CN118610046B - A mechanical interlocking device for circuit breaker - Google Patents
A mechanical interlocking device for circuit breaker Download PDFInfo
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- CN118610046B CN118610046B CN202410890354.1A CN202410890354A CN118610046B CN 118610046 B CN118610046 B CN 118610046B CN 202410890354 A CN202410890354 A CN 202410890354A CN 118610046 B CN118610046 B CN 118610046B
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- circuit breaker
- mounting
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- arc
- limiting
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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
- H01H71/1009—Interconnected mechanisms
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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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
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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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
- H01H71/0271—Mounting several complete assembled circuit breakers together
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
本发明涉及断路器技术领域，特别是涉及一种用于断路器的机械互锁装置，包括有第一断路器、第二断路器和互锁座，第一断路器和第二断路器的一侧底部处设置有控制开关，且控制开关均通过旋转柱转动连接在第一断路器和第二断路器上，旋转柱的一侧外周均通过螺栓固定安装有若干个旋转锥齿，第一断路器上在旋转锥齿的外周啮合连接有第一半齿轮，第二断路器上在旋转锥齿的外周啮合连接有第二半齿轮。本发明通过固定架上的轴承带动旋转板上两端的扇形齿轮进行对相反运动，利用反向运动的扇形齿轮带动两端的第一半齿轮和第二半齿轮进行相反的旋转运动，进而对控制开关进行断开和闭合操作，实现互锁效果，齿轮啮合运动，结构稳定牢固。
The present invention relates to the technical field of circuit breakers, and in particular to a mechanical interlocking device for circuit breakers, comprising a first circuit breaker, a second circuit breaker and an interlocking seat, a control switch is arranged at the bottom of one side of the first circuit breaker and the second circuit breaker, and the control switch is rotatably connected to the first circuit breaker and the second circuit breaker through a rotating column, a plurality of rotating bevel teeth are fixedly installed on the outer periphery of one side of the rotating column by bolts, a first half gear is meshed and connected to the outer periphery of the rotating bevel teeth on the first circuit breaker, and a second half gear is meshed and connected to the outer periphery of the rotating bevel teeth on the second circuit breaker. The present invention drives the fan gears at both ends of the rotating plate to perform opposite movements through the bearings on the fixed frame, and uses the reversely moving fan gears to drive the first half gear and the second half gear at both ends to perform opposite rotational movements, thereby opening and closing the control switch, achieving an interlocking effect, gear meshing movement, and a stable and firm structure.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a mechanical interlocking device for a circuit breaker.
Background
In a manual power supply conversion system, a traditional molded case circuit breaker is usually switched by adopting an alternating current contactor, the upper end of the contactor is isolated, overloaded and short-circuited for protection, in a low-voltage distribution system, a plurality of important power supply fields jointly use two paths of power supplies for power supply, one path is a main power supply, the other path is a standby power supply, and the power distribution system can only use one path for power supply when in operation, if the two paths are simultaneously powered, abnormal voltage of electric equipment and a power grid can be caused, the operation of the equipment and the safety of the power grid are seriously influenced, and an electric accident is caused, so that only one path of power supply input in the two paths of power supplies must be ensured in a mechanical interlocking or electric interlocking mode.
At present, a mechanical interlocking structure installed between circuit breakers mainly realizes one-way closing and the other-way opening, only ensures that the power supply of one-way circuit is opened, but in the process of continuous closing back and forth, the mechanical interlocking structure can be dislocated and loosened, for example, a mechanical interlocking device of a molded case circuit breaker generally adopts a flexible steel wire brake, steel wires in the wire brake are easy to stretch under the pulling of a spring, the fixing part of the end part of the steel wires is easy to fall off, thereby affecting the reliability of the mechanical interlocking, and in addition, the power storage and the stretching of the spring are utilized to achieve the internal linkage, so that the supporting effect can be relatively poor due to the loosening of the spring.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the present invention provides a mechanical interlock for a circuit breaker.
In order to solve the technical problems, the invention provides the following technical scheme: including first circuit breaker, second circuit breaker and setting are in first circuit breaker with interlock seat in the middle of the second circuit breaker, first circuit breaker with one side bottom department of second circuit breaker is provided with control switch, just control switch all rotates through the column spinner and connects first circuit breaker with on the second circuit breaker, one side periphery of column spinner all has a plurality of rotatory awl tooth through bolt fixed mounting, be in on the first circuit breaker the periphery meshing of rotatory awl tooth is connected with first half gear, be in on the second circuit breaker the periphery meshing of rotatory awl tooth is connected with the second half gear, arc interlock groove has been seted up to the both sides of interlock seat, be provided with on the interlock seat right between the arc interlock groove first circuit breaker with the interlock subassembly that the second circuit breaker carries out the interlock, the interlock subassembly is including:
The device comprises an interlocking seat, a limiting base, a first rack plate, a second rack plate, a rotating gear, a bearing, a first rack plate and a second rack plate, wherein the limiting base is fixedly arranged at two ends of the inside of the interlocking seat through bolts;
The fixing frame is fixedly arranged at the center of the interior of the interlocking seat through a bolt, the top of the fixing frame is connected with a rotating plate through a bearing, fan-shaped plates are fixedly arranged at two ends of the rotating plate through bolts, fan-shaped gears are fixedly arranged at the top ends of the fan-shaped plates through bolts, and the fan-shaped gears are in meshed connection with the second rack plate;
The fixed rod is fixedly arranged at the top of one side of the rotary gear through a bolt, fixed holes which are matched with the fixed rod in size are formed in one side of the top of the first half gear and one side of the top of the second half gear, and the top ends of the fixed rods extend into the fixed holes in a penetrating mode;
The top one end activity of spacing base is connected with the limiting plate throughout, the top of limiting plate runs through and extends to outside one side of interlock seat, top one side center department of limiting plate has arc gag lever post through bolt fixed mounting, just arc gag lever post all moves about the control switch is inboard, the both ends center department of interlock seat is provided with the mounting bracket, be provided with installation component in the mounting bracket.
As a preferable technical scheme of the invention, one side of the fixed hole of the first circuit breaker and the second circuit breaker is provided with an arc movable groove which is matched with the arc interlocking groove in size and position, the top end of the fixed rod penetrates through the arc movable groove and extends into the fixed hole, the rotating gear symmetrically moves at two sides of the inner part of the interlocking seat, the inner side of the control switch is provided with an arc groove, and the arc limiting rod is movably propped against the control switch through the arc groove.
As a preferable technical scheme of the invention, a first chute is formed in the center of one side of the top of the limit base, a limit block is movably connected in the limit base, a first sliding plate which moves in the first chute is fixedly arranged in the center of one side of the top of the limit block through a bolt, the top end of the first sliding plate is fixedly arranged in the center of the bottom of the first rack plate through a bolt, a second chute is formed in the center of one side of the limit base, a second sliding plate which moves in the second chute is fixedly arranged in the center of one side of the limit block through a bolt, a second rack plate is fixedly arranged at the top end of the second sliding plate through a bolt, a limit hole which is identical to the limit plate in size is formed in the center of one end of the limit base, and the limit plate movably penetrates through the limit hole.
As a preferable technical scheme of the invention, the installation component comprises an installation cavity and an installation plate, wherein the installation cavity is formed in two ends of the inside of the installation frame, the installation plate is movably arranged at two ends of the installation cavity, the installation groove is formed in two ends of the installation frame, the installation cavity is formed in the center of the installation groove on the installation frame, the installation plate is movably connected to the two ends of the installation groove in the installation frame, a telescopic spring is fixedly arranged between one sides of the installation plate through bolts, an installation rod is fixedly arranged at the center of two ends of the other side of the installation plate through bolts, and the top end of the installation rod penetrates through and extends into the installation groove.
The U-shaped support plate which is matched with the installation groove in size is fixedly installed at the centers of the two ends of the first circuit breaker and the second circuit breaker through screws, the top end of the U-shaped support plate penetrates through and extends into the installation groove, an installation hole which is matched with the installation rod in size position is formed in one end of the top of the U-shaped support plate, a T-shaped pressing plate is fixedly installed at the center of one side of the top of the installation plate through bolts, and the T-shaped pressing plate moves into the pressing groove formed in the top of the installation frame.
As a preferable technical scheme of the invention, the two ends of the interlocking seat are provided with limiting grooves, the limiting plates are movably penetrated in the limiting grooves, the bottom of one side of the control switch on the first circuit breaker and the bottom of one side of the control switch are provided with control grooves which are matched with the arc-shaped limiting rods in size, and the arc-shaped limiting rods are movably in the control grooves.
The first circuit breaker with the inside one side of second circuit breaker is through screw fixed mounting has the connecting rod, the top of connecting rod is passed through the bearing is connected with respectively first half gear and second half gear.
Compared with the prior art, the invention has the following beneficial effects:
1. The fan-shaped gears at two ends of the rotating plate are driven to perform opposite movement through the bearings on the fixing frame, the first half gear and the second half gear at two ends are driven to perform opposite rotation by the fan-shaped gears moving in the opposite direction, and then the control switch is opened and closed, so that an interlocking effect is achieved, the gears are meshed to move, and the structure is stable and firm.
2. The fixed rod on the rotary gear penetrates through the arc interlocking groove and the arc movable groove to enter into the fixed holes of the first half gear and the second half gear, so that the state interlocking effect of the first circuit breaker and the second circuit breaker is realized, the installation is convenient and stable, the gear engagement transmission is stable and firm, dislocation or looseness cannot be generated, and the structure is stable.
3. Realize supporting effect in the arc wall under to control switch through the arc gag lever post on first circuit breaker and the second circuit breaker for control switch all realizes stabilizing and supporting effect under getting into different states, can not produce disconnection or be closed the false mark, makes the functional stability of circuit breaker strong.
4. Through one in one out in the spacing base at both ends of arc gag lever post, reach and make a round trip stable switching effect to the circuit breaker of interlocking, arc gag lever post and sector gear linkage simultaneously, simple structure is stable, and interlocking seat inner structure links up stably.
5. The rotary bevel gear on the rotary column is driven to move through the control switch, the rotary bevel gear is meshed with the first half gear and the second half gear to move, the first half gear and the second half gear perform reverse transmission movement through the fixed rod, the rotary gear, the first rack plate, the second rack plate and the sector gear, and the interlocking seat integrally adopts gear linkage, so that the interlocking effect is good, and the back-and-forth switching is stable.
6. Utilize the structure symmetry equipment in the interlocking seat, realized the intercommunication between first circuit breaker and the second circuit breaker, and two-way intercommunication is effectual, is inserting through the convenience of mounting bracket and U type backup pad, has improved the efficiency of equipment and dismantlement between circuit breaker and the interlocking seat, simple operation, and the practicality is strong.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of an interlocking seat according to the present invention;
fig. 3 is a schematic diagram of the first circuit breaker of fig. 1 according to the present invention;
fig. 4 is a schematic diagram of a second circuit breaker of fig. 1 according to the present invention;
FIG. 5 is a schematic view of the internal structure of the interlocking seat of FIG. 2 according to the present invention;
FIG. 6 is a schematic view of the connection of the rotary gear of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the rotary column connection of FIG. 2 according to the present invention;
FIG. 8 is a schematic view of a first half of the gear connection of FIG. 7 according to the present invention;
FIG. 9 is a schematic illustration of a second half-gear connection of FIG. 7 in accordance with the present invention;
FIG. 10 is a schematic view of an external connection structure of the limiting base in FIG. 8 according to the present invention;
FIG. 11 is a schematic view of the internal structure of the fixing and limiting base in FIG. 10 according to the present invention;
FIG. 12 is a schematic view of the mounting bracket of FIG. 2 according to the present invention;
FIG. 13 is a schematic view of the internal structure of the mounting bracket of FIG. 12 in accordance with the present invention;
Fig. 14 is a schematic enlarged view of the structure a in fig. 3 according to the present invention.
Wherein: 10. a first circuit breaker; 11. a second circuit breaker; 12. a control switch; 13. an arc-shaped movable groove; 14. a control groove; 15. a connecting rod; 16. an arc-shaped groove; 20. an interlocking seat; 21. arc interlocking grooves; 22. a limit base; 23. a first rack plate; 24. a second rack plate; 25. a fixed shaft; 26. a rotary gear; 27. a fixed rod; 30. a spin column; 31. rotating the bevel gear; 32. a first half gear; 33. a second half gear; 34. a fixing hole; 40. a fixing frame; 41. a rotating plate; 42. a sector plate; 43. a sector gear; 50. a limiting plate; 51. an arc-shaped limit rod; 52. a first chute; 53. a limiting block; 54. a first slide plate; 55. a second chute; 56. a second slide plate; 57. limiting holes; 58. a limit groove; 60. a mounting frame; 61. a mounting cavity; 62. a mounting plate; 63. a mounting groove; 64. a telescopic spring; 65. a mounting rod; 66. a U-shaped supporting plate; 67. a mounting hole; 68. a T-shaped pressing plate; 69. pressing a groove; 90. and (3) a bearing.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present invention are obtained will become readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
As shown in fig. 1, 2, 5, 6, 7, 8 and 9, the circuit breaker comprises a first circuit breaker 10, a second circuit breaker 11 and an interlocking seat 20 arranged between the first circuit breaker 10 and the second circuit breaker 11, a control switch 12 is arranged at the bottom of one side of the first circuit breaker 10 and the bottom of one side of the second circuit breaker 11, the control switch 12 is rotationally connected to the first circuit breaker 10 and the second circuit breaker 11 through a rotary column 30, a plurality of rotary bevel gears 31 are fixedly arranged on the periphery of one side of the rotary column 30 through bolts, a first half gear 32 is connected to the first circuit breaker 10 on the periphery of the rotary bevel gears 31 in a meshing manner, a second half gear 33 is connected to the second circuit breaker 11 on the periphery of the rotary bevel gears 31 in a meshing manner, arc-shaped interlocking grooves 21 are formed in two sides of the interlocking seat 20, and an interlocking assembly for interlocking the first circuit breaker 10 and the second circuit breaker 11 is arranged between the arc-shaped interlocking grooves 21, and the assembly comprises:
The two ends of the interlocking seat 20 are fixedly arranged on the limiting base 22 through bolts, the centers of one side of the top of the limiting base 22 are movably connected with the first rack plate 23, the bottom of the first rack plate 23 is fixedly provided with the second rack plate 24 on one side of the limiting base 22 through bolts, the second rack plate 24 is movably arranged on one side of the limiting base 22, the first rack plate 23 and the second rack plate 24 are movably limited through the limiting base 22, the two sides of the inner part of the interlocking seat 20 are fixedly provided with the fixed shafts 25 through bolts, the tops of the fixed shafts 25 are connected with the rotary gears 26 through bearings 90 in a meshed manner with the first rack plate 23, and the effect of transmission meshing is realized through the rotary gears 26;
The fixing frame 40 is fixedly arranged at the center of the interior of the interlocking seat 20 through bolts, the top of the fixing frame 40 is connected with the rotating plate 41 through a bearing 90, the two ends of the rotating plate 41 are fixedly provided with the sector plates 42 through bolts, the top ends of the sector plates 42 are fixedly provided with the sector gears 43 through bolts, the sector gears 43 are meshed with the second rack plates 24, symmetrical movement is achieved through the sector gears 43, and the interlocking effect is achieved;
The fixed rod 27 is fixedly arranged at the top of one side of the rotary gear 26 through bolts, the fixed holes 34 which are matched with the fixed rod 27 in size are formed in one side of the top of the first half gear 32 and one side of the top of the second half gear 33, the top ends of the fixed rods 27 extend into the fixed holes 34 in a penetrating manner, and the fixed rods are connected in a penetrating manner, so that the supporting effect is good;
The top one end activity of spacing base 22 is connected with limiting plate 50 throughout, and the top of limiting plate 50 runs through and extends to outside one side of interlock seat 20, and limiting plate 50's top one side center department is through bolt fixed mounting has arc gag lever post 51, and arc gag lever post 51 all moves inboard at control switch 12, and the both ends center department of interlock seat 20 is provided with mounting bracket 60, is provided with the installation component in the mounting bracket 60, installs fast convenient between with circuit breaker and the interlock seat 20.
Referring to fig. 3, fig. 4, fig. 9 and fig. 14, an arc-shaped movable slot 13 which is matched with the arc-shaped interlocking slot 21 in size and position is formed on one side of the fixed hole 34 on the first circuit breaker 10 and the second circuit breaker 11, the top ends of the fixed rods 27 penetrate through the arc-shaped movable slot 13 and extend into the fixed hole 34, and the fixed rods penetrate through the arc-shaped movable slot 13 to be connected, so that the structure is simple and stable, the rotary gears 26 symmetrically move at two sides of the inner part of the interlocking seat 20, the inner side of the control switch 12 is provided with the arc-shaped slot 16, and the arc-shaped limiting rods 51 are movably abutted against the control switch 12 through the arc-shaped slot 16, so that the supporting effect on different states of the control switch 12 is achieved, and the stability of the states is improved.
Referring to fig. 8,9, 10 and 11, a first chute 52 is formed at the center of one side of the top of the limit base 22, a limit block 53 is movably connected in the limit base 22, a first slide plate 54 moving in the first chute 52 is fixedly mounted at the center of one side of the top of the limit block 53 through bolts, the top end of the first slide plate 54 is fixedly mounted at the center of the bottom of the first rack plate 23 through bolts, a second chute 55 is formed at the center of one side of the limit base 22, a second slide plate 56 moving in the second chute 55 is fixedly mounted at the center of one side of the limit block 53 through bolts, a limit hole 57 which is identical to the limit plate 50 in size is formed at the center of one end of the limit base 22, and the limit plate 50 movably penetrates through the limit hole 57 to realize stable back and forth movement between the first rack plate 23 and the second rack plate 24.
Referring to fig. 2, 12 and 13, the installation component includes an installation cavity 61 formed at two ends of the inside of the installation frame 60 and an installation plate 62 movably formed at two ends of the installation cavity 61, an installation groove 63 is formed at two ends of the installation frame 60, the installation cavity 61 is formed at the center of the installation groove 63 on the installation frame 60, an installation plate 62 is movably connected at two ends of the installation groove 63 in the installation frame 60, a telescopic spring 64 is fixedly installed between one sides of the installation plate 62 through bolts, an installation rod 65 is fixedly installed at the center of two ends of the other side of the installation plate 62 through bolts, and the top end of the installation rod 65 extends into the installation groove 63 in a penetrating manner, so that convenient installation between the circuit breaker and the interlocking seat 20 is realized.
The centers of the two ends of the first breaker 10 and the second breaker 11 are fixedly provided with U-shaped supporting plates 66 which are matched with the mounting groove 63 in size through screws, the top ends of the U-shaped supporting plates 66 penetrate through and extend into the mounting groove 63, one end of the top of each U-shaped supporting plate 66 is provided with a mounting hole 67 which is matched with the mounting rod 65 in size, the center of one side of the top of each mounting plate 62 is fixedly provided with a T-shaped pressing plate 68 through bolts, the T-shaped pressing plates 68 are movably arranged in pressing grooves 69 formed in the top of the mounting frame 60, the T-shaped pressing plates 68 are used for extruding the telescopic springs 64 to detach the U-shaped supporting plates 66, and the operation is simple.
Referring to fig. 5, 6 and 9, limiting grooves 58 are formed at two ends of the interlocking seat 20, the limiting plates 50 are movably penetrated in the limiting grooves 58, control grooves 14 which are matched with the arc limiting rods 51 in size are formed at the bottoms of one sides of the control switches 12 on the first circuit breaker 10 and the second circuit breaker 11, and the arc limiting rods 51 are movably arranged in the control grooves 14 to achieve a limiting supporting effect.
The connecting rod 15 is fixedly installed on one side of the inside of the first breaker 10 and the second breaker 11 through screws, the top end of the connecting rod 15 is respectively connected with the first half gear 32 and the second half gear 33 through the bearing 90, and stable rotation movement of the first half gear 32 and the second half gear 33 is achieved.
Working principle: the control switch 12 of the first circuit breaker 10 is shifted to an off state, the control switch 12 of the second circuit breaker 11 is shifted to an on state, the fixed rods 27 at the two ends of the interlocking seat 20 penetrate through the arc-shaped interlocking grooves 21 through the arc-shaped movable grooves 13, the top ends of the fixed rods 27 penetrate through the fixed holes 34 on the first half gear 32 and the second half gear 33, the U-shaped supporting plates 66 at the two ends of the first circuit breaker 10 and the second circuit breaker 11 are inserted into the mounting grooves 63 of the mounting frames 60 at the two ends of the interlocking seat 20, the mounting rods 65 are driven to enter the mounting grooves 63 by the storage force of the telescopic springs 64 between the plates of the mounting plates 62, and the mounting rods 65 penetrate through the mounting holes 67 on the U-shaped supporting plates 66, so that stable mounting among the first circuit breaker 10, the interlocking seat 20 and the second circuit breaker 11 is realized;
When the state of the first circuit breaker 10 needs to be opened, the control switch 12 on the first circuit breaker 10 is shifted, the control switch 12 rotates to drive the rotary column 30 to perform stable rotation, the rotary bevel gear 31 on the rotary column 30 is meshed to drive the first half gear 32 on the connecting rod 15 to perform directional rotation, when the first half gear 32 rotates to move the first rack plate 23 on the limit base 22 at one end of the interlocking base 20 through the limit base 22, the first rack plate 23 on the limit base 22 at one side of the first circuit breaker 10 drives the limit plate 50 and the second rack plate 24 to move, the rotation of the second rack plate 24 realizes reverse movement of the first rack plate 23 on the limit base 22 at the other end through the sector plate 42, the sector gear 43, the rotary plate 41 and the bearing 90 on the fixing frame 40, at this time, the first rack plate 23, the second rack plate 24 and the limiting plate 50 on the limiting base 22 at one side of the second circuit breaker 11 move oppositely, the first rack plate 23 drives the second half gear 33 to rotate at this time, the second half gear 33 is meshed to drive the rotary bevel gear 31 on the second circuit breaker 11 to rotate, so that the rotary column 30 drives the control switch 12 on the second circuit breaker 11 to turn off, and the state of the first circuit breaker 10 is preserved oppositely, and similarly, when the first circuit breaker 10 is turned off, the rotary plate 41 and the sector gear 43 drive the second circuit breaker 11 to turn on in the same way and in the opposite direction;
In addition, when the first circuit breaker 10 is opened, the limiting plate 50 drives the arc limiting rod 51 on the first circuit breaker 10 to separate from the arc groove 16 in the control switch 12, at this time, the arc limiting rod 51 enters into the control groove 14, so that the control switch 12 of the first circuit breaker 10 is opened, meanwhile, the limiting plate 50 on the second circuit breaker 11 drives the arc limiting rod 51 to move in the direction, at this time, the arc limiting rod 51 is ejected from the control groove 14, the arc limiting groove continuously enters into the arc groove 16 in the control switch 12 on the second circuit breaker 11, and the support of the control switch 12 on the second circuit breaker 11 is realized, so that the back and forth interlocking structure is stable.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. Mechanical interlocking device for circuit breaker, including first circuit breaker (10), second circuit breaker (11) and setting are in interlock seat (20) in the middle of first circuit breaker (10) with second circuit breaker (11), its characterized in that, first circuit breaker (10) with one side bottom department of second circuit breaker (11) is provided with control switch (12), just control switch (12) all are in through column (30) swivelling joint first circuit breaker (10) with on second circuit breaker (11), one side periphery of column (30) all is in through bolt fixed mounting has a plurality of rotary bevel gear (31), be in on first circuit breaker (10) rotary bevel gear (31)'s periphery meshing is connected with first half gear (32), be in on second circuit breaker (11) rotary bevel gear (31)'s periphery meshing is connected with second half gear (33), both sides of seat (20) are opened interlock groove (21), on column (20) interlock groove (21) are carried out interlock assembly (11) interlock groove, first circuit breaker (21) are including interlock assembly (11) interlock groove, the interlock assembly is carried out between the first circuit breaker (11).
The device comprises a limiting base (22) fixedly mounted at two ends inside an interlocking base (20) through bolts, wherein a first rack plate (23) is movably connected to the center of one side of the top of the limiting base (22), a second rack plate (24) is fixedly mounted on one side of the limiting base (22) on the bottom of the first rack plate (23) through bolts, the second rack plate (24) is movably mounted on one side of the limiting base (22), a fixed shaft (25) is fixedly mounted on two sides inside the interlocking base (20) through bolts, and a rotary gear (26) is connected to the top of the fixed shaft (25) in a meshed mode with the first rack plate (23) through a bearing (90);
The fixing frame (40) is fixedly arranged at the inner center of the interlocking seat (20) through a bolt, the top of the fixing frame (40) is connected with the rotating plate (41) through the bearing (90), the two ends of the rotating plate (41) are fixedly provided with sector plates (42) through bolts, the top ends of the sector plates (42) are fixedly provided with sector gears (43) through bolts, and the sector gears (43) are in meshed connection with the second rack plates (24);
A fixed rod (27) is fixedly arranged at the top of one side of the rotary gear (26) through a bolt, a fixed hole (34) which is matched with the fixed rod (27) in size is formed in one side of the top of each of the first half gear (32) and the second half gear (33), and the top ends of the fixed rods (27) penetrate through and extend into the fixed holes (34);
The utility model discloses a motor vehicle control device, including interlocking seat (20), control switch (12), limiting base (22), limiting plate (50) are connected with in the top one end activity run-through of top, the top of limiting plate (50) runs through and extends to outside one side of interlocking seat (20), top one side center department of limiting plate (50) is through bolt fixed mounting has arc gag lever post (51), just arc gag lever post (51) all move about control switch (12) inboard, both ends center department of interlocking seat (20) is provided with mounting bracket (60), be provided with installation component in mounting bracket (60).
2. A mechanical interlocking device for circuit breakers according to claim 1, wherein the first circuit breaker (10) and the second circuit breaker (11) are provided with an arc-shaped movable slot (13) which is matched with the arc-shaped interlocking slot (21) in size and position on one side of the fixed hole (34), and the top ends of the fixed rods (27) extend into the fixed hole (34) through the arc-shaped movable slot (13).
3. The mechanical interlocking device for the circuit breaker according to claim 1, wherein a first chute (52) is formed in the center of one side of the top of the limit base (22), a limit block (53) is movably connected in the limit base (22), a first slide plate (54) which moves in the first chute (52) is fixedly mounted in the center of one side of the top of the limit block (53) through bolts, the top end of the first slide plate (54) is fixedly mounted in the center of the bottom of the first rack plate (23) through bolts, a second chute (55) is formed in the center of one side of the limit base (22), a second slide plate (56) which moves in the second chute (55) is fixedly mounted in the center of one side of the limit block (53), a limit hole (57) which is matched with the size of the limit plate (50) is formed in the center of one end of the limit base (22), and the limit plate (50) moves through the limit hole (57).
4. The mechanical interlocking device for the circuit breaker according to claim 1, wherein limiting grooves (58) are formed in two ends of the interlocking seat (20), the limiting plates (50) are movably penetrated into the limiting grooves (58), control grooves (14) which are matched with the arc limiting rods (51) in size are formed in one side bottom of the control switch (12) on the first circuit breaker (10) and the second circuit breaker (11), and the arc limiting rods (51) are movably arranged in the control grooves (14).
5. The mechanical interlocking device for the circuit breaker according to claim 1, wherein the mounting assembly comprises a mounting cavity (61) formed in two ends of the inside of the mounting frame (60) and a mounting plate (62) movably arranged at two ends of the mounting cavity (61), mounting grooves (63) are formed in two ends of the mounting frame (60), the mounting cavity (61) is formed in the center of the mounting grooves (63) in the mounting frame (60), the mounting plate (62) is movably connected to two ends of the mounting grooves (63) in the mounting frame (60), a telescopic spring (64) is fixedly arranged between one sides of the mounting plate (62), mounting rods (65) are fixedly arranged at the centers of two ends of the other side of the mounting plate (62) through bolts, and the top ends of the mounting rods (65) extend into the mounting grooves (63) in a penetrating mode.
6. The mechanical interlocking device for the circuit breaker according to claim 5, wherein the centers of the two ends of the first circuit breaker (10) and the second circuit breaker (11) are fixedly provided with U-shaped supporting plates (66) which are matched with the mounting grooves (63) in size through screws, the top ends of the U-shaped supporting plates (66) penetrate through and extend into the mounting grooves (63), one end of the top of each U-shaped supporting plate (66) is provided with a mounting hole (67) which is matched with the mounting rod (65) in size, the centers of one side of the top of each mounting plate (62) are fixedly provided with T-shaped pressing plates (68) through bolts, and the T-shaped pressing plates (68) are movably arranged in pressing grooves (69) formed in the top of the mounting frame (60).
7. A mechanical interlock for circuit breakers according to claim 1, characterized in that the first circuit breaker (10) and the second circuit breaker (11) are fixedly mounted on the inner side thereof by means of screws with a connecting rod (15), the top end of the connecting rod (15) being connected with the first half gear (32) and the second half gear (33) respectively by means of the bearing (90).
8. A mechanical interlock for circuit breakers according to claim 1, characterized in that said rotary gear (26) is movable symmetrically at both sides of the interior of said interlock seat (20), the inside of said control switch (12) being provided with an arc-shaped slot (16), and said arc-shaped limit lever (51) being movable against said control switch (12) through said arc-shaped slot (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410890354.1A CN118610046B (en) | 2024-07-04 | 2024-07-04 | A mechanical interlocking device for circuit breaker |
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| CN202410890354.1A CN118610046B (en) | 2024-07-04 | 2024-07-04 | A mechanical interlocking device for circuit breaker |
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| CN118610046B true CN118610046B (en) | 2024-11-12 |
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| CN108269707A (en) * | 2018-01-30 | 2018-07-10 | 南京华脉科技股份有限公司 | A kind of mechanical interlock and circuit breaker box |
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| CN201765974U (en) * | 2010-08-05 | 2011-03-16 | 施耐德万高（天津）电气设备有限公司 | Conversion device of automatic conversion switching apparatus |
| KR101105212B1 (en) * | 2011-07-19 | 2012-01-13 | 주식회사 대륙 | Switch lever switching device of wiring breaker |
| CN107221464A (en) * | 2016-03-21 | 2017-09-29 | 中兴通讯股份有限公司 | Interlock and release unit for breaker |
| CN206022261U (en) * | 2016-08-29 | 2017-03-15 | 苏州未来电器股份有限公司 | A kind of motor-operating mechanism of chopper |
| CN210403632U (en) * | 2019-09-11 | 2020-04-24 | 安心智能技术股份有限公司 | Electric control cabin of miniature circuit breaker |
| CN212062349U (en) * | 2020-06-28 | 2020-12-01 | 无锡伊之维电动科技有限公司 | Electric operating mechanism of circuit breaker |
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| CN115810518A (en) * | 2021-09-13 | 2023-03-17 | 浙江正泰电器股份有限公司 | Circuit breaker |
| CN218471796U (en) * | 2022-08-22 | 2023-02-10 | 安徽信息工程学院 | Intelligent interlocking device of electric circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108269707A (en) * | 2018-01-30 | 2018-07-10 | 南京华脉科技股份有限公司 | A kind of mechanical interlock and circuit breaker box |
| CN115621092A (en) * | 2022-05-30 | 2023-01-17 | 江苏凯元丰电气机械制造有限公司 | Electric operating mechanism of molded case circuit breaker |
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| CN118610046A (en) | 2024-09-06 |
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