CN114038716B - Pressing plate device for relay protection - Google Patents
Pressing plate device for relay protection Download PDFInfo
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- CN114038716B CN114038716B CN202111326089.7A CN202111326089A CN114038716B CN 114038716 B CN114038716 B CN 114038716B CN 202111326089 A CN202111326089 A CN 202111326089A CN 114038716 B CN114038716 B CN 114038716B
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- knife
- platform
- slide
- relay protection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the technical field of power equipment, and discloses a pressing plate device for relay protection, which comprises a device main body, a connecting valve, a platform, a connector, a knife switch, a resetting device, a positioning device and a withdrawal device. This clamp plate device for relay protection based on make the slide column drive the fixture block through rotatory rotary valve, the pointer observes the fixture block and breaks away from the constant head tank, lift up the rotary valve and make its drive the slide column break away from slide rail inflection point, release torsional spring locking state, lose the positioner through the torsional spring and begin to reset, and drive the knife gate disconnection, the beneficial effect that does not need direct contact knife gate when having reached the disconnection contact, contact the slide rail through the slide column bottom, the fixture block inserts the constant head tank when the slide column gets into, through constant head tank positioning fixture block, make the slide column synchronous positioning that its tail end is connected, the slide column is at the inboard continuous movement of slide rail, after the knife gate contact other end connects, the slide column card is gone into "L" shape slide rail corner and is formed the locking, the beneficial effect that can not become flexible after the closed knife gate has been reached.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a pressing plate device for relay protection.
Background
The protection pressing plate is also called a protection connecting piece or a tripping pressing plate, which is a bridge and a tie of the protection device connected with external wiring, and relates to the protection function and whether an action outlet can normally function. The pressing plate is a visual disconnection point, so that operators can conveniently judge whether a tripping circuit of the relay protection device can be communicated with a tripping coil of a switch (circuit breaker), great convenience is provided for maintenance and operation, and a disconnection point which cannot be completely closed is added in a protection system of a transformer substation. Because of the particularity of the relay protection tripping pressing plate, in a normal state (no tripping command), two sides cannot be electrified at the same time. The pressing plate is manually operated to be controlled by the responsibility of operators and the actual technical level.
At present, when an operator opens and closes the pressing plate, the existing pressing plate is manually moved, a clamping block on the top surface of the knife blade is required to be pressed and broken, so that the knife blade is moved and the two sides are disconnected, the operator needs to manually and directly contact the knife blade, certain dangerously is achieved, meanwhile, the existing knife blade is only clamped on the other side breakpoint by the aid of a knife blade bayonet, the knife blade is easy to loosen when emergency is met, further the existing knife blade can cause embrittlement of a connecting part after being used for a long time, and the knife blade is easy to break when being opened and closed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a pressing plate device for relay protection, which has the advantages that the pressing plate device does not need to be in direct contact with a knife switch when the knife switch is opened, the knife switch cannot be loosened after the knife switch is closed, the junction of the knife switch cannot be embrittled to prevent accidents and the like, and solves the problems of the prior art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a clamp plate device based on relay protection is with clamp plate device, includes device main part, junction valve, platform, joint, knife, resetting means, positioner and withdrawal device, the junction valve sets up in device main part bottom surface, the junction valve top sets up the platform, the platform includes slide rail and constant head tank, the slide rail sets up in the platform top surface, the slide rail inside wall sets up the constant head tank, the joint sets up in the platform top, the joint middle-end sets up the knife, the knife includes bearing and bayonet socket, the bearing sets up in the knife tail end, the bayonet socket sets up in the knife head end, resetting means sets up in the joint middle-end and connects the knife tail end, resetting means includes torsional spring, outer loop, fixture block and telescopic link, the torsional spring sets up in joint middle-end and outside connection outer loop, the outer loop outside sets up the telescopic link, the fixture block back wall sets up the telescopic link, positioner sets up in the knife middle-end, positioner includes spout, slide post and snap ring, the spout sets up in the top surface, the slide post sets up in the inboard spout, the slide post sets up in the end and is located the slide post below, the slide post sets up in the clamp ring bottom the slide post sets up in the clamp block, the pointer sets up in the clamp block bottom the slide valve.
Preferably, the connecting valves are symmetrically arranged on the bottom surface of the platform, the platform is positioned at the middle end of the device main body, and the insulator is wrapped outside the platform.
Through above-mentioned technical scheme, connect the breakpoint through the junction valve, further make the device main part connect both ends breakpoint respectively, strengthen the protectiveness through the insulator in the platform outside.
Preferably, the insulator is a rubber sleeve, and concave-convex anti-skid stripes are arranged outside the rubber sleeve; the two sides of the rubber sleeve are provided with concave inner arcs.
Through above-mentioned technical scheme, after the suit that rubber sleeve can be convenient, can further increase the insulating protection in platform outside.
Preferably, the slide rail sets up in the platform top surface, slide rail "L" font, the constant head tank is seted up to slide rail inside wall symmetry, the constant head tank is located the slide rail middle-end and inboard and agrees with the fixture block.
Through above-mentioned technical scheme, connect the other end through the plug-in strip, the inboard traveller bottom contact slide rail of plug-in strip middle-end spout this moment, further fixture block gets into simultaneously at the traveller and inserts the constant head tank, through constant head tank location fixture block, makes the traveller synchronous positioning that its tail end is connected, prevents the skew slide rail, keeps on moving in the slide rail inboard through the traveller to after the plug-in strip contacts the other end and connects, the traveller card goes into "L" shape slide rail corner and forms the locking.
Preferably, the connectors are symmetrically arranged at the front end and the rear end of the top surface of the platform, the tail end of the switch blade is movably connected with connectors at any end, the outer shaft of the bearing is fixedly connected with the tail end of the switch blade and is sleeved on the top of the side wall of the connector in an inner shaft manner, and the bayonet is formed in the side wall of the front end of the switch blade.
Through above-mentioned technical scheme, connect the junction valve of bottom respectively through both ends connects, make the breakpoint connect the joint through the junction valve to make the joint form the link after the plug-in strip is connected, minimize the frictional force between plug-in strip and the joint through the bearing, further bayonet socket is for the butt joint for ordinary bayonet socket.
Preferably, the cross section of the bayonet is U-shaped; the clamping block is of a cylindrical structure.
Through the technical scheme, the clamping structure is more convenient to match with the clamping structure, and the clamping process is smoother.
Preferably, the torsional spring cup joints the joint middle-end that is located knife head end one side, torsional spring bottom fixed connection connects the surface, torsional spring head end fixed connection outer loop inside wall, the outer loop passes through the torsional spring and rotates to be connected in the joint lateral wall middle-end, outer loop top surface fixed connection knife bottom surface, fixture block fixed mounting is in outer loop surface center, telescopic link tail end fixed connection fixture block antetheca and head end connection snap ring lateral wall.
Through above-mentioned technical scheme, drive the snap ring synchronous revolution of bottom surface when rotating the butt joint through the plug-in strip, further drive inboard torsional spring through the snap ring rotation, rebound after the torsional spring deformation shrink and reset and drive the snap ring to through the snap ring reset rotation, drive the plug-in strip disconnection.
Preferably, the sliding groove penetrates through the middle end of the top surface of the knife switch, the inner side of the sliding groove is connected with the top of the side wall of the sliding column in a sliding mode, the bottom of the sliding column is connected with the sliding rail in a sliding mode, and the inner side of the clamping ring is connected with the tail end of the telescopic rod in a sliding mode.
Through above-mentioned technical scheme, when turning to and head end bayonet butt joint through the plug-in components, follow the slide column at the inboard slip of spout and continue deeply this moment, further snap ring synchronous movement to keep away from the telescopic link gradually.
Preferably, the clamping blocks are symmetrically arranged at two ends of the bottom surface of the sliding column, and the clamping blocks are slidably connected to the inner sides of the positioning grooves.
Through above-mentioned technical scheme, through fixture block fixed connection traveller, effectually guaranteed that the traveller receives the fixture block spacing when the slide rail inboard removes, further when the traveller rotates and drives the fixture block rotatory, the fixture block breaks away from the constant head tank, upwards pulls out the traveller this moment, and the torsional spring loses the location thing and begins to reset to drive the knife switch disconnection.
Preferably, the rotary valve bottom surface is connected with the slide column top surface, the rotary valve is positioned on the top surface of the knife switch, and the pointer is opposite to and parallel to the clamping block.
Through above-mentioned technical scheme, through the pointer counterpoint fixture block of rotary valve top surface, when needs disconnection, make the strut drive the fixture block rotatory through rotatory rotary valve to utilize the pointer to observe the fixture block and break away from the constant head tank after, upwards mention the rotary valve and make it drive the strut break away from slide rail inflection point, release torsional spring locking state.
Compared with the prior art, the invention provides a pressing plate device for relay protection, which comprises the following components
The beneficial effects are that:
1. this clamp plate device for relay protection based on makes the slide column drive the fixture block rotatory through rotatory change valve to utilize the pointer to observe the fixture block and break away from the constant head tank after, upwards mention change valve makes it drive the slide column and break away from slide rail inflection point, releases torsional spring locking state, loses the location thing through the torsional spring and begins to reset, and drives the knife switch disconnection, does not need the beneficial effect of direct contact knife switch when having reached the disconnection contact.
2. This connect the other end through the plug-in connection based on clamp plate device for relay protection, the inboard traveller bottom contact slide rail of plug-in connection middle-end spout this moment, further fixture block gets into simultaneously at the traveller and inserts the constant head tank, through constant head tank location fixture block, the traveller synchronous positioning who makes its tail end connect prevents the skew slide rail, it is inboard continuously to remove at the slide rail through the traveller to connect the back at the plug-in connection of plug-in connection other end, the traveller card is gone into "L" shape slide rail corner and is formed the locking, has reached the beneficial effect that can not become flexible after closing the plug-in connection.
3. This based on clamp plate device for relay protection makes the frictional force between plug-in strip and the joint minimum through the bearing, has reached the beneficial effect that the plug-in strip junction can not embrittle and prevent unexpected emergence.
Drawings
FIG. 1 is a schematic elevational view in cross-section of the overall structure of one embodiment of the present invention;
FIG. 2 is a schematic top view of a platform structure according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a knife switch according to one embodiment of the present invention;
FIG. 4 is a schematic perspective view of an outer ring structure according to an embodiment of the present invention;
FIG. 5 is a perspective view of a telescopic rod according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a strut structure according to an embodiment of the present invention.
Reference numerals illustrate:
1-a device body; 2-connecting valves; 3-a platform; 301-sliding rails; 302-positioning grooves; 4-linker; 5-knife switch; 501-bearing; 502-bayonet; 6-resetting means; 601-torsion spring; 602-an outer ring; 603-clamping blocks; 604-telescoping rod; 7-positioning means; 701-sliding groove; 702-a spool; 703-snap ring; 8-a backset device; 801-clamping blocks; 802-rotary valve; 803-pointer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-6, a pressing plate device for relay protection comprises a device main body 1, a connecting valve 2, a platform 3, a connector 4, a knife 5, a reset device 6, a positioning device 7 and a withdrawal device 8, wherein the connecting valve 2 is arranged on the bottom surface of the device main body 1, the top of the connecting valve 2 is provided with the platform 3, the platform 3 comprises a sliding rail 301 and a positioning groove 302, the sliding rail 301 is arranged on the top surface of the platform 3, the inner side wall of the sliding rail 301 is provided with the positioning groove 302, the connector 4 is arranged on the top of the platform 3, the middle end of the connector 4 is provided with the knife 5, the knife 5 comprises a bearing 501 and a bayonet 502, the bearing 501 is arranged at the tail end of the knife 5, the bayonet 502 is arranged at the head end of the knife 5, the reset device 6 is arranged at the middle end of the connector 4 and is connected with the tail end of the knife 5, the resetting device 6 comprises a torsion spring 601, an outer ring 602, a clamping block 603 and a telescopic rod 604, wherein the torsion spring 601 is arranged at the middle end of the joint 4, the outer ring 602 is connected to the outer side of the torsion spring, the clamping block 603 is arranged at the outer side of the outer ring 602, the telescopic rod 604 is arranged on the rear wall of the clamping block 603, the positioning device 7 is arranged at the middle end of the knife 5, the positioning device 7 comprises a sliding groove 701, a sliding column 702 and a clamping ring 703, the sliding groove 701 is arranged on the top surface of the knife 5, the sliding column 702 is arranged on the inner side of the sliding groove 701, the clamping ring 703 is arranged at the middle end of the sliding column 702 and is positioned below the knife 5, the withdrawing device 8 is arranged on the outer surface of the sliding column 702, the withdrawing device 8 comprises a clamping block 801, a rotary valve 802 and a pointer 803, the clamping block 801 is arranged at the bottom of the sliding column 702, the rotary valve 802 is arranged at the top of the sliding column 702, and the pointer 803 is arranged on two sides of the rotary valve 802.
Specifically, as shown in fig. 1: the connecting valve 2 is symmetrically arranged on the bottom surface of the platform 3, the platform 3 is positioned at the middle end of the device main body 1, the insulator is wrapped outside the platform 3, and the connecting valve has the advantages that the connecting valve 2 is used for connecting break points, the device main body 1 is further connected with break points at two ends respectively, and the protection property is enhanced through the insulator outside the platform 2.
Specifically, as shown in fig. 1: the insulator is a rubber sleeve, and concave-convex anti-skid stripes are arranged outside the rubber sleeve; the two sides of the rubber sleeve are provided with concave inner arcs. The protection performance of the protection platform is further improved.
Specifically, as shown in fig. 1 and 2: the sliding rail 301 is arranged on the top surface of the platform 3, the inner side wall of the sliding rail 301 is symmetrically provided with the positioning grooves 302, the positioning grooves 302 are positioned at the middle end of the sliding rail 301 and are matched with the clamping blocks 801 on the inner side, the sliding rail 301 is contacted with the bottom of the sliding column 702 on the inner side of the sliding groove 701 at the middle end of the sliding rail 5 at the moment through the connecting head 4 of the sliding rail 5, the further clamping blocks 801 are inserted into the positioning grooves 302 when the sliding column 702 enters, the clamping blocks 801 are positioned through the positioning grooves 302, the sliding column 702 connected with the tail end of the sliding rail 801 is synchronously positioned, the sliding rail 301 is prevented from moving on the inner side of the sliding rail 301 continuously through the sliding column 702, and after the sliding rail 5 contacts with the connecting head 4 at the other end, the sliding column 702 is clamped into the corner of the L-shaped sliding rail 301 to form locking.
Specifically, as shown in fig. 1-3: the connector 4 is symmetrically arranged at the front end and the rear end of the top surface of the platform 3, the tail end of the knife 5 is movably connected with the connector 4 at any end, the outer shaft of the bearing 501 is fixedly connected with the tail end of the knife 5 and is sleeved on the top of the side wall of the connector 4 in an inner shaft manner, the bayonet 502 is arranged on the side wall of the front end of the knife 5, the connector 4 is connected with the connector 4 through the connectors 4 at the two ends, the break points are connected with the connector 4 through the connectors 2, the connector 4 forms a link after the knife 5 is connected, the friction between the knife 5 and the connector 4 is minimized through the bearing 501, and the further bayonet 502 is a common bayonet 502 for butting the connector 4.
Specifically, as shown in fig. 3, 4 and 6: the cross section of the bayonet is U-shaped; the clamping block is of a cylindrical structure. The clamping device has the advantage that the clamping process is smoother.
Specifically, as shown in fig. 1, 2, 4, and 5: the torsional spring 601 cup joints the middle-end that is located the joint 4 of knife 5 head end one side, the torsional spring 601 bottom fixed connection connects 4 surface, torsional spring 601 head end fixed connection outer loop 602 inside wall, outer loop 602 passes through torsional spring 601 rotation to be connected in the joint 4 lateral wall middle-end, outer loop 602 top surface fixed connection knife 5 bottom surface, fixture block 603 fixed mounting is in outer loop 602 surface center, telescopic link 604 tail end fixed connection fixture block 603 antetheca and head end connection snap ring 703 lateral wall, the advantage is that the snap ring 703 synchronous rotation who drives the bottom surface when rotating the butt joint through knife 5, further the torsional spring 601 who drives inboard through snap ring 703 rotation drives snap ring 703 through rebound reset after torsional spring 601 deformation shrink, and drive knife 5 disconnection through snap ring 703 reset rotation.
Specifically, as shown in fig. 1-3: the spout 701 runs through and sets up in plug 5 top surface middle-end, spout 701 inboard sliding connection slide column 702 lateral wall top, slide column 702 bottom sliding connection in slide rail 301, snap ring 703 inboard sliding connection telescopic link 604 tail end, the advantage is when turning to and head end bayonet socket 502 butt joint 4 through plug 5, at this moment along with slide column 702 slides continuously deeply in spout 701 inboard, further snap ring 703 synchronous motion to keep away from telescopic link 604 gradually.
Specifically, as shown in fig. 1, 3 and 6: the fixture blocks 801 are symmetrically arranged at two ends of the bottom surface of the sliding column 702, the fixture blocks 801 are slidably connected to the inner sides of the positioning grooves 302, the advantage is that the sliding column 702 is fixedly connected with the sliding column 702 through the fixture blocks 801, the position of the sliding column 702 is effectively guaranteed to be limited by the fixture blocks 801 when the sliding column 702 moves on the inner sides of the sliding rails 301, the fixture blocks 801 are further driven to rotate when the sliding column 702 rotates, the fixture blocks 801 are separated from the positioning grooves 302, the sliding column 702 is pulled upwards at the moment, the torsional springs 601 lose the positioning objects to start to reset, and the knife switch 5 is driven to be disconnected.
Specifically, as shown in fig. 1 and 6: the bottom surface of the rotary valve 802 is connected with the top surface of the sliding column 702, the rotary valve 802 is positioned on the top surface of the knife switch 5, the pointer 803 is opposite to and parallel to the fixture block 801, and the advantage is that the pointer 803 on the top surface of the rotary valve 802 is used for aligning the fixture block, when disconnection is needed, the rotary valve 802 is rotated to enable the sliding column 702 to drive the fixture block 603 to rotate, and after the fixture block 603 is observed by the pointer 803 to be separated from the positioning groove 302, the rotary valve 802 is lifted upwards to enable the sliding column 702 to be driven to be separated from the inflection point of the sliding rail 301, and the locking state of the torsion spring 601 is released.
In use, as shown in figures 1-6: the friction between the knife 5 and the connector 4 is minimized through the bearing 501, the clamp ring 703 on the bottom surface is driven to synchronously rotate when the knife 5 rotates and is in butt joint with the connector 4 through the clamp ring 703, the inner torsion spring 601 is driven to synchronously position through the clamp ring 703, at this time, as the slide column 702 slides continuously deep inside the slide rail 301, the further clamp ring 703 synchronously moves and gradually moves away from the telescopic rod 604, the slide column 702 is fixedly connected through the clamp block 801, the slide column 702 is effectively ensured to be limited by the clamp block 801 when the slide column 702 moves inside the slide rail 301, the other end connector 4 is connected through the knife 5, at this time, the bottom of the slide column 702 at the inner side of the slide groove 701 at the middle end of the knife 5 contacts the slide rail 301, the further clamp block 801 is simultaneously inserted into the positioning groove 302 when the slide column 702 enters, the positioning clamp block 302 is positioned through the positioning clamp groove 302, the slide column 702 connected at the tail end of the slide column 702 is synchronously positioned, the slide column 301 is prevented from being deviated, the slide rail 301 continuously moves inside the slide column 702, and after the knife 5 contacts the other end connector 4, the slide column 702 is clamped into the corner of the L-shaped slide rail 301, and forms a lock when the connection is required, the lock is released, the clamp block 802 is rotated, the slide column 702 is enabled to rotate and the slide column 702 is driven to be separated from the rotating through the rotating clamp block 802, the rotating valve 702, the slide valve is driven to be separated from the slide rail 601, the lock point is released from the slide valve 601, and the lock point is released, and the lock valve 601 is kept by the slide valve is separated from the slide valve is rotated, and is kept by the slide valve is kept by the slide valve, and is separated from the lock from the position, and is kept by the position by the lock.
While the preferred embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and these changes relate to the related art well known to those skilled in the art, which fall within the scope of the present invention.
Many other changes and modifications may be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (10)
1. The utility model provides a clamp plate device for relay protection, includes device main part (1), junction valve (2), platform (3), connects (4), knife switch (5), resetting means (6), positioner (7) and device (8) of returning to the position, its characterized in that: connecting valve (2) set up in device main part (1) bottom surface, connecting valve (2) top sets up platform (3), platform (3) are including slide rail (301) and constant head tank (302), slide rail (301) are seted up in platform (3) top surface, slide rail (301) inside wall sets up constant head tank (302), connect (4) to set up in platform (3) top, connect (4) middle-end to set up knife (5), knife (5) include bearing (501) and bayonet socket (502), bearing (501) set up in knife (5) tail end, bayonet socket (502) set up in knife (5) head end, resetting means (6) set up in connect (4) middle-end and connect knife (5) tail end, resetting means (6) are including torsional spring (601), outer loop (602), fixture block (603) and telescopic link (604), torsional spring (601) set up in connect outer loop (602) middle-end and outside, fixture block (603) set up outside setting up knife (603), fixture block (7) set up in knife (5) tail end (5), the setting up in chute (7) after telescopic link (7) Slide column (702) and snap ring (703), spout (701) set up in brake blade (5) top surface, slide column (702) set up in spout (701) inboard, snap ring (703) set up in slide column (702) middle-end and are located brake blade (5) below, device (8) set up in slide column (702) surface, device (8) of moving back include fixture block (801), change valve (802) and pointer (803), fixture block (801) set up in slide column (702) bottom, change valve (802) set up in slide column (702) top, pointer (803) set up in change valve (802) both sides.
2. The relay protection-based platen device according to claim 1, wherein: the connecting valve (2) is symmetrically arranged on the bottom surface of the platform (3), the platform (3) is positioned at the middle end of the device main body (1), and the insulator is wrapped on the outer side of the platform (3).
3. The relay protection-based platen device according to claim 2, wherein: the insulator is a rubber sleeve, and concave-convex anti-skid stripes are arranged outside the rubber sleeve; the two sides of the rubber sleeve are provided with concave inner arcs.
4. The relay protection-based platen device according to claim 1, wherein: the sliding rail (301) is arranged on the top surface of the platform (3), the sliding rail (301) is L-shaped, positioning grooves (302) are symmetrically formed in the inner side wall of the sliding rail (301), and the positioning grooves (302) are located at the middle end of the sliding rail (301) and are internally matched with the clamping blocks (801).
5. The relay protection-based platen device according to claim 1, wherein: the connector (4) is symmetrically arranged at the front end and the rear end of the top surface of the platform (3), the tail end of the knife switch (5) is movably connected with the connector (4) at any end, the outer shaft of the bearing (501) is fixedly connected with the tail end of the knife switch (5) and is sleeved at the top of the side wall of the connector (4) in an inner shaft manner, and the bayonet (502) is formed in the side wall of the front end of the knife switch (5).
6. The relay protection-based pressure plate device according to claim 5, wherein: the cross section of the bayonet is U-shaped; the clamping block is of a cylindrical structure.
7. The relay protection-based platen device according to claim 1, wherein: the utility model discloses a knife switch, including outer loop (602), spring (601), clamping block (603), telescopic link (604) tail end fixed connection clamping block (603) front wall and head end connection snap ring (703) lateral wall, torsion spring (601) cup joint in joint (4) middle-end that is located knife switch (5) head end one side, torsion spring (601) bottom fixed connection joint (4) surface, torsion spring (601) head end fixed connection outer loop (602) inside wall, outer loop (602) top surface fixed connection knife switch (5) bottom surface through torsion spring (601), clamping block (603) fixed mounting is in outer loop (602) surface center, clamping block (603) front wall and head end connection snap ring (703) lateral wall.
8. The relay protection-based platen device according to claim 1, wherein: the sliding groove (701) is formed in the middle end of the top surface of the knife switch (5) in a penetrating mode, the inner side of the sliding groove (701) is connected with the top of the side wall of the sliding column (702) in a sliding mode, the bottom of the sliding column (702) is connected with the sliding rail (301) in a sliding mode, and the rear wall of the clamping ring (703) is connected with the tail end of the telescopic rod (604).
9. The relay protection-based platen device according to claim 1, wherein: the clamping blocks (801) are symmetrically arranged at two ends of the bottom surface of the sliding column (702), and the clamping blocks (801) are connected to the inner side of the positioning groove (302) in a sliding mode.
10. The relay protection-based platen device according to claim 1, wherein: the bottom surface of the rotary valve (802) is connected with the top surface of the sliding column (702), the rotary valve (802) is positioned on the top surface of the knife switch (5), and the pointer (803) is opposite to and parallel to the clamping block (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111326089.7A CN114038716B (en) | 2021-11-10 | 2021-11-10 | Pressing plate device for relay protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111326089.7A CN114038716B (en) | 2021-11-10 | 2021-11-10 | Pressing plate device for relay protection |
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| Publication Number | Publication Date |
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| CN114038716A CN114038716A (en) | 2022-02-11 |
| CN114038716B true CN114038716B (en) | 2023-05-09 |
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| CN202111326089.7A Active CN114038716B (en) | 2021-11-10 | 2021-11-10 | Pressing plate device for relay protection |
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| CN2454892Y (en) * | 2000-12-06 | 2001-10-17 | 冷斌 | Intelligent high-precision current-limiting knife switch |
| JP2005267905A (en) * | 2004-03-16 | 2005-09-29 | Mitsubishi Electric Corp | Circuit breaker |
| CN104283320A (en) * | 2014-10-29 | 2015-01-14 | 国网四川省电力公司达州供电公司 | State monitoring terminal structure for electric protection pressing plate |
| CN205666156U (en) * | 2016-06-15 | 2016-10-26 | 国家电网公司 | Protection clamp plate that possesses state detection device |
| CN209929072U (en) * | 2019-07-08 | 2020-01-10 | 国网新疆电力有限公司检修公司 | High-voltage lightning arrester with glue storage moisture-proof sealing structure |
| WO2021114319A1 (en) * | 2019-12-12 | 2021-06-17 | 江苏亚开电气有限公司 | Insulating switch structure for starting and stopping of electric switch |
| CN211958534U (en) * | 2020-06-02 | 2020-11-17 | 国网新疆电力有限公司检修公司 | Portable recyclable power equipment hard pressing plate isolation device |
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| CN114038716A (en) | 2022-02-11 |
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Address after: 830002 Jianshe Road 5, Tianshan District, Urumqi, the Xinjiang Uygur Autonomous Region Applicant after: Super high voltage branch of State Grid Xinjiang Electric Power Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 830002 Jianshe Road 5, Tianshan District, Urumqi, the Xinjiang Uygur Autonomous Region Applicant before: MAINTENANCE COMPANY, STATE GRID XINJIANG ELECTRIC POWER Co. Applicant before: STATE GRID CORPORATION OF CHINA |
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