CN114221173B - Output tapping device of relay protection instrument - Google Patents
Output tapping device of relay protection instrument Download PDFInfo
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- CN114221173B CN114221173B CN202111353103.2A CN202111353103A CN114221173B CN 114221173 B CN114221173 B CN 114221173B CN 202111353103 A CN202111353103 A CN 202111353103A CN 114221173 B CN114221173 B CN 114221173B
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- threaded rod
- adapter
- limiting plate
- fixedly connected
- connecting piece
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 19
- 230000001012 protector Effects 0.000 claims abstract description 26
- 230000000670 limiting effect Effects 0.000 claims description 44
- 239000004020 conductor Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/72—Means for accommodating flexible lead within the holder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to the technical field of relay protection instruments and discloses an output tapping device of a relay protection instrument, which comprises a protector body, wherein one side of the protector body is fixedly connected with a first connecting piece.
Description
Technical Field
The invention relates to the technical field of relay protection instruments, in particular to an output tapping device of a relay protection instrument.
Background
The relay protection device has the advantages that the operation speed of the host computer is high by adopting a high-speed high-performance digital signal processor, the transmission frequency bandwidth is high, and a high-density fitting sine wave of 360 points per cycle can be generated for a fundamental wave. This is the highest level in the same class of output modes. The wave form fidelity is high, and the distortion is little, especially when harmonic output, even to 6 times harmonic, 300Hz also can reach the high density of 60D/A of every cycle, and is a novel intelligent test instrument, and the instrument in the past mainly uses voltage regulator and phase shifter combination to become, and is bulky, and the precision is not high, has already can not satisfy the check-up work of modern microcomputer relay protection. With the continuous development of science and technology, the method is widely applied to various fields such as line protection, main transformer differential protection, excitation control and the like, and comprehensive automation of the transformer substation becomes the mainstream.
But current relay protection instrument is in the use, and the distribution terminal quantity of inserting is less, and the operation process is complicated, is unfavorable for the staff to operate relay protection instrument, and the junction of relay protection instrument and adapter does not have installation fixing device, and easy emergence is not hard up, and does not possess the reason line function, is unfavorable for follow-up maintenance and use.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the relay protection instrument output tapping device, which has the fixing effect on the aviation plug and the first connector, prevents the poor contact of the aviation plug and the first connector in the use process, avoids the influence on normal use, limits the wires in the wire inserting holes, prevents the loosening of the wires, influences the normal operation of the circuit, is beneficial to the arrangement of the wires, is convenient for later use and maintenance, increases the use effect of the device, and is convenient for accessing a plurality of distribution automation terminals through the adapter, thereby achieving the purpose of simultaneously inputting and debugging a plurality of distribution automation terminals by one relay protection instrument, further saving labor force and improving working efficiency.
(II) technical scheme
For realizing above-mentioned play fixed action to aviation plug and first connecting piece, prevent in the use, aviation plug and first connector are not hard up, lead to circuit contact bad, avoid consequently influencing normal use, carry out spacingly to the wire in the patchhole, prevent that the wire from becoming flexible, influence circuit normal operating, and be favorable to the arrangement wire, be convenient for later stage use and maintenance, increase the result of use of device, and be convenient for insert a plurality of distribution automation terminals through the adapter, thereby reach the purpose that a relay protects appearance and defeated a plurality of distribution automation terminals of debugging simultaneously, and then practice thrift the labour, improve work efficiency's purpose, the invention provides following technical scheme: the utility model provides a relay protection instrument output tapping device, includes the protector body, one side fixedly connected with first connecting piece of protector body, the inside cover of first connecting piece is equipped with the connecting conductor that the equidistance distributes, the outer wall cover of connecting conductor is equipped with the aviation plug, one side that the protector body was kept away from to the aviation plug is provided with the adapter, the inside of adapter is provided with the switching interface that the equidistance distributes, one side threaded connection of adapter has first threaded rod, second threaded rod and third threaded rod, one side outer wall of first threaded rod, second threaded rod and third threaded rod is fixedly connected with first gear, second gear and third gear respectively, one side outer wall that first threaded rod, second threaded rod and third threaded rod are located the inside one side outer wall of adapter equal threaded connection of equidistance distributes stop device.
Preferably, the first connecting piece is kept away from one side of protector body and has been seted up first recess, the second recess has been seted up to one side that the avionics plug is close to first connecting piece, the inside fixedly connected with of second recess extends to the second connecting piece in the first recess, the jack of placing the connecting conductor has been seted up to one side that the avionics plug is close to first connecting piece.
Preferably, the first sliding grooves distributed at equal intervals are formed in the outer wall of the first connecting piece, first sliding blocks distributed at equal intervals are arranged in the first sliding grooves, one side, away from the first connecting piece, of the first sliding blocks is fixedly connected with a first fixing ring, a screw hole is formed in one side, close to the second connecting piece, of the first fixing ring, a second sliding groove is formed in the outer wall of the navigation plug, a second sliding block is arranged in the second sliding groove, one side, away from the navigation plug, of the second sliding block is fixedly connected with a second fixing ring, and threads are formed in the outer wall of the second fixing ring.
Preferably, the second sliding block and the second sliding groove are respectively an annular sliding block and an annular sliding groove, the threads on the outer wall of the second fixing ring are matched with the screw holes formed in the first fixing ring, and the first sliding groove and the second sliding groove are vertically designed.
Preferably, the first threaded rod, the second threaded rod and the third threaded rod are sequentially arranged from top to bottom, the second gear is meshed with the first gear and the third gear, and a rotary button is fixedly connected to one side of the first threaded rod, which is close to the first gear.
Preferably, the stop device includes first limiting plate and second limiting plate, the equal fixedly connected with baffle in one side that first limiting plate and second limiting plate kept away from each other, the plug wire hole has all been seted up to one side that first limiting plate and second limiting plate are close to each other, same first threaded rod, second threaded rod and third threaded rod and the screw thread opposite direction that the first limiting plate and the second limiting plate of same stop device are located.
Preferably, the inside fixedly connected with baffle in top of adapter, the baffle rotates with the outer wall of first threaded rod, second threaded rod and third threaded rod to be connected, one side fixedly connected with backup pad that the protector body is close to the adapter, the top of backup pad contacts with the bottom of adapter.
Preferably, the protector body and the one side that the adapter kept away from each other are articulated respectively to have first gate and second gate, the top of protector body is provided with controls the panel, control panel and protector body electric connection.
(III) beneficial effects
Compared with the prior art, the invention provides the relay protection instrument output tapping device, which has the following beneficial effects:
the device simple structure, novel in design, through first retainer plate and second retainer plate, and then play fixed action to avionics plug and first connecting piece, prevent in the use, avionics plug is not hard up with first connector, lead to the circuit poor contact, avoid consequently influencing normal use, make same stop device's first limiting plate and second limiting plate be close to each other, spacing is carried out to the downthehole wire of plug wire, prevent that the wire is not hard up, influence circuit normal operating, and be favorable to the arrangement wire, be convenient for later stage use and maintenance, increase the result of use of device, and be convenient for insert a plurality of distribution automation terminals through the adapter, thereby reach the purpose that a relay protects appearance and defeated debugging many distribution automation terminals simultaneously, and then practice thrift the labour, improve work efficiency, be fit for extensively promoting.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an output tapping device of a relay protection instrument according to the present invention;
FIG. 2 is a schematic side view of the output tapping device of the relay protection instrument of the present invention;
FIG. 3 is a schematic view of the first connection and connection conductors of the output tapping device of the relay protection instrument of the present invention;
FIG. 4 is a schematic diagram of the internal structure of an aerial plug of the output tapping device of the relay protection instrument of the present invention;
fig. 5 is a schematic diagram of the internal structure of the relay protection instrument output tapping device adapter of the present invention.
In the figure: 1. a protector body; 2. a support plate; 3. an adapter; 4. a control panel; 5. a first gate; 6. a second gate; 7. a first fixing ring; 8. a first slider; 9. a screw hole; 10. a first groove; 11. a thread; 12. a second slider; 13. an aerial plug; 14. a second connector; 15. a connection conductor; 16. a first connector; 17. a second groove; 18. a rotary knob; 19. a first gear; 20. a second threaded rod; 21. a second gear; 22. a third gear; 23. a third threaded rod; 24. a partition plate; 25. a switching interface; 26. a limiting device; 2601. a first limiting plate; 2602. a second limiting plate; 2603. a baffle; 27. a first threaded rod.
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.
Embodiment one;
referring to fig. 1-5, the relay protection instrument output tapping device comprises a protector body 1, a first connecting piece 16 is fixedly connected to one side of the protector body 1, a connecting conductor 15 is convenient to fixedly connect, a first fixing ring 7 is convenient to install, connecting conductors 15 distributed at equal intervals are sleeved in the first connecting piece 16, the relay protection instrument output tapping device plays a role in conducting electricity, a aviation plug 13 is sleeved on the outer wall of the connecting conductor 15, an adapter 3 is arranged on one side, away from the protector body 1, of the aviation plug 13, an adapter interface 25 distributed at equal intervals is arranged in the adapter 3, a distribution terminal is convenient to connect, a first machine door 5 and a second machine door 6 are hinged to one side, away from each other, of the protector body 1 and the adapter 3 are respectively provided with a control panel 4, the use of workers is facilitated, the control panel 4 and the protector body 1 are electrically connected, and the purpose that a plurality of distribution automation terminals are connected is convenient to achieve a plurality of relay protection instruments and simultaneously in transmission and debugging is achieved through the adapter 3, and labor is saved, and the work efficiency is improved.
Embodiment two;
referring to fig. 1-5, a first threaded rod 27, a second threaded rod 20 and a third threaded rod 23 are connected to one side of the thread 11 of the adapter 3, a first gear 19, a second gear 21 and a third gear 22 are respectively and fixedly connected to one side outer wall of the first threaded rod 27, the second threaded rod 20 and the third threaded rod 23, the first threaded rod 27, the second threaded rod 20 and the third threaded rod 23 are driven to rotate by mutually meshed transmission of the first gear 19, the second gear 21 and the third gear 22 are sequentially arranged from top to bottom, the second gear 21 is meshed with the first gear 19 and the third gear 22, a rotating button 18 is fixedly connected to one side of the first threaded rod 27 close to the first gear 19, a limit device 26 is connected to one side outer wall of the first threaded rod 27, the second threaded rod 20 and the third threaded rod 23, which is positioned inside the adapter 3, in an equal thread 11, the limiting device 26 comprises a first limiting plate 2601 and a second limiting plate 2602, the limiting effect is achieved on the wires, a baffle 2603 is fixedly connected to one side, away from each other, of the first limiting plate 2601 and the second limiting plate 2602, wire inserting holes are formed in one side, close to each other, of the first limiting plate 2601 and the second limiting plate 2602, the wires are convenient to place, the directions of threads 11 of the first limiting plate 2601 and the second limiting plate 2602 of the same limiting device 26 are opposite, the first limiting plate 2601 and the second limiting plate 2602 are convenient to close to each other, a partition plate 24 is fixedly connected to the inside of the top of the adapter 3, stability of rotation of the first threaded rod 27, the second threaded rod 20 and the third threaded rod 23 is improved, and the partition plate 24 and the first threaded rod 27 are convenient to place, the outer wall rotation of second threaded rod 20 and third threaded rod 23 is connected, and one side that protector body 1 is close to adapter 3 fixedly connected with backup pad 2, and the top of backup pad 2 contacts with the bottom of adapter 3, makes the first limiting plate 2601 and the second limiting plate 2602 of same stop device 26 be close to each other, and it is spacing to the wire in the patchhole, prevents that the wire from becoming flexible, influences circuit normal operating, and is favorable to arranging the wire, and the later stage of being convenient for uses and maintains, increases the result of use of device.
Embodiment three;
referring to fig. 1-5, a first groove 10 is formed on a side of a first connector 16 far away from a protector body 1, a second groove 17 is formed on a side of a navigation plug 13 near the first connector 16, so as to be convenient for connecting a second connector 14, a connecting part of a connecting conductor 15 and the navigation plug 13 is protected, a second connector 14 extending into the first groove 10 is fixedly connected in the second groove 17, a jack for placing the connecting conductor 15 is formed on a side of the navigation plug 13 near the first connector 16, so as to be convenient for connecting the connecting conductor 15, first sliding grooves distributed at equal intervals are formed on the outer wall of the first connector 16, first sliding blocks 8 distributed at equal intervals are respectively arranged in the inner part of the first sliding grooves, a first fixing ring 7 is fixedly connected on a side of the first sliding blocks 8 far away from the first connector 16, the first fixing ring 7 moves along the first sliding grooves, screw holes 9 are formed on a side of the first fixing ring 7 near the second connector 14, the outer wall of the aviation plug 13 is provided with a second chute, the inside of the second chute is provided with a second slide block 12, one side of the second slide block 12 away from the aviation plug 13 is fixedly connected with a second fixing ring, the second fixing ring rotates along the second chute, the outer wall of the second fixing ring is provided with threads 11, the second slide block 12 and the second chute are respectively an annular slide block and an annular chute, the threads 11 on the outer wall of the second fixing ring are matched with the screw holes 9 provided on the first fixing ring 7, the first chute and the second chute are vertically designed, the first fixing ring 7 and the second fixing ring are convenient to screw, the first fixing ring 7 and the second fixing ring are connected with the threads 11 of the second fixing ring, the first fixing ring 7 and the second fixing ring are fixed, the aviation plug 13 and the first connecting piece 16 are further fixed, the aviation plug 13 and the first connector are prevented from loosening in the use process, the poor contact of the circuit is caused, and the normal use is prevented from being influenced.
Working principle: when the connector is used, the aviation plug 13 is inserted into the connecting conductor 15, the second connecting piece 14 is connected with the first connecting piece 16, stability of the device is improved, after the aviation plug 13 is connected with the connecting conductor 15, the first fixing ring 7 is slid, the first fixing ring 7 is enabled to approach the aviation plug 13 along the first sliding groove through the first sliding block 8, the second fixing ring is rotated, the second fixing ring is enabled to rotate along the second sliding groove through the second sliding block 12, the screw hole 9 is formed in one side, close to the second connecting piece 14, of the first fixing ring 7, the screw thread 11 is formed in the outer wall of the second fixing ring, the screw thread 11 is matched with the screw hole 9 formed in the first fixing ring 7, the first sliding groove is vertically designed with the second sliding groove, the second fixing ring is rotated, the first fixing ring 7 is enabled to be connected with the second fixing ring screw thread 11, the first fixing ring 7 and the second fixing ring are fixed, further the aviation plug 13 and the first connecting piece 16 are enabled to play a fixing role, and bad circuit contact caused in the using process is prevented, and the circuit is prevented from being influenced normally.
Further; the wire of the power distribution terminal is connected with the switching interface 25, the rotary knob 18 is rotated, the rotary knob 18 drives the first threaded rod 27 to rotate, the first threaded rod 27 drives the first gear 19 to rotate, the first gear 19 drives the second gear 21 to rotate, the second gear 21 drives the third gear 22 to rotate, the second gear 21 and the third gear 22 respectively drive the second threaded rod 20 and the third threaded rod 23 to rotate, the same first threaded rod 27, the second threaded rod 20 and the third threaded rod 23 and the first limiting plate 2601 and the second limiting plate 2602 of the same limiting device 26 are located in opposite directions, the first limiting plate 2601 and the second limiting plate 2602 of the same limiting device 26 are further made to be close to each other, the wire in the wire inserting hole is limited, the wire loosening is prevented, the normal operation of a circuit is influenced, the wire arrangement is facilitated, the later use and maintenance are facilitated, the use effect of the device is improved, and the access to a plurality of power distribution automation terminals is facilitated through the switching device 3, and the purpose of simultaneously transmitting and debugging a plurality of power distribution automation terminals is achieved, the labor is further saved, and the work efficiency is improved.
To sum up, the device simple structure, novel in design, through first retainer plate and second retainer plate, and then play fixed action to avionics plug and first connecting piece, prevent in the use, avionics plug is not hard up with first connector, lead to the circuit poor contact, avoid consequently influencing normal use, make same stop device's first limiting plate and second limiting plate be close to each other, carry out spacingly to the downthehole wire of plug wire, prevent that the wire is not hard up, influence circuit normal operating, and be favorable to arranging the wire, be convenient for later stage use and maintenance, increase the result of use of device, and be convenient for insert a plurality of distribution automation terminals through the adapter, thereby reach a purpose that keeps on a plurality of distribution automation terminals of appearance simultaneous transmission and debugging, and then practice thrift the labour, improve work efficiency, be fit for extensively promoting.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Relay protection instrument output tapping device, including protector body (1), its characterized in that: one side fixedly connected with first connecting piece (16) of protector body (1), the inside cover of first connecting piece (16) is equipped with connecting conductor (15) of equidistance distribution, the outer wall cover of connecting conductor (15) is equipped with avionics plug (13), one side that avionics plug (13) kept away from protector body (1) is provided with adapter (3), the inside of adapter (3) is provided with switching interface (25) of equidistance distribution, one side screw thread (11) of adapter (3) is connected with first threaded rod (27), second threaded rod (20) and third threaded rod (23), one side outer wall of first threaded rod (27), second threaded rod (20) and third threaded rod (23) is fixedly connected with first gear (19), second gear (21) and third gear (22) respectively, one side outer wall that first threaded rod (27), second threaded rod (20) and third threaded rod (23) are located inside adapter (3) is equal screw thread (11) and is connected with spacing device (26) of equidistance distribution;
a first groove (10) is formed in one side, far away from the protector body (1), of the first connecting piece (16), a second groove (17) is formed in one side, close to the first connecting piece (16), of the aviation plug (13), a second connecting piece (14) extending into the first groove (10) is fixedly connected to the inside of the second groove (17), and a jack for placing a connecting conductor (15) is formed in one side, close to the first connecting piece (16), of the aviation plug (13);
the outer wall of the first connecting piece (16) is provided with first sliding grooves which are distributed at equal intervals, first sliding blocks (8) which are distributed at equal intervals are arranged in the first sliding grooves, one side, away from the first connecting piece (16), of each first sliding block (8) is fixedly connected with a first fixing ring (7), one side, close to the second connecting piece (14), of each first fixing ring (7) is provided with a screw hole (9), the outer wall of the aerial plug (13) is provided with a second sliding groove, the inside of the second sliding groove is provided with a second sliding block (12), one side, away from the aerial plug (13), of each second sliding block (12) is fixedly connected with a second fixing ring, and the outer wall of each second fixing ring is provided with threads (11); the second sliding block (12) and the second sliding groove are respectively an annular sliding block and an annular sliding groove, threads (11) on the outer wall of the second fixing ring are matched with screw holes (9) formed in the first fixing ring (7), and the first sliding groove and the second sliding groove are vertically designed.
2. The relay protection instrument output tapping device according to claim 1, wherein: the first threaded rod (27), the second threaded rod (20) and the third threaded rod (23) are sequentially arranged from top to bottom, the second gear (21) is meshed with the first gear (19) and the third gear (22) mutually, and a rotary button (18) is fixedly connected to one side, close to the first gear (19), of the first threaded rod (27).
3. The relay protection instrument output tapping device according to claim 1, wherein: stop device (26) are including first limiting plate (2601) and second limiting plate (2602), equal fixedly connected with baffle (2603) in one side that first limiting plate (2601) and second limiting plate (2602) kept away from each other, plug wire hole has all been seted up to one side that first limiting plate (2601) and second limiting plate (2602) are close to each other, same first threaded rod (27), second threaded rod (20) and third threaded rod (23) and screw thread (11) opposite direction that first limiting plate (2601) and second limiting plate (2602) of same stop device (26) are located.
4. The relay protection instrument output tapping device according to claim 1, wherein: the inside fixedly connected with baffle (24) in top of adapter (3), baffle (24) rotate with the outer wall of first threaded rod (27), second threaded rod (20) and third threaded rod (23) and are connected, one side that protector body (1) is close to adapter (3) fixedly connected with backup pad (2), the top of backup pad (2) contacts with the bottom of adapter (3).
5. The relay protection instrument output tapping device of claim 4, wherein: one side that protector body (1) and adapter (3) kept away from each other articulates respectively has first gate (5) and second gate (6), the top of protector body (1) is provided with controls panel (4), control panel (4) and protector body (1) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353103.2A CN114221173B (en) | 2021-11-16 | 2021-11-16 | Output tapping device of relay protection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353103.2A CN114221173B (en) | 2021-11-16 | 2021-11-16 | Output tapping device of relay protection instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114221173A CN114221173A (en) | 2022-03-22 |
| CN114221173B true CN114221173B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111353103.2A Active CN114221173B (en) | 2021-11-16 | 2021-11-16 | Output tapping device of relay protection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114221173B (en) |
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| CN207691155U (en) * | 2018-01-04 | 2018-08-03 | 东莞市松懿电器有限公司 | A kind of universal changeover plug |
| CN208352568U (en) * | 2018-07-05 | 2019-01-08 | 浙江凯美特电器科技有限公司 | A kind of integral type side multiplex roles type socket |
| CN109546396A (en) * | 2018-11-13 | 2019-03-29 | 国家电网有限公司 | Attaching plug converting interface device |
| CN209329279U (en) * | 2019-01-25 | 2019-08-30 | 邵磊 | A kind of novel monitoring communication converter attachment device |
| CN210897752U (en) * | 2019-09-30 | 2020-06-30 | 泰科电子（苏州）有限公司 | Charging socket shell assembly and charging socket |
| CN210779964U (en) * | 2019-12-25 | 2020-06-16 | 遵义师范学院 | Network cable distributing box for computer network |
| CN212304079U (en) * | 2020-06-05 | 2021-01-05 | 杭州中电天恒电力科技有限公司 | Novel self-short-circuit aerial plug |
| CN212543316U (en) * | 2020-06-22 | 2021-02-12 | 吴家勇 | Adjustable bus duct |
| CN112186681A (en) * | 2020-08-31 | 2021-01-05 | 江苏陆地方舟新能源车辆股份有限公司 | Ceiling wire harness support convenient to installation |
| CN213878659U (en) * | 2020-12-02 | 2021-08-03 | 镇江市润奇电子有限公司 | Radio frequency connector with strong adaptability |
| CN112670034A (en) * | 2020-12-24 | 2021-04-16 | 叶开文 | Waste cable treatment device |
| CN214255681U (en) * | 2020-12-26 | 2021-09-21 | 陈新淼 | Novel relay protector |
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