CN113793777B - Contact operating mechanism of vacuum circuit breaker - Google Patents
Contact operating mechanism of vacuum circuit breaker Download PDFInfo
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- CN113793777B CN113793777B CN202111248578.5A CN202111248578A CN113793777B CN 113793777 B CN113793777 B CN 113793777B CN 202111248578 A CN202111248578 A CN 202111248578A CN 113793777 B CN113793777 B CN 113793777B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 206010014357 Electric shock Diseases 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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Abstract
The application relates to the technical field of vacuum circuit breakers, in particular to a contact operating mechanism of a vacuum circuit breaker, which comprises a base, a circuit breaker body, a conductive protrusion, a conductive trigger block, a first motor and a switch trigger piece, wherein the base is provided with a first motor; the breaker body and the first motor are both arranged on the base; the conductive bulge is fixedly arranged on the breaker body; the conductive trigger block is connected with the breaker body through an elastic telescopic rod; one side of the conductive trigger block, which is far away from the conductive bulge, is an inclined plane; the switch trigger piece comprises a mounting bracket and a roller rotatably mounted on the mounting bracket; grooves matched with the rollers are formed in the inclined planes; the base and the roller are both made of insulating materials; the first motor is connected with the switch trigger piece and is used for driving the roller to move along the groove so as to push the conductive trigger block to move along the direction close to the conductive protrusion until the conductive trigger block is in conductive contact with the conductive protrusion. The application effectively solves the technical problem of electric shock risk in the operation process of the existing circuit breaker.
Description
Technical Field
The application relates to the technical field of vacuum circuit breakers, in particular to a contact operating mechanism of a vacuum circuit breaker.
Background
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, and the division of a high-voltage boundary line and a low-voltage boundary line is fuzzy, and is generally called as a high-voltage electrical appliance with the voltage of more than 3 kV.
The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power line, the motor and the like, automatically cutting off the circuit when serious overload, short circuit, undervoltage and other faults occur, has the function equivalent to the combination of a fuse type switch, an over-under-heating relay and the like, and generally does not need to change parts after breaking fault current. The existing circuit breaker has an insulated operating handle, but needs to be operated manually, when the circuit voltage is too high, an arc can occur, and the danger of electric shock can occur in the operation process.
Disclosure of Invention
Therefore, the application aims to provide a vacuum circuit breaker contact operating mechanism, which effectively solves the technical problem of electric shock risk in the operation process of the existing circuit breaker.
In order to achieve the above purpose, the present application provides the following technical solutions:
A vacuum circuit breaker contact operating mechanism comprises a base, a circuit breaker body, a conductive protrusion, a conductive trigger block, a first motor and a switch trigger piece;
the breaker body and the first motor are both arranged on the base;
The conductive bulge is fixedly arranged on the breaker body;
The conductive trigger block is connected with the breaker body through an elastic telescopic rod;
One side of the conductive trigger block, which is far away from the conductive protrusion, is an inclined plane;
The switch triggering piece comprises a mounting bracket and a roller rotatably mounted on the mounting bracket;
Grooves matched with the rollers are formed in the inclined planes;
The base and the roller are both made of insulating materials;
The first motor is connected with the switch trigger piece and is used for driving the roller to move along the groove so as to push the conductive trigger block to move along the direction close to the conductive protrusion until the conductive trigger block is in conductive contact with the conductive protrusion.
Preferably, in the above-mentioned vacuum circuit breaker contact operating mechanism, a second motor and a moving riser are further included;
The movable vertical plate is movably arranged on the base, and the first motor is arranged on the movable vertical plate;
The second motor is connected with the movable vertical plate and used for driving the movable vertical plate to move along the direction approaching to or away from the breaker body.
Preferably, in the above-mentioned vacuum circuit breaker contact operating mechanism, two sides of the base are provided with slide rails, and the two slide rails are arranged in parallel;
the two ends of the movable vertical plate are respectively arranged on the two sliding rails in a sliding mode through guide blocks.
Preferably, in the above-mentioned vacuum circuit breaker contact operating mechanism, the two sides of the moving riser are provided with first threaded sleeves;
the first threaded sleeve is internally provided with a first threaded rod in a threaded manner;
The second motor is connected with the first threaded rod through a gear set.
Preferably, in the above-mentioned contact operating mechanism for a vacuum circuit breaker, a mounting cover is mounted on the moving riser;
a first sliding block and a second threaded rod are arranged in the mounting cover;
The first motor is connected with the second threaded rod and used for driving the second threaded rod to rotate;
the first sliding block is in threaded sleeve connection with the second threaded rod;
the switch trigger piece is connected with the first sliding block.
Preferably, in the above-mentioned contact operating mechanism for a vacuum circuit breaker, a guide rod parallel to the second threaded rod is installed in the installation cover;
The first sliding block is movably sleeved on the guide rod.
Preferably, in the above-mentioned contact operating mechanism for a vacuum circuit breaker, a fixed riser is mounted on the base;
Two breaker locking pieces are arranged on the fixed vertical plate;
the breaker body is mounted between two breaker locking members.
Preferably, in the above-mentioned vacuum circuit breaker contact operating mechanism, two sides of the circuit breaker body are provided with clamping matching blocks;
The opposite sides of the two breaker locking pieces are provided with a movable clamping block and a fixed clamping block;
a third motor is arranged in each breaker locking piece;
The third motor is connected with the movable clamping block and is used for driving the movable clamping block to move along the direction close to or far away from the fixed clamping block, so that a clamping space matched with the clamping matching block is formed between the movable clamping block and the fixed clamping block.
Preferably, in the above vacuum circuit breaker contact operating mechanism, the third motor is connected with a third threaded rod;
the circuit breaker locking piece is internally and movably provided with a second sliding block, and the movable clamping block is connected with the second sliding block;
The second sliding block is in threaded connection with the third threaded rod through a second threaded sleeve.
Preferably, in the above-mentioned contact operating mechanism for a vacuum circuit breaker, the elastic telescopic rod includes a first rod body and a second rod body;
The second rod body is elastically and movably arranged in the first rod body through a spring.
Compared with the prior art, the application has the beneficial effects that:
The application provides a contact operating mechanism of a vacuum circuit breaker, which can drive a switch trigger piece to move when a first motor rotates, and further can drive a roller to horizontally move along a groove.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a top view of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present application;
fig. 2 is a schematic view of an internal structure of a mounting cover of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present application;
Fig. 3 is an enlarged view of a position a of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present application;
Fig. 4 is a schematic view of an internal structure of a circuit breaker locking member of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present application;
fig. 5 is a cross-sectional view of an elastic telescopic rod of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present application.
In the figure:
1. A base; 2. fixing a vertical plate; 3. a first threaded rod; 4. a drive box; 5. a driven bevel gear; 6. a second motor; 7. a drive bevel gear; 8. a breaker locking member; 9. moving the vertical plate; 10. a first threaded sleeve; 11. a slide rail; 12. a guide block; 13. a mounting cover; 14. a first motor; 15. a second threaded rod; 16. a guide rod; 17. a first slider; 18. a third threaded sleeve; 19. a first sliding port; 20. a connecting rod; 21. a switch trigger; 22. a third threaded rod; 23. a third motor; 24. a second slider; 25. a guide rail; 26. a second threaded sleeve; 27. moving the clamping block; 28. fixing the clamping blocks; 29. a clamping groove; 30. a second sliding port; 31. a switch controller; 32. a mounting bracket; 33. a roller; 34. a circuit breaker body; 35. clamping the matching block; 36. a conductive bump; 37. a first rod body; 38. a second rod body; 39. a spring; 40. a conductive trigger block; 41. a groove; 42. an elastic telescopic rod.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the embodiments of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, and the division of a high-voltage boundary line and a low-voltage boundary line is fuzzy, and is generally called as a high-voltage electrical appliance with the voltage of more than 3 kV. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power line, the motor and the like, automatically cutting off the circuit when serious overload, short circuit, undervoltage and other faults occur, has the function equivalent to the combination of a fuse type switch, an over-under-heating relay and the like, and generally does not need to change parts after breaking fault current. The existing circuit breaker has an insulated operating handle, but needs to be operated manually, when the circuit voltage is too high, an arc can occur, and the danger of electric shock can occur in the operation process. The embodiment provides a vacuum circuit breaker contact operating mechanism, which effectively solves the technical problem that the existing circuit breaker is at risk of electric shock in the operation process.
Referring to fig. 1-5, an embodiment of the present application provides a vacuum circuit breaker contact operating mechanism, which includes a base 1, a circuit breaker body 34, a conductive protrusion 36, a conductive trigger block 40, a first motor 14 and a switch trigger 21; the breaker body 34 and the first motor 14 are both mounted on the base 1; the conductive protrusion 36 is fixedly mounted on the breaker body 34; the conductive trigger block 40 is connected to the breaker body 34 by an elastic telescopic rod 42; the side of the conductive trigger block 40 away from the conductive bump 36 is beveled; the switch triggering piece 21 comprises a mounting bracket 32 and a roller 33 rotatably mounted on the mounting bracket 32; grooves 41 matched with the rollers 33 are formed on the inclined surfaces; both the base 1 and the roller 33 are made of an insulating material; the first motor 14 is connected to the switch trigger 21 for driving the roller 33 to move along the groove 41 to push the conductive trigger block 40 to move in a direction approaching the conductive bump 36 until the conductive trigger block 40 is in conductive contact with the conductive bump 36.
More specifically, the number of the conductive protrusions 36 is two, and the two conductive protrusions 36 are respectively located at two sides of the elastic telescopic rod 42; the breaker body 34 is mounted on the base 1 through the fixed riser 2, and the breaker body 34 is mounted on a side of the fixed riser 2 near the switch trigger 21.
According to the embodiment, the switch trigger piece 21 can be driven to move when the first motor 14 rotates, the roller 33 can be driven to horizontally move along the groove 41, and as one side of the conductive trigger block 40, which is close to the roller 33, is of an inclined surface structure, when the roller 33 moves in the groove 41 along the thickness increasing direction of the conductive trigger block 40, the elastic telescopic rod 42 can be compressed, the conductive trigger block 40 is driven to move along the direction, which is close to the conductive protrusion 36, so that the conductive trigger block 40 is in conductive contact with the conductive protrusion 36, a passage is formed, the purpose of effectively protecting a circuit by starting the circuit breaker is achieved, and as the roller 33 and the base 1 are made of insulating materials, the risk of electric shock does not exist when a worker operates, the circuit breaker is safer, and the technical problem of the existing circuit breaker in the operation process of the electric shock risk is effectively solved.
Further, in the present embodiment, referring to fig. 1, the apparatus further includes a second motor 6 and a moving riser 9; the movable vertical plate 9 is movably arranged on the base 1, and the first motor 14 is arranged on the movable vertical plate 9; the second motor 6 is connected to the moving riser 9 for driving the moving riser 9 to move in a direction approaching or moving away from the breaker body 34. The second motor 6 can drive the movable vertical plate 9 to move along the direction approaching to or separating from the breaker body 34, so as to drive the first motor 14 and the switch trigger piece 21 to move, thereby realizing the distance between the regulating roller 33 and the conductive trigger piece 40, so that the roller 33 is movably arranged in the groove 41 of the conductive trigger piece 40, and then the first motor 14 is started to push the roller 33 to horizontally move along the groove 41, so as to stably form compression movement on the elastic telescopic rod 42, and further push the conductive trigger piece 40 to be in contact conduction with the conductive protrusion 36 of the breaker body 34.
Further, in the present embodiment, referring to fig. 1, two sides of the base 1 are provided with sliding rails 11, and the two sliding rails 11 are arranged in parallel; both ends of the movable vertical plate 9 are respectively and slidably arranged on the two slide rails 11 through guide blocks 12. The movable vertical plate 9 is arranged in parallel with the fixed vertical plate 2, the sliding rail 11 is perpendicular to the movable vertical plate 9, and the moving direction of the movable vertical plate 9 is effectively limited through the two sliding rails 11, so that the movable vertical plate 9 always moves in a state of being parallel to the fixed vertical plate 2, and the roller 33 can move into the corresponding groove 41 more accurately;
Further, in the present embodiment, referring to fig. 2, both sides of the movable riser 9 are provided with first threaded sleeves 10; the first threaded sleeve 10 is internally provided with a first threaded rod 3 in a threaded manner; the second motor 6 is connected to the first threaded rod 3 by a gear set. Starting the second motor 6 to drive the first threaded rod 3 to rotate along a direction through the gear set, so that the first threaded rod 3 continuously moves along the inside of the first threaded sleeve 10, namely the first threaded rod 3 continuously contracts in the first threaded sleeve 10, and the distance between the movable vertical plate 9 and the fixed vertical plate 2 is reduced; the second motor 6 is also started to drive the first threaded rod 3 to rotate in the reverse direction through the gear set, so that the first threaded rod 3 continuously moves along the outside of the first threaded sleeve 10, that is, the first threaded rod 3 continuously extends out of the first threaded sleeve 10, thereby realizing the expansion of the distance between the movable riser 9 and the fixed riser 2.
More specifically, the two first threaded bushings 10 and the first threaded rod 3 are symmetrically arranged on both sides of the mobile riser 9; the gear set comprises a drive bevel gear 7 and a driven bevel gear 5, an output shaft of the second motor 6 is connected with the drive bevel gear 7, and the first threaded rod 3 is in meshed transmission connection with the drive bevel gear 7 through the driven bevel gear 5.
Further, in the present embodiment, referring to fig. 2, a mounting cover 13 is mounted on the movable riser 9; a first sliding block 17 and a second threaded rod 15 are arranged in the mounting cover 13; the first motor 14 is connected with the second threaded rod 15 and is used for driving the second threaded rod 15 to rotate; the first sliding block 17 is in threaded sleeve connection with the second threaded rod 15; the switch trigger 21 is connected to the first slider 17. The second threaded rod 15 corresponds to a screw rod, the first sliding block 17 corresponds to a screw rod nut arranged on the screw rod, the first motor 14 is started to drive the second threaded rod 15 to rotate, the first sliding block 17 moves linearly along the second threaded rod 15, the whole switch trigger piece 21 is driven to move in the horizontal direction, the roller 33 is driven to move horizontally along the groove 41, the conductive trigger block 40 can be extruded, the elastic telescopic rod 42 is compressed, the conductive trigger block 40 is in contact conduction with the conductive protrusion 36 on the circuit breaker body 34, and the requirement for starting the circuit breaker to cut off a circuit is met.
More specifically, the mounting cover 13 is mounted on a side of the movable riser 9 away from the fixed riser 2, the second threaded rod 15 is rotatably mounted in the movable riser 9, the switch trigger 21 is connected with the first sliding block 17 through the connecting rod 20, the movable riser 9 is provided with a first sliding opening 19 through which the connecting rod 20 passes, and the first sliding opening 19 can also play a role in limiting the movement range of the switch trigger 21, and the first sliding block 17 is mounted on the second threaded rod 15 through the third threaded sleeve 18 in a threaded manner.
Further, in the present embodiment, referring to fig. 2, a guide bar 16 parallel to the second threaded bar 15 is installed in the installation housing 13; the first sliding block 17 is movably sleeved on the guide rod 16. The arrangement of the guide rod 16 not only can limit the action of the movement direction of the first sliding block 17, but also can limit the third threaded sleeve 18 and the first sliding block 17, so that the condition that the third threaded sleeve 18 and the first sliding block 17 cannot rotate along the second threaded rod 15 to control the roller 33 to move along the horizontal direction is avoided.
Further, in the present embodiment, referring to fig. 1, a fixed riser 2 is mounted on a base 1; two breaker locking pieces 8 are arranged on the fixed vertical plate 2; the breaker body 34 is mounted between the two breaker locks 8. Can realize dismantling circuit breaker body 34 installation on fixed riser 2 (that is base 1) through the setting of two circuit breaker retaining members 8, make things convenient for the staff to install circuit breaker body 34 on base 1 or dismantle circuit breaker body 34 from base 1 according to actual need to the maintenance is changed to the convenience.
More specifically, each breaker locking member 8 may be detachably connected to the fixed riser 2 by a fastener; one side of the fixed riser 2, which is far away from the movable riser 9, is fixedly provided with a driving box 4, a second motor 6 is arranged in the driving box 4, the second motor 6 is specifically a servo double-shaft rotating motor, two output shafts of the servo double-shaft rotating motor are connected with driving bevel gears 7, each first threaded rod 3 is rotatably arranged on the fixed riser 2 through a bearing, and each first threaded rod 3 penetrates through the fixed riser 2 to be in meshed transmission connection with the corresponding driving bevel gears 7 through driven bevel gears 5.
Further, in the present embodiment, referring to fig. 3 and 4, clamping matching blocks 35 are disposed on both sides of the breaker body 34; the opposite sides of the two breaker locking pieces 8 are provided with a movable clamping block 27 and a fixed clamping block 28; a third motor 23 is arranged inside each breaker locking member 8; the third motor 23 is connected to the movable clamping block 27, and is used for driving the movable clamping block 27 to move along a direction approaching or separating from the fixed clamping block 28, so that a clamping space matched with the clamping matching block 35 is formed between the movable clamping block 27 and the fixed clamping block 28. Through forming the centre gripping effect to the centre gripping cooperation piece 35 of the both sides of circuit breaker body 34, realize installing circuit breaker body 34 on fixed riser 2, circuit breaker body 34 can be the U type, and two centre gripping cooperation pieces 35 set up on the outer wall of circuit breaker body 34, and electrically conductive trigger piece 40 and electrically conductive protruding 36 all set up in the inside cavity inslot of circuit breaker body 34.
More specifically, the clamping matching block 35 may be similar to a cross shape, and the opposite sides of the fixed clamping block 28 and the movable clamping block 27 are provided with clamping grooves 29 corresponding to the clamping matching block 35, so that a better clamping effect can be formed on the clamping matching block 35, which is beneficial to avoiding the loosening of the breaker body 34.
Further, in the present embodiment, referring to fig. 4, a third threaded rod 22 is connected to a third motor 23; the second sliding block 24 is movably arranged in the breaker locking piece 8, and the movable clamping block 27 is connected with the second sliding block 24; the second slider 24 is screwed with the third threaded rod 22 by means of a second threaded sleeve 26. Starting the third motor 23, and driving the third threaded rod 22 to rotate along a direction by the third motor 23, wherein the third threaded rod 22 is slowly separated from the second threaded sleeve 26, so that the movable clamping block 27 moves along a direction away from the fixed clamping block 28, and the effect of expanding the clamping space between the movable clamping block 27 and the fixed clamping block 28 is achieved; the third motor 23 is started, the third motor 23 drives the third threaded rod 22 to rotate in the reverse direction, and the third threaded rod 22 is slowly screwed into the second threaded sleeve 26, so that the movable clamping block 27 moves in the direction approaching to the fixed clamping block 28, and the effect of reducing the clamping space between the movable clamping block 27 and the fixed clamping block 28 is achieved.
More specifically, the circuit breaker locking member 8 has a hollow structure, a guide rail 25 is provided in the circuit breaker locking member 8, a second sliding block 24 is mounted on the guide rail 25, and a second sliding opening 30 through which the moving clamping block 27 passes is provided in a side wall of the circuit breaker locking member 8; the base 1 is provided with a switch controller 31, and the first motor 14, the second motor 6 and the third motor 23 are connected with the switch controller 31 through leads so as to perform corresponding operations through each motor of the switch controller 31.
Further, in the present embodiment, referring to fig. 5, the elastic telescopic rod 42 includes a first rod 37 and a second rod 38; the second rod 38 is elastically movably mounted in the first rod 37 by a spring 39. The first rod body 37 is connected with the breaker body 34, the first rod body 37 is provided with an inner groove, the first end of the second rod body 38 is connected with the conductive trigger block 40, the second end of the second rod body 38 is connected with the first end of the spring 39, the spring 39 is arranged in the inner groove, and the second end of the spring 39 is connected with the inner wall of the first rod body 37. The requirement that the conductive trigger block 40 moves close to the conductive protrusion 36 can be met through the arrangement of the spring 39, so that the conductive trigger block 40 can be in contact conduction with the conductive protrusion 36, and the requirement that the conductive trigger block 40 moves away from the conductive protrusion 36 can also be met, so that an open circuit can be formed between the conductive trigger block 40 and the conductive protrusion 36.
The working procedure of this embodiment is: when the circuit breaker body 34 is installed, the second motor 6 is started firstly, the first threaded rod 3 can be driven to rotate through the meshing of the driving bevel gear 7 and the driven bevel gear 5, the first threaded rod 3 is in threaded connection with the first threaded sleeve 10, so that the roller 33 is driven to be far away from the fixed vertical plate 2, then the circuit breaker body 34 is placed between the two circuit breaker locking pieces 8, the movable clamping blocks 27 and the fixed clamping blocks 28 are driven by the second motor 6 to be close to clamp and fix the circuit breaker body 34, the roller 33 is driven by the second motor 6 to be reversely rotated, so that the roller 33 is driven to be close to the circuit breaker body 34, the groove 41 is formed, and therefore installation is completed, the second threaded rod 15 can be driven to rotate when the first motor 14 is rotated, the first sliding block 17 can be driven to horizontally move, the connecting rod 20 can be driven to horizontally move, the roller 33 can be driven to horizontally when the connecting rod 20 is horizontally moved, one side of the conductive triggering block 40, which is close to the roller 33, is in a slope structure, the elastic telescopic rod 42 can be compressed in the process that the conductive triggering block 40 is simultaneously pressed against the two conductive protrusions 36, and the roller 33 is formed into a safe electric shock channel, and the insulating channel 31 can be made of an insulating material when the insulating controller is formed by the base 31.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The vacuum circuit breaker contact operating mechanism is characterized by comprising a base, a circuit breaker body, a conductive protrusion, a conductive trigger block, a first motor, a switch trigger piece, a second motor and a movable vertical plate;
the breaker body and the first motor are both arranged on the base;
The conductive bulge is fixedly arranged on the breaker body;
The conductive trigger block is connected with the breaker body through an elastic telescopic rod;
One side of the conductive trigger block, which is far away from the conductive protrusion, is an inclined plane;
The switch triggering piece comprises a mounting bracket and a roller rotatably mounted on the mounting bracket;
Grooves matched with the rollers are formed in the inclined planes;
The base and the roller are both made of insulating materials;
The first motor is connected with the switch trigger piece and is used for driving the roller to move along the groove so as to push the conductive trigger block to move along the direction close to the conductive protrusion until the conductive trigger block is in conductive contact with the conductive protrusion;
The movable vertical plate is movably arranged on the base, and the first motor is arranged on the movable vertical plate;
The second motor is connected with the movable vertical plate and used for driving the movable vertical plate to move along the direction approaching to or away from the breaker body.
2. The vacuum circuit breaker contact operating mechanism of claim 1, wherein two sides of the base are provided with sliding rails, and the two sliding rails are arranged in parallel;
the two ends of the movable vertical plate are respectively arranged on the two sliding rails in a sliding mode through guide blocks.
3. The vacuum circuit breaker contact operating mechanism of claim 2 wherein the moving riser is provided with a first threaded sleeve on both sides;
the first threaded sleeve is internally provided with a first threaded rod in a threaded manner;
The second motor is connected with the first threaded rod through a gear set.
4. A vacuum circuit breaker contact operating mechanism as claimed in claim 3 wherein said moving riser has a mounting cup mounted thereon;
a first sliding block and a second threaded rod are arranged in the mounting cover;
The first motor is connected with the second threaded rod and used for driving the second threaded rod to rotate;
the first sliding block is in threaded sleeve connection with the second threaded rod;
the switch trigger piece is connected with the first sliding block.
5. The vacuum circuit breaker contact operating mechanism of claim 4 wherein a guide bar is mounted within said mounting housing parallel to said second threaded rod;
The first sliding block is movably sleeved on the guide rod.
6. The vacuum circuit breaker contact operating mechanism of claim 1 wherein said base has a fixed riser mounted thereon;
Two breaker locking pieces are arranged on the fixed vertical plate;
the breaker body is mounted between two breaker locking members.
7. The vacuum circuit breaker contact operating mechanism of claim 6, wherein clamping engagement blocks are provided on both sides of the circuit breaker body;
a movable clamping block and a fixed clamping block are arranged on one side of each of the two breaker locking pieces, which are opposite to each other;
a third motor is arranged in each breaker locking piece;
The third motor is connected with the movable clamping block and is used for driving the movable clamping block to move along the direction close to or far away from the fixed clamping block, so that a clamping space matched with the clamping matching block is formed between the movable clamping block and the fixed clamping block.
8. The vacuum interrupter contact operating mechanism of claim 7, wherein said third motor is connected with a third threaded rod;
the circuit breaker locking piece is internally and movably provided with a second sliding block, and the movable clamping block is connected with the second sliding block;
The second sliding block is in threaded connection with the third threaded rod through a second threaded sleeve.
9. A vacuum circuit breaker contact operating mechanism according to any one of claims 1 to 8 wherein said resilient telescopic rod comprises a first rod body and a second rod body;
The second rod body is elastically and movably arranged in the first rod body through a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248578.5A CN113793777B (en) | 2021-10-26 | 2021-10-26 | Contact operating mechanism of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248578.5A CN113793777B (en) | 2021-10-26 | 2021-10-26 | Contact operating mechanism of vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113793777A CN113793777A (en) | 2021-12-14 |
| CN113793777B true CN113793777B (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111248578.5A Active CN113793777B (en) | 2021-10-26 | 2021-10-26 | Contact operating mechanism of vacuum circuit breaker |
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| CN115732280B (en) * | 2022-12-15 | 2024-03-08 | 中国建筑第五工程局有限公司 | Temporary power failure alarm system for construction site |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110582A (en) * | 1976-07-02 | 1978-08-29 | General Electric Company | Stored-energy operating device for an electric circuit breaker |
| CN106098470A (en) * | 2016-08-21 | 2016-11-09 | 张玉华 | A kind of high-pressure vacuum breaker |
| CN106098469A (en) * | 2016-08-21 | 2016-11-09 | 张玉华 | A kind of high-pressure vacuum breaker |
| CN205789676U (en) * | 2016-06-02 | 2016-12-07 | 宁波长和电器有限公司 | A kind of fast and stable type arc extinguishing type chopper |
| CN207542164U (en) * | 2017-12-05 | 2018-06-26 | 陈上禄 | A kind of manual point off contact structures of breaker |
| CN208433337U (en) * | 2018-07-09 | 2019-01-25 | 江苏双汇电力发展股份有限公司 | A kind of high-voltage switch gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3541909B2 (en) * | 1996-05-29 | 2004-07-14 | 三菱電機株式会社 | 3-position operation mechanism |
-
2021
- 2021-10-26 CN CN202111248578.5A patent/CN113793777B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110582A (en) * | 1976-07-02 | 1978-08-29 | General Electric Company | Stored-energy operating device for an electric circuit breaker |
| CN205789676U (en) * | 2016-06-02 | 2016-12-07 | 宁波长和电器有限公司 | A kind of fast and stable type arc extinguishing type chopper |
| CN106098470A (en) * | 2016-08-21 | 2016-11-09 | 张玉华 | A kind of high-pressure vacuum breaker |
| CN106098469A (en) * | 2016-08-21 | 2016-11-09 | 张玉华 | A kind of high-pressure vacuum breaker |
| CN207542164U (en) * | 2017-12-05 | 2018-06-26 | 陈上禄 | A kind of manual point off contact structures of breaker |
| CN208433337U (en) * | 2018-07-09 | 2019-01-25 | 江苏双汇电力发展股份有限公司 | A kind of high-voltage switch gear |
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