CN115083861A - Automatic replacement device of fuse for power distribution cabinet - Google Patents
Automatic replacement device of fuse for power distribution cabinet Download PDFInfo
- Publication number
- CN115083861A CN115083861A CN202210866134.6A CN202210866134A CN115083861A CN 115083861 A CN115083861 A CN 115083861A CN 202210866134 A CN202210866134 A CN 202210866134A CN 115083861 A CN115083861 A CN 115083861A
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- groups
- fuse
- seat
- copper
- sliding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/26—Magazine arrangements
- H01H85/28—Magazine arrangements effecting automatic replacement
Abstract
The invention relates to the technical field of power distribution cabinets, in particular to an automatic replacing device of a fuse used for a power distribution cabinet, which comprises a replacing device and a rotating device, wherein the replacing device is positioned in the rotating device and comprises a square table: further comprising: the clamping mechanism is connected with the square table and comprises two groups of limiting assemblies, the two groups of limiting assemblies are respectively positioned at two ends of the square table, each limiting assembly comprises a copper seat, and sliding columns are fixedly arranged at two ends of each copper seat.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an automatic replacing device of a fuse for a power distribution cabinet.
Background
The power distribution cabinet is a power distribution device used for distributing, controlling, metering and connecting cables in a power supply system, plays a role of a central pivot in the control of the power system, distributes power transmitted from the outside on one hand, and plays a role of controlling next-stage electric equipment on the other hand, the power utilization safety of the power distribution cabinet is very important, no matter high-voltage electric equipment or low-voltage equipment, a circuit breaking device in the power distribution cabinet is necessary and is generally divided into a circuit breaker and a fuse protector, the fuse protector is widely applied to power grid protection and electric equipment protection, when the power grid or the electric equipment has a short circuit fault or is overloaded, a circuit can be automatically cut off, the electric equipment is prevented from being damaged, and the accident is prevented from spreading;
however, the fuse has many defects, although the fuse is relatively safe to use, after the fuse is fused, a new fuse link needs to be replaced, once the fuse link needs to be restarted after emergency fusing, the fuse link needs to be purchased in a very troublesome way, the time for re-supplying power is delayed, and a series of consequences can be generated;
therefore, the invention is necessary to provide an automatic replacing device of the fuse for the power distribution cabinet.
Disclosure of Invention
Therefore, the invention provides an automatic replacement device of fuses for a power distribution cabinet, six groups of fuses and conductive copper sheets in a gear are rotated by driving the gear to rotate by 60 degrees, the fuses which are fused at the moment are separated from two groups of convex top platforms, and the next group of fuses and the convex top platforms are tightly combined again under the action of two groups of telescopic springs, so that the fuses are replaced, and the problem that the existing fuses need manual operation when in use and have certain potential safety hazards is solved.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an automatic change device of fuse for switch board, includes and changes device and rotating device, it is inside that more changes the device and is located rotating device, it includes the square platform to change the device: further comprising: the clamping mechanism is connected with the square table;
the clamping mechanism comprises two groups of limiting components which are respectively positioned at two ends of the square table, the limiting assembly comprises a copper seat, sliding columns are fixedly arranged at two ends of the copper seat, telescopic springs are wound on two groups of sliding columns, the tail ends of the two groups of telescopic springs are fixedly connected with the copper seat, the tail ends of the two groups of sliding columns are slidably connected with a pressing seat, the front ends of the two groups of telescopic springs are fixedly connected with the pressing seat, a sliding seat is arranged at the bottom of the pressing seat, the pressing seat is fixedly connected with the sliding seat, a convex top platform is fixedly arranged on the upper surface of the copper seat, the convex top platform is electrically connected with the copper seat, the side wall of the tail end of the convex top platform is fixedly provided with a magnet, two groups of square sliding strips are fixedly arranged at the bottom of the copper seat, fastening bolts are arranged on the side walls of the two groups of pressing seats, and the two groups of fastening bolts penetrate through the pressing seat and the sliding seat in a rotating mode;
be located the right-hand member copper seat middle part fixed mounting has the copper bar, is located the left end the square jack has been seted up at the copper seat middle part, the copper bar is closely sliding connection with square jack, is located the left end protruding type pushes up platform outer wall fixed mounting has the copper billet, the copper billet is connected with the protruding type of pushing up the platform electricity that is located the left end.
Preferably, fixture still includes the supporting component, the supporting component includes the base, the base is equipped with two sets ofly, and is two sets ofly base top fixed mounting has same base station, and is two sets ofly the base is located the base station both sides respectively, the base station upper surface is equipped with two sets of draw-in grooves, four groups square draw-in strip respectively with two sets of draw-in groove sliding connection, two sets ofly the draw-in groove both ends all are equipped with the dog, four groups the dog all with base station fixed connection, the equal fixed mounting of base station both sides wall has the draw-in strip, four groups the slide inside wall respectively with two sets of draw-in groove sliding connection, base station bottom fixed mounting has two sets of shock attenuation post, and is two sets of shock attenuation post lateral wall all twines damping spring, and is two sets of the damping spring top all with base station bottom fixed connection.
Preferably, the square platform is located two sets of bases middle part, square platform bottom lateral wall fixed mounting has the fixed block, the card hole has been seted up at the fixed block middle part, two sets of shock attenuation jacks have been seted up at square platform top, and is two sets of shock attenuation bottom of the column portion is the slidable setting about respectively in two sets of shock attenuation jacks.
Preferably, the square table bottom is equipped with two sets of fixed plates, and is two sets of the same fixing base of fixed plate middle part inside wall fixedly connected with, the fixing base is with calorie hole joint.
Preferably, rotating device includes the gear, hexagonal hole has been seted up at the gear middle part, hexagonal hole sets up with the gear is concentric, the equal fixed mounting in hexagonal hole inboard hexagonal department has spacing mount pad, hexagonal downthehole portion is equipped with six fuse groups, six groups the fuse middle part respectively with six sets of spacing mount pad inside wall joint, six groups the equal fixed mounting in fuse both ends has conductive copper sheet, conductive copper sheet is connected with the fuse electricity.
Preferably, the two groups of conductive copper sheets on the same fuse are respectively in movable contact with the two groups of convex top platforms.
The invention has the beneficial effects that:
1. when a power grid or electrical equipment has a short-circuit fault or is overloaded, the fuse is automatically fused, the output shaft of the servo motor drives the gear shaft to rotate, the gear shaft is meshed with the gear to drive the gear to rotate by an included angle of 60 degrees, at the moment, the convex top platforms on the two groups of limiting assemblies are separated from the two groups of conductive copper sheets on the fused fuse, at the moment, under the action of the contraction force of the expansion spring, the two groups of copper seats slide towards the middle part on the base station, so that the distance between the two groups of convex top platforms is reduced, when the gear rotates to a certain angle (at the moment, the gear does not rotate to 60 degrees), the conductive copper sheets at the two ends of the new fuse are contacted with the side walls of the two groups of convex top platforms, along with the increase of the rotation angle, the contact force between the conductive copper sheets at the two ends of the new fuse and the two groups of convex top platforms move towards two sides on the base station, and the expansion spring is stretched, when the novel fuse is rotated to an included angle of 60 degrees, the contact surface between the conductive copper sheets at the two ends of the novel fuse and the convex top platforms is the largest, the stretching force generated by the stretching spring is the largest, the conductive copper sheets at the two ends of the novel fuse are tightly contacted with the two groups of convex top platforms under the action of the stretching force of the stretching spring, and at the moment, the electric equipment in the power distribution cabinet can be restored to operate by electrifying the copper bars, so that the potential safety hazard generated by manual replacement is avoided, and the installation is tighter;
2. after two sets of limiting assemblies are installed on the base station, the position of the sliding seat is adjusted according to the length of the fuse, the fact that the telescopic spring is in a stretched state when a conductive copper sheet on the fuse is combined with the convex top station is guaranteed, and the tensile force is just the pressure required by the clamping fuse, and therefore the device can be suitable for fuses of different specifications.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus provided by the present invention;
FIG. 2 is a front view of the apparatus provided by the present invention;
FIG. 3 is a schematic structural diagram of a rotating device provided by the present invention;
FIG. 4 is a view showing an installation structure of a fuse according to the present invention;
FIG. 5 is an exploded view of a replacement device provided by the present invention;
FIG. 6 is a schematic structural view of a clamping mechanism provided in the present invention;
FIG. 7 is a schematic structural view of a support assembly provided in accordance with the present invention;
FIG. 8 is a view of the installation structure of two sets of position-limiting assemblies provided by the present invention;
FIG. 9 is a schematic structural view of a left side limiting assembly according to the present invention;
fig. 10 is a schematic structural view of a right side limiting assembly provided by the present invention.
In the figure: the replacing device 100, the clamping mechanism 110, the limiting component 120, the copper seat 121, the sliding column 122, the telescopic spring 123, the pressing seat 124, the sliding seat 125, the convex top platform 126, the magnet 127, the square sliding strip 128, the copper strip 129, the square insertion hole 130, the copper block 131, the fastening bolt 132, the supporting component 140, the base 141, the base 142, the clamping groove 143, the stop block 144, the sliding strip 145, the shock absorption column 146, the shock absorption spring 147, the square platform 150, the fixing block 151, the clamping hole 152, the shock absorption insertion hole 153, the fixing plate 160, the fixing seat 161, the rotating device 200, the gear 210, the hexagonal hole 220, the limiting installation seat 230, the fuse 240 and the conductive copper sheet 250.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1-5, the automatic replacing device for the fuse of the power distribution cabinet, provided by the invention, comprises a replacing device 100 and a rotating device 200, wherein the replacing device 100 is positioned inside the rotating device 200, and the replacing device 100 comprises a square table 150: further comprising: a clamping mechanism 110 connected to the square table 150;
the clamping mechanism 110 comprises two groups of limiting components 120, two groups of limiting components 120 are respectively positioned at two ends of a square table 150, each limiting component 120 comprises a copper seat 121, sliding columns 122 are fixedly arranged at two ends of the copper seat 121, telescopic springs 123 are wound on the two groups of sliding columns 122, the tail ends of the two groups of telescopic springs 123 are fixedly connected with the copper seat 121, the tail ends of the two groups of sliding columns 122 are respectively and slidably connected with a pressing seat 124, the front ends of the two groups of telescopic springs 123 are fixedly connected with the pressing seat 124, a sliding seat 125 is arranged at the bottom of the pressing seat 124, the pressing seat 124 is fixedly connected with the sliding seat 125, a convex top platform 126 is fixedly arranged on the upper surface of the copper seat 121, the convex top platform 126 is electrically connected with the copper seat 121, a magnet 127 is fixedly arranged on the side wall of the tail end of the convex top platform 126, two groups of square sliding strips 128 are fixedly arranged at the bottom of the copper seat 121, fastening bolts 132 are arranged on the side walls of the two groups of the pressing seats 124, and the two groups of fastening bolts 132 rotate to penetrate through the pressing seat 124 and the sliding seat 125, specifically, the magnet 127 can perform an alignment function on the conductive copper sheet 250 (magnetic sheets (not labeled in the figure) are arranged on two sides of the conductive copper sheet 250);
Further, the clamping mechanism 110 further includes a supporting component 140, the supporting component 140 includes a base 141, two sets of the base 141 are provided, the same base 142 is fixedly installed on the top of the two sets of the base 141, the base 141 supports the base 142, the two sets of the base 141 are respectively located on two sides of the base 142, two sets of the slots 143 are provided on the upper surface of the base 142, four sets of the square sliding bars 128 are respectively slidably connected with the two sets of the slots 143, two ends of the two sets of the slots 143 are respectively provided with a stopper 144, the four sets of the stoppers 144 are respectively fixedly connected with the base 142, the stoppers 144 can limit the copper seat 121 to prevent the copper seat 121 from falling off the base 142 when moving on the base 142, two side walls of the base 142 are respectively fixedly installed with the sliding bars 145, inner side walls of the four sets of the sliding seats 125 are respectively slidably connected with the two sets of the sliding bars 145, two sets of the shock absorbing columns 146 are fixedly installed on the bottom of the base 142, outer side walls of the two sets of the shock absorbing columns 146 are respectively wound with shock absorbing springs 147, top ends of the two sets of the shock absorbing springs 147 are respectively fixedly connected with the bottom of the base 142, specifically, after the two sets of limiting assemblies 120 are mounted on the base 142, the position of the sliding base 125 is adjusted according to the length of the fuse 240, so as to ensure that when the conductive copper sheet 250 on the fuse 240 is combined with the convex top platform 126, the extension spring 123 is in a stretched state, and the tensile force is just the pressure required for clamping the fuse 240, and particularly, by tightening the fastening bolt 132 on the pressing base 124, the fastening bolt 132 is in close contact with the side wall of the base 142, so that the pressing base 124 and the sliding base 125 can be fixed on the side wall of the base 142.
Further, square platform 150 is located two sets of bases 141 middle part, square platform 150 bottom lateral wall fixed mounting has fixed block 151, card hole 152 has been seted up at fixed block 151 middle part, two sets of shock attenuation jack 153 have been seted up at square platform 150 top, two sets of shock attenuation post 146 bottoms can slide the setting in two sets of shock attenuation jack 153 from top to bottom respectively, it is concrete, when changing fuse 240, fuse 240 after the fusing drops from two sets of protruding type top platforms 126, the whole weight on fixture 110 reduces, under damping spring 147's effect, fixture 110 wholly upward movement, along with gear 210's rotation, fixture 110 contacts with new fuse 240 gradually, fixture 110 wholly moves down under the effect of pressure, damping spring 147 can play shock attenuation and cushioning effect this moment.
Further, the bottom of the square platform 150 is provided with two sets of fixing plates 160, the fixing plates 160 are fixedly connected with the power distribution cabinet, so that the positioning effect is achieved, the replacement device 100 is guaranteed not to move, the two sets of fixing plates 160 are fixedly connected with the inner side wall of the middle of the fixing plates 161, and the fixing plates 161 are clamped with the clamping holes 152.
Further, the rotating device 200 includes a gear 210, a hexagonal hole 220 is formed in the middle of the gear 210, the hexagonal hole 220 and the gear 210 are concentrically arranged, so as to ensure that six groups of fuses 240 inside the hexagonal hole 220 are concentric with the gear 210, a limiting mounting seat 230 is fixedly mounted at six corners inside the hexagonal hole 220, six groups of fuses 240 are arranged inside the hexagonal hole 220, the middle of each of the six groups of fuses 240 is respectively clamped with inner side walls of the six groups of limiting mounting seats 230, conductive copper sheets 250 are fixedly mounted at two ends of each of the six groups of fuses 240, the conductive copper sheets 250 are electrically connected with the fuses 240, specifically, by starting a servo motor (not labeled in the figure), an output shaft of the servo motor drives a gear shaft (not labeled in the figure) to rotate, so that the gear shaft is meshed with the gear 210, the gear 210 rotates by an included angle of 60 degrees, so that the six groups of fuses 240 inside the gear 210 and the conductive copper sheets 250 rotate, the fuse 240 that is fused at this time is separated from the two sets of convex top lands 126, and the next set of fuse 240 is tightly combined with the convex top lands 126 again under the action of the two sets of extension springs 123, thereby completing the replacement of the fuse 240.
Further, two sets of conductive copper sheets 250 on the same fuse 240 are in movable contact with two sets of convex top lands 126, respectively.
The using process of the invention is as follows: when a short-circuit fault or overload occurs to a power grid or an electrical device, the fuse 240 is automatically fused, at this time, an output shaft of a servo motor (not labeled in the figure) drives a gear shaft (not labeled in the figure) to rotate, the gear shaft is meshed with the gear 210 to drive the gear 210 to rotate by an included angle of 60 degrees, at this time, the convex top platforms 126 on the two sets of limiting assemblies 120 are separated from the two sets of conductive copper sheets 250 on the fused fuse 240, at this time, under the action of the contraction force of the expansion spring 123, the two sets of copper seats 121 slide towards the middle on the base platform 142, so that the distance between the two sets of convex top platforms 126 is reduced, when the gear 210 rotates to a certain angle (at this time, the conductive copper sheets 250 at the two ends of the new fuse 240 are in contact with the side walls of the two sets of convex top platforms 126, and the contact force between the conductive copper sheets 250 at the two ends of the new fuse 240 and the two sets of convex top platforms 126 is increased along with the increase of the rotation angle, at this moment, two sets of copper seats 121 can move towards both sides on the base table 142, the extension spring 123 is extended, when rotating to 60 included angles, the conductive copper sheets 250 at both ends of the new fuse 240 just make the largest contact surface with the convex top table 126, the extension force generated by the extension spring 123 is the largest, under the action of the extension spring 123, the conductive copper sheets 250 at both ends of the new fuse 240 make close contact with the two sets of convex top tables 126, and at this moment, the electric equipment in the power distribution cabinet can recover to operate by electrifying the copper bars 129.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it to an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an automatic device of changing of fuse for switch board, is including changing device (100) and rotating device (200), it is inside rotating device (200) to change device (100), its characterized in that: the replacement device (100) comprises a square table (150): further comprising: a clamping mechanism (110) connected with the square table (150);
the clamping mechanism (110) comprises a limiting component (120), the limiting component (120) is provided with two groups, the two groups of limiting components (120) are respectively positioned at two ends of a square platform (150), the limiting component (120) comprises a copper seat (121), sliding columns (122) are fixedly installed at two ends of the copper seat (121), telescopic springs (123) are wound on the two groups of sliding columns (122), the tail ends of the two groups of telescopic springs (123) are fixedly connected with the copper seat (121), the tail ends of the two groups of sliding columns (122) are respectively and slidably connected with a pressing seat (124), the front ends of the two groups of telescopic springs (123) are fixedly connected with the pressing seat (124), a sliding seat (125) is arranged at the bottom of the pressing seat (124), the pressing seat (124) is fixedly connected with the sliding seat (125), a top platform (126) is fixedly installed on the upper surface of the copper seat (121), and the top platform (126) is electrically connected with a convex copper seat (121), a magnet (127) is fixedly installed on the side wall of the tail end of the convex top platform (126), two groups of square sliding strips (128) are fixedly installed at the bottom of the copper seat (121), fastening bolts (132) are arranged on the side walls of the two groups of pressing seats (124), and the two groups of fastening bolts (132) rotatably penetrate through the pressing seats (124) and the sliding seat (125);
be located the right-hand member copper seat (121) middle part fixed mounting has copper bar (129), is located the left end copper seat (121) middle part has seted up square jack (130), copper bar (129) and square jack (130) inseparable sliding connection are located the left end protruding type top platform (126) outer wall fixed mounting has copper billet (131), copper billet (131) are connected with protruding type top platform (126) electricity that is located the left end.
2. The automatic replacing device of the fuse used for the power distribution cabinet according to claim 1, characterized in that: the clamping mechanism (110) further comprises a supporting component (140), the supporting component (140) comprises a base (141), the base (141) is provided with two groups, the top of the base (141) is fixedly provided with a same base station (142), the two groups of bases (141) are respectively positioned on two sides of the base station (142), the upper surface of the base station (142) is provided with two groups of clamping grooves (143), the four groups of square sliding strips (128) are respectively in sliding connection with the two groups of clamping grooves (143), two groups of two ends of the clamping grooves (143) are respectively provided with a stop block (144), the four groups of stop blocks (144) are respectively in fixed connection with the base station (142), two side walls of the base station (142) are respectively and fixedly provided with sliding strips (145), the inner side walls of the four groups of sliding seats (125) are respectively in sliding connection with the two groups of sliding strips (145), the bottom of the base station (142) is fixedly provided with two groups of shock absorption columns (146), and the outer side walls of the two groups of shock absorption columns (146) are respectively provided with shock absorption springs (147), the top ends of the two groups of damping springs (147) are fixedly connected with the bottom of the base station (142).
3. The automatic replacing device of the fuse used for the power distribution cabinet according to claim 2, characterized in that: the square platform (150) is located two sets of bases (141) middle part, square platform (150) bottom lateral wall fixed mounting has fixed block (151), card hole (152) have been seted up at fixed block (151) middle part, two sets of shock attenuation jack (153), two sets of shock attenuation post (146) bottom is respectively slidable from top to bottom and is set up in two sets of shock attenuation jack (153).
4. The automatic replacing device of the fuse used for the power distribution cabinet according to claim 3, characterized in that: the square platform (150) bottom is equipped with two sets of fixed plates (160), and is two sets of the same fixing base (161) of fixed plate (160) middle part inside wall fixedly connected with, fixing base (161) and card hole (152) joint.
5. The automatic replacing device of the fuse used for the power distribution cabinet according to claim 1, characterized in that: rotating device (200) includes gear (210), hexagonal hole (220) have been seted up at gear (210) middle part, hexagonal hole (220) set up with gear (210) with one heart, the equal fixed mounting in hexagonal hole (220) inboard hexagonal department has spacing mount pad (230), hexagonal hole (220) inside is equipped with six fuse (240) of group, six groups fuse (240) middle part respectively with six limit mounting pad (230) inside wall joints, six groups the equal fixed mounting in fuse (240) both ends has electrically conductive copper sheet (250), electrically conductive copper sheet (250) is connected with fuse (240) electricity.
6. The automatic replacement device of the fuse for the power distribution cabinet according to claim 5, characterized in that: and two groups of conductive copper sheets (250) positioned on the same fuse (240) are respectively in movable contact with two groups of convex top platforms (126).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210866134.6A CN115083861A (en) | 2022-07-22 | 2022-07-22 | Automatic replacement device of fuse for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210866134.6A CN115083861A (en) | 2022-07-22 | 2022-07-22 | Automatic replacement device of fuse for power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115083861A true CN115083861A (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210866134.6A Pending CN115083861A (en) | 2022-07-22 | 2022-07-22 | Automatic replacement device of fuse for power distribution cabinet |
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| Country | Link |
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| CN (1) | CN115083861A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092896A (en) * | 2023-03-14 | 2023-05-09 | 国网黑龙江省电力有限公司红兴隆供电分公司 | Fuse and fusing repair method |
-
2022
- 2022-07-22 CN CN202210866134.6A patent/CN115083861A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092896A (en) * | 2023-03-14 | 2023-05-09 | 国网黑龙江省电力有限公司红兴隆供电分公司 | Fuse and fusing repair method |
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