliding plate capable of sliding in the vertical direction on the fixed plate; the electromagnet has two states, namely power on and power off, when the electromagnet is powered on, the electric iron core of the electromagnet is retracted into the electromagnet, a space for the sliding plate to fall is reserved, namely the sliding plate moves downwards relative to the fixed plate, so that the main operation shaft is in a communication state with the outside, the grounding switch can be operated to switch on through the main operation shaft, when the electromagnet is powered off, the spring in the electromagnet pushes the electric iron core to extend out of the electromagnet, the electric iron core is supported below the sliding plate, the sliding plate cannot move downwards relative to the fixed plate, so that the main operation shaft and the outside are in a power off state, and the grounding switch cannot be operated to switch on through the main operation shaft, thereby achieving the purpose of preventing the grounding switch from being locked by mistake.
2. According to the interlocking mechanism provided by the invention, the through hole matched with the main operation shaft is formed in the sliding plate, the main operation shaft is detachably connected with an external operation handle through the through hole, and the moving direction of the sliding plate is perpendicular to the axial direction of the main operation shaft. The sliding plate is provided with a through hole matched with the main operation shaft, and an operation handle can be inserted into the through hole to operate the main operation shaft to rotate.
3. The driving device comprises a first connecting rod mechanism connected with the sliding plate and a torsion spring arranged at one end of the first connecting rod mechanism, wherein the torsion spring is used for switching the sliding plate which is used for opening the communication between the main operation shaft and the outside to a state for closing the communication between the main operation shaft and the outside. The first connecting rod mechanism is connected with the sliding plate, a torsion spring is arranged at one end of the first connecting rod mechanism, the torsion spring applies a lifting force to the sliding plate relative to the main operation shaft through the torsion spring force, so that the sliding plate is lifted, and the main operation shaft is switched to a closed state from a communication state with the outside.
4. The interlocking mechanism provided by the invention is characterized in that the sliding plate is also provided with a shifting plate, the extending direction of which is parallel to the axial direction of the main operation shaft, and the shifting plate is used for switching the sliding plate for closing the communication between the main operation shaft and the outside to a state for opening the communication between the main operation shaft and the outside. The main operation shaft and the outside are in a normally closed state, and the main operation shaft and the outside are switched to a communicating state by downwards stirring the poking plate to drive the sliding plate to downwards move relative to the main operation shaft.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of an interlocking mechanism of a grounding switch provided by the invention;
fig. 2 is a schematic view of another angle of fig. 1.
Reference numerals illustrate:
1-a rear door panel; 2-a lock sleeve; 3-a return spring; 4-supporting seats; 5-limiting sleeves; 6-upper crank arm; 7-connecting rods;
8-a lower crank arm; 9-a grounding switch; 10-front and rear separators; 11-a metal sleeve; 12-a main operating shaft;
13-a first link mechanism; 14-pushing plate; 15-an auxiliary switch;
17-latching electromagnet; 18-sector plates; 19-a sliding plate; 20-fixing plates; 21-a tongue plate;
22-front door panel; 23-operating a handle; 24-rotating shaft; 25-cams; 26-supporting rods; 27-grooves;
28-through holes; 29-a movable plate; 30-shifting plate; 31-torsion spring.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
One specific embodiment of an interlock mechanism for a grounding switch as shown in fig. 1-2 includes:
a ground switch 9 and an auxiliary switch 15 provided on the main operation shaft 12;
a movable plate 29 provided at a first end of the main operation shaft 12 and including a fixed plate 20 sleeved at the first end and a sliding plate 19 slidably connected to the fixed plate 20; an electromagnet 17 having an electric core extending and contracting in the axial direction of the main operation shaft 12, the electromagnet 17 being provided on the auxiliary switch 15 below the fixed plate 20, having a yielding space in which the electric core is retracted when the electromagnet 17 is energized to form the sliding plate 19 sliding downward, and opening an energized state in which the main operation shaft 12 communicates with the outside and an de-energized state in which the electric core is extended when the electromagnet 17 is de-energized to be supported below the sliding plate 19 to close the communication of the main operation shaft 12 with the outside.
The above-mentioned earthing switch interlocking mechanism, including setting up the earthing switch 9 in the middle part of the main operation shaft 12 and setting up the auxiliary switch 15 in the right end of the main operation shaft 12, the movable plate 29 is set up in the first end of the main operation shaft 12, namely the right end of the auxiliary switch 15, the movable plate 29 includes the fixed plate 20 that is set up in the right end of the auxiliary switch 15 of the main operation shaft 12, and can slide the sliding plate 19 on the fixed plate 20 in the vertical direction; the electromagnet 17 has two states, namely power on and power off, when the electromagnet 17 is powered on, the electric iron core of the electromagnet 17 is retracted into the electromagnet 17, a space for the sliding plate 19 to fall is provided, namely the sliding plate 19 moves downwards relative to the fixed plate 20, so that the main operation shaft 12 is in a communication state with the outside, the grounding switch 9 can be operated by the main operation shaft 12 to conduct switching on, when the electromagnet 17 is powered off, the electric iron core is pushed by a spring in the electromagnet 17 to extend out of the electromagnet 17, the electric iron core is supported below the sliding plate 19, the sliding plate 19 cannot move downwards relative to the fixed plate 20, so that the main operation shaft 12 and the outside are in a power off state, and the grounding switch 9 cannot be operated by the main operation shaft 12 to conduct switching on, thereby achieving the purpose of preventing the misoperation of the grounding switch 9.
The sliding plate 19 is provided with a through hole 28 matched with the main operation shaft 12, the main operation shaft 12 is detachably connected with an external operation handle 23 through the through hole 28, and the movement direction of the sliding plate 19 is perpendicular to the axial direction of the main operation shaft 12. The sliding plate 19 is provided with a through hole 28 which is matched with the main operation shaft 12, the through hole 28 is positioned in the middle of the sliding plate 19, the operation handle 23 can be inserted into the through hole 28, and the operation handle 23 operates the main operation shaft 12 to rotate.
The fan-shaped plate 18 is arranged at the position, close to the fixed plate 10, of the main operation shaft 12, the plug-in component corresponding to the preset rotation range of the fan-shaped plate 18 is arranged on the fixed plate 20, the main operation shaft 12 is rotated, when the grounding switch 9 is operated to be switched on or off, the fan-shaped plate 18 is abutted against the plug-in component, the automatic rotation of the main operation shaft 12 is avoided, the error switching on or off of the grounding switch 9 is influenced, and therefore the safety of the high-voltage cabinet is improved.
The end of the sliding plate 19 remote from the electromagnet 17 is also provided with driving means for driving the sliding plate 19 in an axial direction perpendicular to the main operating shaft 12. The driving device comprises a first link mechanism 13 connected with the sliding plate 19 and a torsion spring 31 arranged at one end of the first link mechanism 13, wherein the torsion spring 31 is used for switching the sliding plate 19 which is in a state of opening the communication between the main operation shaft 12 and the outside to a state of closing the communication between the main operation shaft 12 and the outside. The first link mechanism 13 connected with the sliding plate 19 is a guide rail interlocking mechanism, and comprises a first rod body axially parallel to the main operation shaft 12, a second rod body axially perpendicular to the main operation shaft 12 and a crank arm connected with the first rod body and the second rod body, wherein a torsion spring 31 is arranged at one end of the guide rail interlocking mechanism, the torsion spring 31 drives the first rod body to rotate through torsion spring force, and then one end, connected with the second rod body, of the crank arm rises, so that the force applied to the sliding plate 19 rises relative to the main operation shaft 12, and the sliding plate 19 rises, so that the main operation shaft 12 is switched to a closed state from a communication state with the outside.
The sliding plate 19 is further provided with a dial plate 30 having an extending direction parallel to an axial direction of the main operation shaft 12, and the dial plate 30 is used for switching the sliding plate 19 closing communication between the main operation shaft 12 and the outside to a state of opening communication between the main operation shaft 12 and the outside. A dial plate 30 is formed in a direction perpendicular to the sliding plate 19, the dial plate 30 and the sliding plate 19 are integrally formed and positioned below the through hole 28, and the main operation shaft 12 and the outside are in a normally closed state, and the dial plate 30 needs to be downwards dial to drive the sliding plate 19 to downwards move relative to the main operation shaft 12, so that the closed state of the main operation shaft 12 and the outside is switched to a communication state.
And the device also comprises a live display connected with the grounding switch 9, wherein the live display is used for receiving a signal output by the grounding switch 9 so as to control the power-on and power-off of the electromagnet 17. When the electrified display receives a signal that the high-voltage loop is not electrified, a locking contact in the electrified display is released, and the electromagnet is electrified; when the electrified display receives a signal of electrification of the high-voltage loop, a locking contact of the electrified display is locked, and the electromagnet is powered off. Firstly, detecting high-voltage signals in a high-voltage cabinet through three sensors on a grounding switch 9, transmitting detection results to an electrified display, analyzing whether the high-voltage circuit in the high-voltage cabinet is electrified or not through a signal comparison circuit in the electrified display, if the high-voltage circuit is not electrified, releasing a locking contact in the electrified display, switching on a power supply through a coil circuit in an electromagnet 17, retracting an electric core of the electromagnet, enabling a sliding plate 19 to fall, and operating the grounding switch to switch on; if the detected high-voltage loop is electrified, the locking contact in the electrified display is locked, the coil in the electromagnet 17 is cut off with the power supply, and the electric iron core of the electromagnet 17 stretches out of the electromagnet 17 due to the spring resetting action to block the sliding plate 19 from falling, so that the grounding switch 9 cannot be operated, and the error locking prevention function is realized. A circular through hole with the diameter of 16mm is formed at the position of the electromagnet 17, which is close to the front door plate 22 of the cabinet body, and is used for unlocking the electromagnet 17 in emergency.
The grounding switch 9 is connected with the main operation shaft 12 through a second link mechanism sleeved on the main operation shaft 12, and the opening and closing of the grounding switch 9 are realized under the rotation action of the main operation shaft 12. The middle part of the main operation shaft 12 is provided with a front baffle plate 10 and a rear baffle plate 10, the second link mechanism is arranged on the main operation shaft 12 at the left side of the front baffle plate 10 and the right side of the rear baffle plate 10 is provided with a metal shaft sleeve 11, and the main operation shaft 12 has the function of increasing the rigidity of the main operation shaft 12 due to overlong length, and comprises an upper crank arm 6 connected with the main operation shaft 12, a lower crank arm 8 connected with a rotating shaft 24 on a grounding switch 9 and a connecting rod 7 connected with the upper crank arm 6 and the lower crank arm 8, the main operation shaft 12 is controlled to rotate by rotating an operation handle 23, and the main operation shaft 12 drives the upper crank arm 6, the connecting rod 7 and the lower crank arm 8 to move so as to drive the rotating shaft 24 on the grounding switch 9 to rotate, thereby realizing the opening and closing of the grounding switch 9.
The main operation shaft 12 is also provided with a front door interlocking mechanism, the front door interlocking mechanism comprises a cam 25 sleeved on the main operation shaft 12 and a lever structure connected with the cam 25, and when the cam 25 rotates along with the main operation shaft 12, the other end of the lever structure is connected with the front door in an opening and closing manner. The right end of the main operation shaft 12 is provided with a front door interlocking mechanism, the front door interlocking mechanism comprises a cam 25 arranged at the left side of the auxiliary switch 15, a push plate 14 arranged at the bottom of the cam 25, a support rod 26 arranged perpendicular to the push plate 14, and a tongue plate 21 parallel to the axial direction of the main operation shaft 12 and movably connected with the support rod 26, the operation handle 23 is rotated so as to drive the main operation shaft 12 to rotate, the protruding part of the cam 25 is rotated to be perpendicular to the push plate 14, the support rod 26 is further compressed downwards, the right end of the tongue plate 21 movably connected with the support rod 26 moves upwards, and a groove 27 on one end of the tongue plate 21 far away from the support rod 26 hooks a cross rod on the front door plate 22, so that the front door is closed; the operating handle 23 is reversely rotated, so that the main operating shaft 12 is driven to reversely rotate until the protruding part of the cam 25 is parallel to the push plate 14, the supporting rod 26 is lifted, and the right end of the tongue plate 21 moves downwards, so that the groove 27 on the tongue plate 21 is separated from the cross bar on the front door plate 22, and the front door is opened.
The novel lock sleeve is characterized by further comprising a rear door interlocking mechanism arranged at the second end of the main operation shaft 12, wherein the rear door interlocking mechanism comprises a reset spring 3 arranged at the second end, a support 4 sleeved outside the reset spring 3 and a lock sleeve 2 arranged in the support 4 and close to the end of the rear door 1, and the lock sleeve 2 is inserted into an opening of the rear door 1 to limit or release the rotation of the main operation shaft 12. A rear door interlocking mechanism is arranged at the second end of the main operation shaft 12, namely the left end of the main operation shaft 12, a limiting sleeve 5 for limiting the rear door interlocking mechanism to move in the axial direction of the main operation shaft 12 is arranged at the left end of the rear door interlocking mechanism, a square hole with the side length of 34mm is formed at the matching position of the cabinet body and the lock sleeve 2, a boss is arranged on the lock sleeve 2, an operation handle 23 is rotated to drive the main operation shaft 12 to control the grounding switch 9 to switch off, after the grounding switch 9 switches off, the boss on the lock sleeve 2 is 90 degrees different from the direction of an opening on the rear door plate 1, the rear door plate 1 is locked, and the rear door cannot be opened; the operating handle 23 is reversely rotated to drive the main operating shaft 12 to control the grounding switch 9 to be switched on, when the grounding switch 9 is switched on, the boss on the lock sleeve 2 is consistent with the direction of the opening of the rear door plate 1, and the rear door can be opened; when the rear door is opened, the lock sleeve 2 slides towards the direction of the cabinet body under the action of the return spring 3 and slides into the square hole formed in the cabinet body to be locked, and at the moment, the grounding switch 9 cannot operate the opening because the lock sleeve 2 is locked on the cabinet body, and the grounding switch 9 can be operated after the rear door is closed, so that the interlocking function is achieved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. An interlock mechanism for a grounding switch, comprising:
a grounding switch (9) and an auxiliary switch (15) arranged on the main operation shaft (12);
a movable plate (29) arranged at the first end of the main operation shaft (12) and comprising a fixed plate (20) sleeved at the first end and a sliding plate (19) in sliding connection with the fixed plate (20);
an electromagnet (17) having an electric core that expands and contracts in an axial direction of the main operation shaft (12), the electromagnet (17) being provided on the auxiliary switch (15) below the fixed plate (20), having a space for letting the electric core retract inside when the electromagnet (17) is energized to form a space for letting the sliding plate (19) slide downward, and opening an energized state in which the main operation shaft (12) communicates with the outside and a de-energized state in which the electric core protrudes when the electromagnet (17) is de-energized to be supported below the sliding plate (19) so as to close the communication of the main operation shaft (12) with the outside;
a sector plate (18) is arranged at the position, close to the fixed plate (20), of the main operation shaft (12), and an insert corresponding to the preset rotation range of the sector plate (18) is arranged on the fixed plate (20); the main operation shaft (12) is further provided with a front door interlocking mechanism, the front door interlocking mechanism comprises a cam (25) sleeved on the main operation shaft (12), a push plate (14) arranged at the bottom of the cam (25), a support rod (26) perpendicular to the push plate (14), and a tongue plate (21) parallel to the axial direction of the main operation shaft (12) and movably connected with the support rod (26), and when the cam (25) rotates along with the main operation shaft (12), the tongue plate (21) is connected with the front door in an opening and closing mode.
2. Interlocking mechanism of a grounding switch according to claim 1, characterized in that the sliding plate (19) is provided with a through hole (28) adapted to the main operation shaft (12), the main operation shaft (12) is detachably connected with an external operation handle (23) through the through hole (28), and the movement direction of the sliding plate (19) is perpendicular to the axial direction of the main operation shaft (12).
3. An interlock mechanism of a grounding switch according to claim 2, characterized in that the end of the sliding plate (19) remote from the electromagnet (17) is further provided with driving means for driving the sliding plate (19) in an axial movement perpendicular to the main operating shaft (12).
4. An interlock mechanism of a grounding switch according to claim 3, characterized in that said driving means includes a first link mechanism (13) connected to said slide plate (19) and a torsion spring (31) provided at one end of said first link mechanism (13), said torsion spring (31) being for switching said slide plate (19) in a state of opening communication of said main operation shaft (12) with the outside to a state of closing communication of said main operation shaft (12) with the outside.
5. The interlock mechanism of a grounding switch according to claim 4, characterized in that a dial plate (30) extending in a direction parallel to an axial direction of the main operation shaft (12) is further provided on the slide plate (19), and the dial plate (30) is used for switching the slide plate (19) closing communication of the main operation shaft (12) with the outside to a state opening communication of the main operation shaft (12) with the outside.
6. An interlock mechanism for a grounding switch according to any one of claims 1-5, further comprising a live display connected to said grounding switch (9) for receiving signals output by said grounding switch (9) to control the energizing and de-energizing of said electromagnet (17).
7. The interlock mechanism of a grounding switch of claim 6 wherein said electromagnet is energized when said live display receives a signal that the high voltage circuit is not live; when the electrified display receives a signal of electrification of the high-voltage loop, a locking contact of the electrified display is locked, and the electromagnet is powered off.
8. The interlocking mechanism of a grounding switch according to any one of claims 1 to 5, wherein the grounding switch (9) is connected with the main operation shaft (12) through a second link mechanism sleeved on the main operation shaft (12), and opening and closing of the grounding switch (9) are achieved under the rotation action of the main operation shaft (12).
9. The interlocking mechanism of a grounding switch according to any one of claims 1 to 5, further comprising a rear door interlocking mechanism arranged at a second end of the main operation shaft (12), wherein the rear door interlocking mechanism comprises a return spring (3) arranged at the second end, a support (4) sleeved outside the return spring (3) and a lock sleeve (2) arranged in the support (4) and close to the end of the rear door (1), and the lock sleeve (2) is inserted into an opening of the rear door (1) to limit or release the rotation of the main operation shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347868.3A CN109346346B (en) | 2018-11-13 | 2018-11-13 | Interlocking mechanism of grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347868.3A CN109346346B (en) | 2018-11-13 | 2018-11-13 | Interlocking mechanism of grounding switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109346346A CN109346346A (en) | 2019-02-15 |
| CN109346346B true CN109346346B (en) | 2024-04-16 |
Family
ID=65314850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811347868.3A Active CN109346346B (en) | 2018-11-13 | 2018-11-13 | Interlocking mechanism of grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109346346B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202167780U (en) * | 2011-08-22 | 2012-03-14 | 新疆昆仑电气有限公司 | Interlocking device for grounding switch operating mechanism of switch cabinet |
| CN202167781U (en) * | 2011-08-22 | 2012-03-14 | 新疆昆仑电气有限公司 | Latching electromagnet protective device for a switch cabinet grounding switch hole valve |
| CN202796548U (en) * | 2012-06-21 | 2013-03-13 | 江苏华冠电器集团有限公司 | Interlocking indicating device for switching operation interlocking mechanism |
| CN104779100A (en) * | 2015-05-06 | 2015-07-15 | 河南森源电气股份有限公司 | Earth switch operation interlocking mechanism for switch cabinet |
| CN106876192A (en) * | 2017-02-28 | 2017-06-20 | 广州白云电器设备股份有限公司 | A kind of interlock for improving latching electromagnet service life in switch cubicle |
| CN208889522U (en) * | 2018-11-13 | 2019-05-21 | 浙江临高电气实业有限公司 | A kind of interlocking mechanism of earthing switch |
-
2018
- 2018-11-13 CN CN201811347868.3A patent/CN109346346B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202167780U (en) * | 2011-08-22 | 2012-03-14 | 新疆昆仑电气有限公司 | Interlocking device for grounding switch operating mechanism of switch cabinet |
| CN202167781U (en) * | 2011-08-22 | 2012-03-14 | 新疆昆仑电气有限公司 | Latching electromagnet protective device for a switch cabinet grounding switch hole valve |
| CN202796548U (en) * | 2012-06-21 | 2013-03-13 | 江苏华冠电器集团有限公司 | Interlocking indicating device for switching operation interlocking mechanism |
| CN104779100A (en) * | 2015-05-06 | 2015-07-15 | 河南森源电气股份有限公司 | Earth switch operation interlocking mechanism for switch cabinet |
| CN106876192A (en) * | 2017-02-28 | 2017-06-20 | 广州白云电器设备股份有限公司 | A kind of interlock for improving latching electromagnet service life in switch cubicle |
| CN208889522U (en) * | 2018-11-13 | 2019-05-21 | 浙江临高电气实业有限公司 | A kind of interlocking mechanism of earthing switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109346346A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101538959B (en) | Safety electromagnetic lock for high-voltage switchgear | |
| CN108847605B (en) | Five-prevention interlocking device and handcart cabinet with same | |
| EP3703096B1 (en) | Locking device for circuit breaker operation device | |
| CN203312078U (en) | Lower door interlocking device of circuit breaker cabinet with isolation | |
| CN203434502U (en) | A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches | |
| CN103441439A (en) | Switch cabinet equipped with isolating switches, vacuum circuit breakers and grounding switches | |
| CN209071929U (en) | Mechanical interlock mechanism | |
| CN104995347B (en) | Magnetically activated door-lock device | |
| WO2015047307A1 (en) | Motor control center unit disconnect with interlocks | |
| CN109671588B (en) | Locking device for grounding switch of metal-enclosed switch cabinet | |
| CN106340821A (en) | Switchgear interlocking mechanism and switchgear | |
| CN109346346B (en) | Interlocking mechanism of grounding switch | |
| CN107293427B (en) | Interlocking device of grounding switch and front door and rear door | |
| CN103887728A (en) | Drawer type low-voltage switch cabinet | |
| CN209785775U (en) | Remote control micro-break control device and switch assembly | |
| CN203351457U (en) | Interlocking mechanism among isolating switch, vacuum circuit breaker and cabinet door | |
| EP2482399B1 (en) | Interlocks for withdrawable circuit breakers | |
| CN102891046B (en) | Circuit breaker interlocking device | |
| CN203747278U (en) | Drawer type low-voltage switchgear | |
| CN211673251U (en) | Cabinet door opening and closing device | |
| CN211788787U (en) | Manual locking device of three-station operating mechanism | |
| CN210744594U (en) | Low-voltage drawer type switch cabinet | |
| CN207966851U (en) | A kind of vacuum circuit breaker operating mechanism | |
| CN210378885U (en) | Vacuum circuit breaker closing position round lock control device | |
| CN111180252A (en) | Manual and electric integrated three-station mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |