CN114823215A - 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof - Google Patents
10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof Download PDFInfo
- Publication number
- CN114823215A CN114823215A CN202210606226.0A CN202210606226A CN114823215A CN 114823215 A CN114823215 A CN 114823215A CN 202210606226 A CN202210606226 A CN 202210606226A CN 114823215 A CN114823215 A CN 114823215A
- Authority
- CN
- China
- Prior art keywords
- grounding
- shaft
- interlocking
- operating
- plate
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 78
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
Abstract
The invention relates to a high-reliability mechanism interlocking device of a 10kV environment-friendly inflatable cabinet and a using method thereof, and the interlocking device comprises an interlocking plate which is vertically and slidably connected in front of an isolating switch operating mechanism, an isolating baffle which is hinged in front of the isolating switch operating mechanism, and a grounding baffle which is hinged in front of the isolating switch operating mechanism, wherein one end of the isolating baffle is arranged in front of an isolating operating shaft, one end of the grounding baffle is arranged in front of a grounding operating shaft, the lower end of the interlocking plate is fixedly connected with a vertical mechanical shaft, the upper end of a cable chamber door is provided with a mechanical shaft hole for inserting the mechanical shaft, the interlocking device also comprises a door plate connecting lock plate which is vertically and slidably connected at the bottom of the isolating switch operating mechanism and a tension spring which pulls the door plate interlocking plate forwards to a mechanical shaft lifting path, the upper end of the cable chamber door is fixedly connected with a door plate interlocking push block which is matched with the door plate connecting lock plate, and the interlocking device can completely meet the electric five-prevention requirements, the gas insulated switchgear can be installed on environment-friendly gas insulated switchgear, has high reliability, and ensures safe and normal operation of products.
Description
Technical Field
The invention relates to the field of insulated switches, in particular to a high-reliability mechanism interlocking device of a 10kV environment-friendly gas-filled cabinet and a using method thereof.
Background
With the rapid development of information technology, the national grid company provides a development strategy for developing a strong intelligent grid and a ubiquitous power internet of things, and with the formal effect of the kyoto protocol, governments and users of various countries provide higher environmental protection requirements for power transmission and distribution equipment. In order to ensure the operation safety of a power grid, continuously improve the reliability level, actively adapt to the large-scale access of novel energy and optimize the resource allocation of the power grid, and build an energy-saving and environment-friendly power grid which better meets the requirements of economy and society, the environment-friendly gas insulated switchgear has become a trend of future development.
According to the contents of electrical five-prevention in the national grid company safety control regulation for preventing electrical misoperation (national grid safety supervision 2006 & 904), when grounding is required to be switched on, the disconnecting switch cannot act, and when grounding is switched off, the disconnecting switch allows the action; when the grounding switch is switched on, the cable chamber door can be opened for maintenance, and the cable chamber door is not closed and can not be subjected to power transmission operation.
Use plastics fibre core to interlock between cabinet mechanism is aerifyd in the environmental protection among the prior art and the cable chamber door, interlock reliability is low, and plastics fibre core is ageing easily in long-term the use, leads to circumstances such as interlock inefficacy, direct influence product safety normal operating. And the existing interlocking device structural arrangement is not convenient for installation on the environment-friendly gas insulated switchgear.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-reliability mechanism interlocking device of a 10kV environment-friendly inflating cabinet and a using method thereof.
The invention is realized by the following technical scheme, and provides a high-reliability mechanism interlocking device of a 10kV environment-friendly inflatable cabinet, which comprises an interlocking plate, an isolation baffle and a grounding baffle, wherein the interlocking plate is vertically and slidably connected in front of an isolation switch operating mechanism, the isolation baffle is hinged in front of the isolation switch operating mechanism, the grounding baffle is hinged in front of the isolation switch operating mechanism, one end of the isolation baffle is arranged in front of an isolation operating shaft, the other end of the isolation baffle is provided with an isolation cam groove, one end of the grounding baffle is arranged in front of the grounding operating shaft, the other end of the grounding baffle is provided with a grounding cam groove, an isolation cam positioned in the isolation cam groove and a grounding cam positioned in the grounding cam groove are fixedly connected to a main shaft of the operating mechanism, the projection in front of the isolation operating shaft and the projection in front of the grounding operating shaft are both positioned on an upper sliding path of the interlocking plate, and the lower end of the interlocking plate is fixedly connected with a vertical mechanical shaft, the upper end of cable chamber door is opened there is the mechanical shaft hole that holds mechanical axis male, still includes preceding back sliding connection and connects the locking plate and with the extension spring on the chain piece of door plant pulling forward to mechanical axis lifting path in isolator operating device bottom, the upper end rigid coupling of cable chamber door has the door plant chain ejector pad with door plant even locking plate adaptation.
According to the scheme, the isolation cam and the grounding cam rotate along with the main shaft of the operating mechanism, so that the isolation baffle and the grounding baffle are stirred to swing, and the interlocking plate can slide up and down; when the equipment normally operates, the equipment is isolated to be switched on and grounded to be switched off, a grounding cam on a main shaft of the operating mechanism stirs a grounding baffle to be stopped in front of a grounding operating shaft to prevent grounding operation, at the moment, the interlocking plate falls, and a mechanical shaft at the lower end of the interlocking plate is inserted into a mechanical shaft hole of a cable chamber door to prevent the cable chamber door from being opened; during maintenance, the isolation operation shaft is rotated by using the operation handle to enable the isolation brake to be separated, and at the moment, the main shaft of the operation mechanism rotates to enable the grounding cam to stir the grounding baffle plate, so that the grounding baffle plate is avoided to be opened in front of the grounding operation shaft; then, the grounding operation shaft is rotated by using the operation handle to enable grounding to be switched on, and at the moment, the main shaft of the operation mechanism rotates to enable the isolation cam to stir the isolation baffle plate, so that the isolation baffle plate is blocked in front of the isolation operation shaft, and isolation operation is prevented. Then the interlocking plate is pulled upwards manually, so that the mechanical shaft at the lower end of the interlocking plate is pulled out of the mechanical shaft hole of the cable chamber door, the interlocking plate is blocked in front of the isolation operation shaft and the grounding operation shaft, and the isolation and grounding cannot be operated; therefore, the cable chamber door can be opened for maintenance, and after the cable chamber door is opened, the door plate connecting locking plate is ejected forwards under the pulling force of the tension spring and supported below the mechanical shaft, so that the connecting locking plate cannot fall down; after the overhaul is finished, the cable chamber door is closed, the door plate interlocking pushing block on the cable chamber door pushes the door plate interlocking sheet backwards, the mechanical shaft and the interlocking plate fall down, then the grounding operation shaft is operated to enable the grounding brake to be switched off, and finally the isolation operation shaft is operated to enable the isolation switch-on to be switched on.
Preferably, the isolating switch operating mechanism is provided with a fixed lock hole, and the interlocking plate is provided with an upper padlock lock hole and a lower padlock lock hole matched with the fixed lock hole. After the interlocking plate in the scheme ascends or descends, the interlocking plate can be manually forced to be locked through the padlock.
As optimization, the last rigid coupling of ground connection operating axis has ground connection operating axis cam, the vertical sliding connection in isolator operating device bottom has the interlocking spiale of ground connection that is located ground connection operating axis cam below, the upper end of cable chamber door is opened has the interlocking shaft hole of ground connection that holds the interlocking spiale of ground connection and insert. When in a grounding opening state, a grounding operation shaft cam on the grounding operation shaft presses down the grounding interlocking insertion shaft to enable the grounding interlocking insertion shaft to be inserted into a grounding interlocking shaft hole of a cable chamber door, so that the cable chamber door cannot be opened; when the cable chamber door is in a grounding closing state, the grounding operation shaft cam on the grounding operation shaft rotates to avoid the opening of the grounding interlocking insertion shaft so as to be pulled out of the grounding interlocking shaft hole of the cable chamber door, and therefore the cable chamber door can be opened.
Preferably, the ground interlocking plug shaft is sleeved with a spring which pushes the ground interlocking plug shaft upwards. The spring grounding interlocking plug shaft in the scheme pushes upwards, so that when the grounding switch-on state is realized, the grounding interlocking plug shaft is pulled out from the grounding interlocking shaft hole of the cable chamber door.
Preferably, the door panel interlocking piece is provided with a downward bent flanging, and the door panel interlocking push block is matched with the flanging. When the cable chamber door was closed, the chain ejector pad of door plant in this scheme promoted the turn-ups backward to promote the chain piece of door plant backward.
Preferably, the operating mechanism main shaft is detachably and fixedly connected with a cam sleeve, and the isolation cam and the grounding cam are fixedly connected with the cam sleeve. The cam sleeve in the scheme is detachably and fixedly connected with the operating mechanism main shaft, so that the isolating cam and the grounding cam are convenient to mount.
As optimization, the upper end rigid coupling of cable chamber door has horizontal cable chamber door interlocking board, the chain ejector pad of door plant and mechanical shaft hole all set up on cable chamber door interlocking board. Chain ejector pad of door plant and machinery shaft hole all set up on cable chamber door interlocking board in this scheme to be convenient for set up chain ejector pad of door plant and machinery shaft hole.
Preferably, the lower end of the interlocking plate is fixedly connected with two mechanical shafts. Set up two mechanical axes in this scheme to fixed through the biax, the shutting is reliable.
A use method of a high-reliability mechanism interlocking device of a 10kV environment-friendly inflatable cabinet comprises the following steps:
a. when the equipment normally operates, the switch-on and the grounding switch-off are isolated, a grounding cam on a main shaft of the operating mechanism stirs a grounding baffle plate to be blocked in front of a grounding operating shaft to prevent grounding operation, at the moment, the interlocking plate falls, a mechanical shaft at the lower end of the interlocking plate is inserted into a mechanical shaft hole of the cable chamber door, and a grounding operating shaft cam on the grounding operating shaft presses down the grounding interlocking inserting shaft to enable the grounding interlocking inserting shaft to be inserted into the grounding interlocking shaft hole of the cable chamber door, so that the cable chamber door cannot be opened;
b. during maintenance, the isolation operation shaft is rotated by using the operation handle to enable the isolation brake to be separated, and at the moment, the main shaft of the operation mechanism rotates to enable the grounding cam to stir the grounding baffle plate, so that the grounding baffle plate is avoided to be opened in front of the grounding operation shaft;
c. then, an operating handle is used for rotating the grounding operating shaft to enable grounding to be switched on, at the moment, the main shaft of the operating mechanism rotates to enable the isolating cam to stir the isolating baffle plate, the isolating baffle plate is kept in front of the isolating operating shaft to prevent isolating operation, and meanwhile, the grounding operating shaft cam on the grounding operating shaft rotates to avoid opening the grounding linkage inserting shaft to enable the grounding linkage inserting shaft to be pulled out from a grounding linkage shaft hole of a cable chamber door;
d. manually pulling the interlocking plate upwards to pull the mechanical shaft at the lower end of the interlocking plate out of the mechanical shaft hole of the cable chamber door, wherein the interlocking plate is blocked in front of the isolation operation shaft and the grounding operation shaft, and the isolation and grounding cannot be operated;
e. the door of the cable chamber is opened, and the door plate connecting lock plate is ejected forwards under the tension of the tension spring and supported below the mechanical shaft, so that the connecting lock plate cannot fall down;
f. after the overhaul is finished, the cable chamber door is closed, the door plate interlocking pushing block on the cable chamber door pushes the door plate interlocking sheet backwards, the mechanical shaft and the interlocking plate fall down, then the grounding operation shaft is operated to enable the grounding brake to be switched off, and finally the isolation operation shaft is operated to enable the isolation switch-on to be switched on.
The invention has the beneficial effects that: the high-reliability mechanism interlocking device of the 10kV environment-friendly inflatable cabinet and the using method thereof can completely meet the electrical five-prevention requirement, so that the disconnecting switch cannot act when the grounding is switched on, and the disconnecting switch is allowed to act when the grounding is switched off; when the grounding switch is switched on, the cable chamber door can be opened for maintenance, the cable chamber door is not closed, and power transmission operation cannot be performed.
Drawings
FIG. 1 is a front view of the isolation switch-on and grounding switch-off states of the present invention;
FIG. 2 is a front view of the isolation opening and grounding opening of the present invention;
FIG. 3 is a front view of the isolation switching-off, grounding switching-on state of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a schematic structural view of the present invention;
FIG. 6 is a schematic structural view of another embodiment of the present invention;
FIG. 7 is a top view of the cable chamber door interlock plate of the present invention;
FIG. 8 is a schematic view of a cam sleeve configuration of the present invention;
FIG. 9 is a schematic view of the isolation barrier and ground barrier configuration of the present invention;
FIG. 10 is a schematic front view of the present invention and a cable chamber door;
FIG. 11 is a side schematic view of the present invention and cable chamber door;
shown in the figure:
1. isolation switch operating device, 2, isolation operating shaft, 3, ground connection operating shaft, 4, interlocking plate, 5, isolation baffle, 6, isolation baffle round pin axle, 7, ground connection baffle, 8, ground connection baffle round pin axle, 9, cam sleeve, 10, isolation cam, 11, ground connection cam, 12, operating device main shaft, 13, fixed lockhole, 14, padlock lockhole, 15, ground connection operating shaft cam, 16, mechanical axis, 17, the chain spiale of ground connection, 18, door plant interlocking piece, 19, extension spring, 20, cable chamber door, 21, mechanical shaft hole, 22, the chain shaft hole of ground connection, 23, the chain ejector pad of door plant, 24, cable chamber door interlocking plate, 25, the turn-ups.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 to 11, the high-reliability mechanism interlocking device for the 10kV environment-friendly inflatable cabinet comprises an interlocking plate 4 vertically connected in sliding manner in front of an isolating switch operating mechanism 1, an isolating baffle 5 hinged in front of the isolating switch operating mechanism 1, and a grounding baffle 7 hinged in front of the isolating switch operating mechanism 1. The disconnector operating mechanism 1 is located above the cable chamber door 20.
As shown in fig. 1, the isolation baffle 5 is located at the lower right side of the isolation operation shaft 2, the hinge shaft of the isolation baffle 5 extends forward and backward, the front end of the isolation switch operation mechanism 1 in this embodiment is fixedly connected with an isolation baffle pin shaft 6, the isolation baffle 5 is hinged on the isolation baffle pin shaft 6, so that the isolation baffle 5 can swing left and right, one end of the isolation baffle 5 is arranged in front of the isolation operation shaft 2, and the other end of the isolation baffle 5 is provided with an isolation cam groove.
As shown in fig. 1, the ground baffle 7 is located at the upper right of the ground operation shaft 3, the hinge shaft of the ground baffle 7 extends forward and backward, the front end of the isolator operation mechanism 1 in this embodiment is fixedly connected with a ground baffle pin shaft 8, the ground baffle 7 is hinged on the ground baffle pin shaft 8, so that the ground baffle 7 can swing left and right, one end of the ground baffle 7 is arranged in front of the ground operation shaft 3, and the other end of the ground baffle 7 is provided with a ground cam groove.
The rigid coupling has the isolation cam 10 that is located the isolation cam groove and is located the ground connection cam 11 of ground connection cam groove on the operating device main shaft 12, and operating device main shaft 12 is the original pivot in the operating device, and the front and back extension just is located between isolation operating shaft 2 and the ground connection operating shaft 3, in this embodiment can dismantle the rigid coupling on the operating device main shaft 12 and have cam sleeve 9, and cam sleeve 9 cover is at operating device main shaft 12 front end, and it has the square hole that corresponds with operating device main shaft 12 front end square head to open in cam sleeve 9, thereby it is rotatory to drive cam sleeve 9 through operating device main shaft 12, keep apart the equal rigid coupling of cam 10 and ground connection cam 11 on cam sleeve 9, as shown in fig. 8, 9, can drive isolation baffle 5 swing through the rotation of isolation cam 10, can drive ground connection baffle 7 swing through ground connection cam 11's rotation.
The main part of interlock board 4 is located the left side of keeping apart operating axis 2 and ground connection operating axis 3, and extends the baffle that keeps off in keeping apart operating axis 2 and ground connection operating axis 3 the place ahead right, keep apart the forward projection of operating axis 2 and the forward projection of ground connection operating axis 3 and all be located the last slide path of interlock board 4 to keep off in the place ahead of ground connection operating axis 3 and isolation operating axis 2 when making interlock board 4 move to the upper end.
The lower extreme rigid coupling of interlock board 4 has vertical mechanical shaft 16, and in this embodiment the lower extreme rigid coupling of interlock board 4 has two mechanical shafts 16. Two mechanical shafts 16 are arranged side to side.
The cable chamber door 20 has a machine shaft hole 21 formed at an upper end thereof, into which the machine shaft 16 is inserted, and when the interlock plate 4 moves to a lower end, the machine shaft 16 is inserted into the machine shaft hole 21, so that the cable chamber door 20 cannot be opened.
The door plate connecting locking plate is characterized by further comprising a door plate connecting locking plate 18 which is connected to the bottom of the isolating switch operating mechanism 1 in a front-back sliding mode and a tension spring 19 which pulls the door plate connecting locking plate 18 forwards to a lifting path of the mechanical shaft 16, and when the mechanical shaft 16 is pulled out from the mechanical shaft hole 21 upwards, the tension spring 19 pulls the door plate connecting locking plate 18 forwards to the position below the mechanical shaft 16, so that the mechanical shaft 16 cannot fall down.
And a door panel interlocking push block 23 matched with the door panel interlocking locking plate 18 is fixedly connected to the upper end of the cable chamber door 20. In this embodiment, the door panel locking piece 18 is provided with a downward bent flange 25, and the door panel interlocking push block 23 is adapted to the flange 25. When the cable chamber door 20 is closed, the door panel interlocking pushing block 23 pushes the flange 25 backwards, so that the door panel interlocking locking piece 18 is moved backwards away from the lower part of the mechanical shaft 16, and the mechanical shaft 16 can be inserted downwards into the mechanical shaft hole 21.
As shown in fig. 4, a grounding operation shaft cam 15 is fixedly connected to the grounding operation shaft 3, a grounding interlocking insertion shaft 17 located below the grounding operation shaft cam 15 is vertically slidably connected to the bottom of the disconnecting switch operation mechanism 1, a grounding interlocking shaft hole 22 for allowing the grounding interlocking insertion shaft 17 to be inserted is formed in the upper end of the cable chamber door 20, and when the grounding operation shaft 3 is located in the grounding opening state, the grounding operation shaft cam 15 presses the grounding interlocking insertion shaft 17 downwards into the grounding interlocking shaft hole 22, so that the cable chamber door 20 cannot be opened in the grounding opening state.
As shown in fig. 4, the ground interlock plug shaft 17 is sleeved with a spring for pushing the ground interlock plug shaft 17 upward, the lower end of the spring is pressed against the lower bottom plate of the disconnecting switch operating mechanism 1, and the upper end of the spring is pressed against a pin fixed on the side surface of the ground interlock plug shaft 17, so that the ground interlock plug shaft 17 is pushed upward.
As shown in fig. 7, the upper end of the cable chamber door 20 is fixedly connected with a transverse cable chamber door interlocking plate 24, the door panel interlocking push block 23 and the machinery shaft hole 21 are both arranged on the cable chamber door interlocking plate 24, and the ground interlocking shaft hole 22 is also arranged on the cable chamber door interlocking plate 24.
The isolating switch operating mechanism 1 is provided with a fixed lock hole 13, the interlocking plate 4 is provided with an upper padlock lock hole 14 and a lower padlock lock hole 14 matched with the fixed lock hole 13, and when the interlocking plate 4 moves up and down, the padlock lock hole 14 above or below is aligned with the fixed lock hole 13, so that the interlocking plate can be manually forced to be locked through a padlock.
A use method of a high-reliability mechanism interlocking device of a 10kV environment-friendly inflatable cabinet comprises the following steps:
a. when the equipment normally operates, the equipment is isolated to be switched on and switched off, the grounding cam 11 on the operating mechanism main shaft 12 stirs the grounding baffle 7 to make the grounding baffle 7 block in front of the grounding operating shaft 3 to prevent grounding operation, at the moment, the interlocking plate 4 falls, the mechanical shaft 16 at the lower end of the interlocking plate 4 is inserted into the mechanical shaft hole 21 of the cable chamber door 20, and the grounding operating shaft cam 15 on the grounding operating shaft 3 presses down the grounding interlocking insertion shaft 17 to make the grounding interlocking insertion shaft 17 inserted into the grounding interlocking shaft hole 22 of the cable chamber door 20, so that the cable chamber door 20 cannot be opened;
b. during maintenance, the isolation operation shaft 2 is rotated by using an operation handle to enable isolation to be opened, and at the moment, the operation mechanism main shaft 12 rotates to enable the grounding cam 11 to stir the grounding baffle 7, so that the grounding baffle 7 is avoided to be opened in front of the grounding operation shaft 3;
c. then, an operating handle is used for rotating the grounding operating shaft 3 to enable grounding to be switched on, at the moment, the operating mechanism main shaft 12 rotates to enable the isolating cam 10 to stir the isolating baffle 5, the isolating baffle 5 is kept in front of the isolating operating shaft 2 to prevent isolating operation, and meanwhile, the grounding operating shaft cam 15 on the grounding operating shaft 3 rotates to avoid opening the grounding interlocking inserting shaft 17 to enable the grounding interlocking inserting shaft to be pulled out of a grounding interlocking shaft hole 22 of a cable chamber door 20;
d. the interlocking plate 4 is pulled upwards manually, so that the mechanical shaft 16 at the lower end of the interlocking plate 4 is pulled out of the mechanical shaft hole 21 of the cable chamber door 20, and at the moment, the interlocking plate 4 is blocked in front of the isolation operation shaft 2 and the grounding operation shaft 3, and both isolation and grounding cannot be operated;
e. the cable chamber door 20 is opened, the door plate connecting lock sheet 18 is ejected forwards under the tension of the tension spring 19 and supported below the mechanical shaft 16, so that the connecting lock sheet 4 cannot fall;
f. after the overhaul is finished, the cable chamber door 20 is closed, the door plate interlocking pushing block 23 on the cable chamber door 20 pushes the door plate interlocking sheet 18 backwards, the mechanical shaft 16 and the interlocking sheet 4 fall down, then the grounding operation shaft 3 is operated to enable grounding to be switched off, and finally the isolation operation shaft 2 is operated to enable isolation to be switched on.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a 10kV environmental protection aerifys cabinet high reliability interlock of mechanism which characterized in that: including vertical sliding connection at interlock board (4) in isolator operating device (1) the place ahead, articulate at isolator operating device (1) the place ahead isolation baffle (5) and articulate at isolator operating device (1) the place ahead ground baffle (7), the one end of isolation baffle (5) sets up in isolation operating shaft (2) the place ahead, and the other end of isolation baffle (5) is opened there is the isolation cam groove, the one end setting of ground baffle (7) is in ground connection operating shaft (3) the place ahead, and the other end of ground baffle (7) is opened there is the ground connection cam groove, and the rigid coupling has isolation cam (10) that are located the isolation cam groove and ground connection cam (11) that are located the ground connection cam groove on operating mechanism main shaft (12), keep apart forward projection of operating shaft (2) and forward projection of ground connection operating shaft (3) and all be located the last slide path of interlock board (4), the lower extreme rigid coupling of chain board (4) has vertical mechanical axis (16), and the upper end of cable chamber door (20) is opened and is had the mechanical axis of holding (16) male mechanical shaft hole (21), still includes preceding back sliding connection and links locking plate (18) and with door plant even locking plate (18) pulling forward to extension spring (19) on mechanical axis (16) lifting path in isolator operating device (1) bottom, the upper end rigid coupling of cable chamber door (20) has door plant chain ejector pad (23) with door plant even locking plate (18) adaptation.
2. The interlocking device of the high-reliability mechanism of the 10kV environment-friendly inflatable cabinet according to claim 1, characterized in that: a fixed lock hole (13) is formed in the isolating switch operating mechanism (1), and an upper padlock lock hole (14) and a lower padlock lock hole (14) matched with the fixed lock hole (13) are formed in the interlocking plate (4).
3. The interlocking device of the high-reliability mechanism of the 10kV environment-friendly inflatable cabinet according to claim 1, characterized in that: the rigid coupling has ground connection operating axis cam (15) on ground connection operating axis (3), the vertical sliding connection in isolator operating device (1) bottom has the chain spiale (17) of ground connection that is located ground connection operating axis cam (15) below, the upper end of cable chamber door (20) is opened and is had the chain shaft hole (22) of ground connection that holds the chain spiale (17) of ground connection and insert.
4. The 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device according to claim 3, characterized in that: the grounding interlocking plug-in shaft (17) is sleeved with a spring which pushes the grounding interlocking plug-in shaft (17) upwards.
5. The interlocking device of the high-reliability mechanism of the 10kV environment-friendly inflatable cabinet according to claim 1, characterized in that: the door plate locking piece (18) is provided with a flanging (25) bent downwards, and the door plate interlocking push block (23) is matched with the flanging (25).
6. The interlocking device of the high-reliability mechanism of the 10kV environment-friendly inflatable cabinet according to claim 1, characterized in that: the operating mechanism main shaft (12) is detachably and fixedly connected with a cam sleeve (9), and the isolation cam (10) and the grounding cam (11) are fixedly connected on the cam sleeve (9).
7. The interlocking device of the high-reliability mechanism of the 10kV environment-friendly inflatable cabinet according to claim 1, characterized in that: the upper end rigid coupling of cable chamber door (20) has horizontal cable chamber door interlocking board (24), door plant interlocking ejector pad (23) and machinery shaft hole (21) all set up on cable chamber door interlocking board (24).
8. The interlocking device of the high-reliability mechanism of the 10kV environment-friendly inflatable cabinet according to claim 1, characterized in that: the lower end of the interlocking plate (4) is fixedly connected with two mechanical shafts (16).
9. The use method of the interlocking device of the high-reliability mechanism of the 10kV environment-friendly inflatable cabinet is characterized by comprising the following steps of:
a. when the equipment normally operates, isolated switching-on and grounding switching-off are carried out, a grounding cam (11) on an operating mechanism main shaft (12) stirs a grounding baffle plate (7) to enable the grounding baffle plate to be blocked in front of a grounding operating shaft (3) to prevent grounding operation, at the moment, an interlocking plate (4) falls down, a mechanical shaft (16) at the lower end of the interlocking plate (4) is inserted into a mechanical shaft hole (21) of a cable chamber door (20), and a grounding operating shaft cam (15) on the grounding operating shaft (3) presses down a grounding interlocking insertion shaft (17) to enable the grounding interlocking insertion shaft (17) to be inserted into a grounding interlocking shaft hole (22) of the cable chamber door (20), so that the cable chamber door (20) cannot be opened;
b. during maintenance, the isolation operation shaft (2) is rotated by using an operation handle to separate the brake, and at the moment, the main shaft (12) of the operation mechanism rotates to enable the grounding cam (11) to stir the grounding baffle (7) so that the grounding baffle (7) is avoided to be opened in front of the grounding operation shaft (3);
c. then, an operating handle is used for rotating the grounding operating shaft (3) to switch on the grounding, at the moment, the operating mechanism main shaft (12) rotates to enable the isolating cam (10) to stir the isolating baffle (5), the isolating baffle (5) is kept in front of the isolating operating shaft (2) to prevent the isolating operation, and meanwhile, the grounding operating shaft cam (15) on the grounding operating shaft (3) rotates to avoid the opening and closing of the grounding interlocking inserting shaft (17) to enable the grounding operating shaft cam to be pulled out of the grounding interlocking shaft hole (22) of the cable chamber door (20);
d. the interlocking plate (4) is pulled upwards manually, so that the mechanical shaft (16) at the lower end of the interlocking plate (4) is pulled out of the mechanical shaft hole (21) of the cable chamber door (20), the interlocking plate (4) is blocked in front of the isolation operation shaft (2) and the grounding operation shaft (3), and isolation and grounding cannot be operated;
e. the cable chamber door (20) is opened, the door plate connecting lock sheet (18) is ejected forwards under the pulling force of the tension spring (19) and is supported below the mechanical shaft (16), so that the connecting lock sheet (4) cannot fall down;
f. after the overhaul is finished, the cable chamber door (20) is closed, the door plate connecting lock sheet (18) is pushed backwards by the door plate interlocking push block (23) on the cable chamber door (20), the mechanical shaft (16) and the interlocking plate (4) fall down, then the grounding operation shaft (3) is operated to enable the grounding to be switched off, and finally the isolation operation shaft (2) is operated to enable the isolation to be switched on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210606226.0A CN114823215A (en) | 2022-05-31 | 2022-05-31 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210606226.0A CN114823215A (en) | 2022-05-31 | 2022-05-31 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114823215A true CN114823215A (en) | 2022-07-29 |
Family
ID=82520231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210606226.0A Pending CN114823215A (en) | 2022-05-31 | 2022-05-31 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114823215A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202771998U (en) * | 2012-07-24 | 2013-03-06 | 上海天灵开关厂有限公司 | Interlocking device of grounding switch and cable chamber door for ring network cabinet |
| CN203690160U (en) * | 2013-12-31 | 2014-07-02 | 陈刚 | Interlocking mechanism of semi-enclosed looped network circuit breaker cabinet |
| JP2015122152A (en) * | 2013-12-20 | 2015-07-02 | 株式会社東芝 | Interlock device of switch |
| CN107946107A (en) * | 2018-01-02 | 2018-04-20 | 亚洲电力设备(深圳)股份有限公司 | The switchgear of interlock is equipped between a kind of Xiamen and earthing switch and disconnecting switch |
| CN208538721U (en) * | 2018-08-28 | 2019-02-22 | 珠海思玛特电气有限公司 | The lower anti-interlock of breaker five is isolated with tight play in switchgear in type |
| CN210837545U (en) * | 2019-12-31 | 2020-06-23 | 江苏尔悦电力设备有限公司 | Isolation hard interlocking device under double-insurance circuit breaker |
| CN212725072U (en) * | 2020-08-26 | 2021-03-16 | 江苏大烨智能电气股份有限公司 | Interlocking device of isolation circuit breaker cabinet on SF6 full-insulation ring main unit |
| CN212908773U (en) * | 2020-09-02 | 2021-04-06 | 广东紫光电气有限公司 | Switch cabinet with upper isolation lower circuit breaker |
-
2022
- 2022-05-31 CN CN202210606226.0A patent/CN114823215A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202771998U (en) * | 2012-07-24 | 2013-03-06 | 上海天灵开关厂有限公司 | Interlocking device of grounding switch and cable chamber door for ring network cabinet |
| JP2015122152A (en) * | 2013-12-20 | 2015-07-02 | 株式会社東芝 | Interlock device of switch |
| CN203690160U (en) * | 2013-12-31 | 2014-07-02 | 陈刚 | Interlocking mechanism of semi-enclosed looped network circuit breaker cabinet |
| CN107946107A (en) * | 2018-01-02 | 2018-04-20 | 亚洲电力设备(深圳)股份有限公司 | The switchgear of interlock is equipped between a kind of Xiamen and earthing switch and disconnecting switch |
| CN208538721U (en) * | 2018-08-28 | 2019-02-22 | 珠海思玛特电气有限公司 | The lower anti-interlock of breaker five is isolated with tight play in switchgear in type |
| CN210837545U (en) * | 2019-12-31 | 2020-06-23 | 江苏尔悦电力设备有限公司 | Isolation hard interlocking device under double-insurance circuit breaker |
| CN212725072U (en) * | 2020-08-26 | 2021-03-16 | 江苏大烨智能电气股份有限公司 | Interlocking device of isolation circuit breaker cabinet on SF6 full-insulation ring main unit |
| CN212908773U (en) * | 2020-09-02 | 2021-04-06 | 广东紫光电气有限公司 | Switch cabinet with upper isolation lower circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202872227U (en) | Breaker open operation interlocking device and high-tension switchgear applying the device | |
| CN102243927B (en) | Operating mechanism of high-voltage switch cabinet | |
| CN109859972B (en) | Forced interlocking structure for vacuum cabinet | |
| CN114823215A (en) | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof | |
| CN208656280U (en) | A kind of minitype high voltage cabinet valve mechanism | |
| CN217008983U (en) | Novel interlocking device of 12KV high-voltage cabinet | |
| CN208478220U (en) | A kind of five anti-interlocking operation mechanisms of middle-high voltage switch | |
| CN212113504U (en) | Mechanical interlocking structure between incoming line cabinets of dual-power automatic switching device | |
| CN212908773U (en) | Switch cabinet with upper isolation lower circuit breaker | |
| CN1093329C (en) | Interlocking plug-in box for bus bar | |
| CN203288462U (en) | An operational interlock of a ring main unit | |
| CN218730735U (en) | Control mechanism of low-voltage power distribution cabinet switch | |
| CN214848338U (en) | Interlocking mechanism for upper isolation environment-friendly cabinet door | |
| CN205230879U (en) | Mechanical interlocking between solid insulation looped netowrk cabinet earthing switch and cable chamber | |
| CN216793548U (en) | Low-voltage comprehensive distribution box | |
| CN218919768U (en) | Interlocking mechanism on environment-friendly cabinet | |
| CN111613479A (en) | Novel five-prevention locking method | |
| CN216957876U (en) | New forms of energy high pressure vacuum load switch shutting operating device | |
| CN220368384U (en) | Flexible shaft interlocking device for double-bus gas-filling cabinet | |
| CN213071760U (en) | Prevent high-voltage board protection device of maloperation | |
| CN202067690U (en) | Operating mechanism for high voltage switch cabinet | |
| CN220420496U (en) | Miniaturized multistation combination formula intelligent circuit breaker | |
| CN219534338U (en) | Manual priority padlock device of high-voltage electric grounding switch | |
| CN219370948U (en) | Five-prevention interlocking structure for wind-electricity breaker | |
| CN113990705B (en) | Environment-friendly gas insulated switchgear and use method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220729 |