CN117894648A - Semi-automatic three-phase synchronous drop-out fuse - Google Patents

Semi-automatic three-phase synchronous drop-out fuse Download PDF

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Publication number
CN117894648A
CN117894648A CN202410118047.1A CN202410118047A CN117894648A CN 117894648 A CN117894648 A CN 117894648A CN 202410118047 A CN202410118047 A CN 202410118047A CN 117894648 A CN117894648 A CN 117894648A
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CN
China
Prior art keywords
phase synchronous
out fuse
fixedly connected
synchronous drop
semi
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Pending
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CN202410118047.1A
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Chinese (zh)
Inventor
袁红民
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Wuhan Zhiyusheng New Energy Co ltd
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Wuhan Zhiyusheng New Energy Co ltd
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Priority to CN202410118047.1A priority Critical patent/CN117894648A/en
Publication of CN117894648A publication Critical patent/CN117894648A/en
Pending legal-status Critical Current

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Abstract

The utility model relates to the technical field of power distribution equipment, in particular to a semi-automatic three-phase synchronous drop-out fuse which comprises a protective box, wherein a semi-automatic three-phase synchronous drop-out fuse main body is arranged on the upper side of the inner cavity wall of the protective box, and a dehumidifying component is arranged in the protective box; the protection box is provided with the sealing component, so that the semi-automatic three-phase synchronous drop-out fuse main body can have a drying effect, the situation that the semi-automatic three-phase synchronous drop-out fuse main body is adversely affected due to moisture is avoided, and the service life of the semi-automatic three-phase synchronous drop-out fuse main body is prolonged; the wire harness clamping and positioning effects can be achieved, the situation that the wire harness is messy is avoided, the wire harness is convenient to arrange, and the wire harness clamping and positioning device is practical; the semi-automatic three-phase synchronous drop-out fuse body can play a role in dust prevention and heat dissipation, and simultaneously plays a role in rain prevention and infiltration to the inside of the semi-automatic three-phase synchronous drop-out fuse body when raining, so that the situation that the semi-automatic three-phase synchronous drop-out fuse body is soaked by rainwater is avoided.

Description

Semi-automatic three-phase synchronous drop-out fuse
Technical Field
The utility model relates to the technical field of power distribution and supply equipment, in particular to a semi-automatic three-phase synchronous drop-out fuse.
Background
The drop-out fuse is a short-circuit protection switch most commonly used for a 10kV distribution line branch line and a distribution transformer, has the characteristics of economy, convenience in operation, strong adaptability to outdoor environments and the like, and is widely applied to the primary side of the 10kV distribution line and the distribution transformer as protection and equipment switching operation.
For example, patent document CN 211700181U discloses a drop-out fuse. According to the utility model, the fuse body is fixedly connected to one end of the connecting frame through the connecting block, then the fuse body is arranged under the rain cover, the rain shielding and sun-proof cloth slides through the first sliding block and the second sliding block, the rain shielding and sun-proof cloth is arranged on the outer side of the fuse body, and then the side wall of the fuse body is covered by a circular ring of the rain shielding and sun-proof cloth, so that the fuse body can be well protected, the outdoor use performance of the drop-out fuse is ensured, the protection capability of the drop-out fuse is ensured, the drop-out fuse can be rapidly and comprehensively displayed when the drop-out fuse is required to be monitored and maintained, and the comprehensive protection performance of the drop-out fuse is improved.
However, the above patent documents have the following disadvantages in practical application:
when the fuse body is wet, a drying treatment effect cannot be achieved on the fuse body, so that the operation of the internal elements can be influenced by the humidity of the fuse body, and the service life of the fuse body is influenced over time.
Disclosure of Invention
The utility model aims to provide a semiautomatic three-phase synchronous drop-out fuse, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the semi-automatic three-phase synchronous drop-out fuse comprises a protective box, wherein a semi-automatic three-phase synchronous drop-out fuse main body is arranged on the upper side of the inner cavity wall of the protective box, and a dehumidifying component is arranged in the protective box;
the dehumidifying assembly comprises a gear ring, wherein the gear ring is connected with a sliding column in a sliding manner through grooves, the middle parts of the left side and the right side of the upper end face of an arc-shaped block are fixedly connected with sliding columns, the sliding columns are connected with an air outlet pipe in a sliding manner, the right end of the air outlet pipe is provided with a plurality of air outlets, the left side of the sliding column is sleeved with a spring, the upper end of the spring is fixedly connected with the air outlet pipe, the lower end of the spring is fixedly connected with the arc-shaped block, the left side of the upper end of the air outlet pipe is communicated with a hose, the lower end of the hose is communicated with a fan, and the right end of the fan is fixedly connected with a protection box;
a clamping assembly for arranging the wire bundles is arranged in the protective box;
and a sealing component is arranged on the protective box.
Preferably, the right end of the arc-shaped block is rotationally connected with a first gear and a second bevel gear through a pin shaft, the first gear is meshed with the gear ring, the upper end of the arc-shaped block is rotationally connected with a first bevel gear and an eccentric block through a pin shaft, the first bevel gear is meshed with the second bevel gear, and the lower side of the right end face of the air outlet pipe is fixedly connected with an extrusion block.
Preferably, the outer side of the gear ring is sleeved with and fixedly connected with an electric heating wire.
Preferably, the first motor of terminal surface right side rear end fixedly connected with under the protective housing inner chamber wall, first motor output is through round pin axle fixedly connected with second connecting rod, second connecting rod upper end is through round pin axle rotation connection first connecting rod, first connecting rod front end is through round pin axle rotation connection rack, rack sliding connection has the dead lever, dead lever front end fixedly connected with fixed block, fixed block lower extreme fixedly connected with protective housing, gear ring lower terminal surface middle part is through round pin axle rotation connection second gear and rotating arm, rotating arm left end fixedly connected with connecting rod, connecting rod upper end and arc piece fixed connection.
Preferably, the middle part of the upper side of the left end face of the inner cavity wall of the protective box is provided with a humidity sensor, the upper part of the left side of the rear end face of the inner cavity wall of the protective box is provided with a central controller, and the central controller is electrically connected with the humidity sensor.
Preferably, the clamping assembly comprises a fixed ring, the front end surface of the fixed ring is distributed along the radial direction and is fixedly connected with a limiting block, the inner side of the limiting block is slidably connected with a first rectangular block, the middle part of the front end surface of the first rectangular block is rotationally connected with a clamping rod through a pin shaft, one end, far away from the first rectangular block, of the clamping rod is rotationally connected with a rotating ring through the pin shaft, and the rotating ring is rotationally connected with the fixed ring.
Preferably, the middle part of the upper side of the front end surface of the rotating ring is rotationally connected with a threaded block through a pin shaft, the middle part of the threaded block is in threaded connection with a threaded rod, the right end of the threaded rod is rotationally connected with a rotating sleeve, and the middle part of the rear end of the rotating sleeve is rotationally connected with a fixed ring through the pin shaft.
Preferably, a raindrop sensor is arranged at the rear end of the left side of the upper end face of the protective box, and the raindrop sensor is electrically connected with the central controller.
Preferably, the rear parts of the upper ends of the left side and the right side of the protective box are provided with filter screens.
Preferably, the middle part fixedly connected with electric telescopic handle in terminal surface upside behind the protective housing inner chamber wall, electric telescopic handle piston end fixedly connected with second rectangle piece, the left and right sides of second rectangle piece up end all is connected with the third connecting rod through the round pin axle rotation, the one end that the third connecting rod kept away from the second rectangle piece is connected with sealed pad through the round pin axle rotation, sealed pad middle part is connected in the protective housing through the round pin axle rotation.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, when the humidity sensor detects that the humidity in the protective box reaches a certain value, the central controller controls the electric heating wire to be electrified and heated, the fan and the first motor are started, the electric heating wire heats the interior of the protective box, meanwhile, under the action of the fan, air is blown to the semi-automatic three-phase synchronous drop-out fuse main body through the air outlet of the air outlet pipe to dry the semi-automatic three-phase synchronous drop-out fuse main body, the first motor drives the second connecting rod to rotate, the rack slides back and forth on the fixed rod under the action of the first connecting rod, so that the second gear and the rotating arm can rotate, the arc-shaped block can slide back and forth, and the rotation of the arc-shaped block in the same direction does not exceed one hundred eighty degrees, so that the air can be uniformly blown to the semi-automatic three-phase synchronous drop-out fuse main body until the drying work is completed, the situation that the semi-automatic three-phase synchronous drop-out fuse main body is adversely affected by humidity is avoided, and the service life of the semi-automatic three-phase synchronous drop-out fuse main body is prolonged.
2. According to the utility model, the wire harness passes through the middle parts of the fixed ring and the rotating ring, then the personnel manually rotates the threaded rod to drive the threaded block to move, so that the rotating ring rotates, the pin shaft can be used for driving the clamping rods to move, the first rectangular block slides between the limiting blocks, the clamping rods are mutually close to each other along the radial direction at the same time, and the wire harness can be abutted and fixed, so that the wire harness can be clamped and positioned, the messy situation of the wire harness is avoided, the wire harness is convenient to arrange, and the wire harness clamping device is practical.
3. According to the utility model, the filter screen is utilized to conduct dust prevention and heat dissipation on the semi-automatic three-phase synchronous drop-out fuse main body, when the semi-automatic three-phase synchronous drop-out fuse main body rains, the raindrop sensor transmits information to the central controller, so that the electric telescopic rod starts to work, the second rectangular block is driven to move, the third connecting rod drives the sealing pad to rotate in different directions at the same time, the sealing pad is enabled to seal and shield the filter screen, water inflow is avoided, and meanwhile, a dust prevention and heat dissipation effect is achieved on the semi-automatic three-phase synchronous drop-out fuse main body, a rain prevention and infiltration effect is achieved on the inner part of the semi-automatic three-phase synchronous drop-out fuse main body rains, and the situation that rainwater wets the semi-automatic three-phase synchronous drop-out fuse main body is avoided.
The utility model realizes that the semi-automatic three-phase synchronous drop-out fuse body can have a drying effect, thereby avoiding the condition that the semi-automatic three-phase synchronous drop-out fuse body is adversely affected due to moisture and prolonging the service life thereof; the wire harness clamping and positioning effects can be achieved, the situation that the wire harness is messy is avoided, the wire harness is convenient to arrange, and the wire harness clamping and positioning device is practical; the semi-automatic three-phase synchronous drop-out fuse body can play a role in dust prevention and heat dissipation, and simultaneously plays a role in rain prevention and infiltration to the inside of the semi-automatic three-phase synchronous drop-out fuse body when raining, so that the situation that the semi-automatic three-phase synchronous drop-out fuse body is soaked by rainwater is avoided.
Drawings
FIG. 1 is a schematic diagram of a semi-sectional perspective structure of a protective box according to the present utility model;
FIG. 2 is an enlarged schematic view of the area A in FIG. 1 according to the present utility model;
FIG. 3 is an enlarged view of the area B of FIG. 1 according to the present utility model;
FIG. 4 is an enlarged view of the area C of FIG. 1 according to the present utility model;
FIG. 5 is a schematic view of a partial perspective structure of the present utility model;
FIG. 6 is a rear elevational schematic view of the present utility model;
FIG. 7 is an enlarged schematic view of the area D of FIG. 6 according to the present utility model;
fig. 8 is a schematic diagram of a complete three-dimensional structure of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a semiautomatic three-phase synchronous drop-out fuse body; 2. a raindrop sensor; 3. a humidity sensor; 4. a blower; 5. a hose; 6. an air outlet pipe; 7. a gear ring; 8. an electric heating wire; 9. a first gear; 10. an arc-shaped block; 11. a spool; 12. a spring; 13. an eccentric block; 14. extruding a block; 15. a protective box; 16. a first bevel gear; 17. a second bevel gear; 18. a fixing ring; 19. a rotating ring; 20. a limiting block; 21. a first rectangular block; 22. a clamping rod; 23. a sealing gasket; 24. a screw block; 25. a threaded rod; 26. a rotating sleeve; 27. an electric telescopic rod; 28. a first motor; 29. a first link; 30. a second link; 31. a fixed block; 32. a second gear; 33. a fixed rod; 34. a rotating arm; 35. a connecting rod; 36. a second rectangular block; 37. a third link; 38. a filter screen; 39. a rack; 40. and a central controller.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1-8, the present utility model provides a technical solution:
the utility model provides a semiautomatic three-phase synchronous drop-out fuse, includes protective housing 15, its characterized in that: the upper side of the inner cavity wall of the protective box 15 is provided with a semi-automatic three-phase synchronous drop-out fuse main body 1, and a dehumidifying component is arranged in the protective box 15;
the dehumidifying component comprises a gear ring 7, wherein the gear ring 7 is in sliding connection with a sliding column 11 through a groove, the middle parts of the left side and the right side of the upper end face of an arc-shaped block 10 are fixedly connected with a sliding column 11, the sliding column 11 is in sliding connection with an air outlet pipe 6, the right end of the air outlet pipe 6 is provided with a plurality of air outlets, the left sliding column 11 is sleeved with a spring 12, the upper end of the spring 12 is fixedly connected with the air outlet pipe 6, the lower end of the spring 12 is fixedly connected with the arc-shaped block 10, the left side of the upper end of the air outlet pipe 6 is communicated with a hose 5, the lower end of the hose 5 is communicated with a fan 4, and the right end of the fan 4 is fixedly connected with a protective box 15;
a clamping assembly for arranging the wire bundles is arranged in the protective box 15;
the protective housing 15 is provided with a sealing assembly.
In this embodiment, as shown in fig. 1, 2 and 5, the right end of the arc-shaped block 10 is rotationally connected with a first gear 9 and a second bevel gear 17 through a pin shaft, the first gear 9 is meshed with the gear ring 7, the upper end of the arc-shaped block 10 is rotationally connected with a first bevel gear 16 and an eccentric block 13 through a pin shaft, the first bevel gear 16 is meshed with the second bevel gear 17, and the lower side of the right end face of the air outlet pipe 6 is fixedly connected with an extrusion block 14;
the outer side of the gear ring 7 is sleeved and fixedly connected with an electric heating wire 8;
the right rear end of the lower end surface of the inner cavity wall of the protective box 15 is fixedly connected with a first motor 28, the output end of the first motor 28 is fixedly connected with a second connecting rod 30 through a pin shaft, the upper end of the second connecting rod 30 is rotationally connected with a first connecting rod 29 through a pin shaft, the front end of the first connecting rod 29 is rotationally connected with a rack 39 through a pin shaft, the rack 39 is slidingly connected with a fixed rod 33, the front end of the fixed rod 33 is fixedly connected with a fixed block 31, the lower end of the fixed block 31 is fixedly connected with the protective box 15, the middle part of the lower end surface of the gear ring 7 is rotationally connected with a second gear 32 and a rotating arm 34 through a pin shaft, the left end of the rotating arm 34 is fixedly connected with a connecting rod 35, and the upper end of the connecting rod 35 is fixedly connected with the arc-shaped block 10;
the middle part of the upper side of the left end surface of the inner cavity wall of the protective box 15 is provided with a humidity sensor 3, the upper part of the left side of the rear end surface of the inner cavity wall of the protective box 15 is provided with a central controller 40, and the central controller 40 is electrically connected with the humidity sensor 3;
when the humidity sensor 3 detects that the humidity inside the protective box 15 reaches a certain value, the central controller 40 controls the electric heating wire 8 to be electrified and heated, the fan 4 and the first motor 28 are started, the electric heating wire 8 heats the inside of the protective box 15, meanwhile, under the action of the fan 4, air is blown to the semi-automatic three-phase synchronous drop-out fuse main body 1 through the air outlet of the air outlet pipe 6 to dry the semi-automatic three-phase synchronous drop-out fuse main body 1, the first motor 28 drives the second connecting rod 30 to rotate, the rack 39 slides back and forth on the fixed rod 33 under the action of the first connecting rod 29, the second gear 32 and the rotating arm 34 can be made to rotate, the arc-shaped block 10 can slide back and forth, and the rotation of the arc-shaped block 10 in the same direction does not exceed one hundred eighty degrees, so that the air can be uniformly blown to the semi-automatic three-phase synchronous drop-out fuse main body 1 until the drying work is completed, and the situation that the semi-automatic three-phase synchronous drop-out fuse main body 1 is adversely affected by humidity is avoided, and the service life of the semi-automatic three-phase synchronous drop-out fuse main body 1 is prolonged is avoided.
In this embodiment, as shown in fig. 3, the clamping assembly includes a fixed ring 18, the front end surface of the fixed ring 18 is distributed along the radial direction and is fixedly connected with a limiting block 20, the inner side of the limiting block 20 is slidably connected with a first rectangular block 21, the middle part of the front end surface of the first rectangular block 21 is rotationally connected with a clamping rod 22 through a pin shaft, one end of the clamping rod 22 far away from the first rectangular block 21 is rotationally connected with a rotating ring 19 through a pin shaft, and the rotating ring 19 is rotationally connected with the fixed ring 18;
the middle part of the upper side of the front end surface of the rotating ring 19 is rotationally connected with a threaded block 24 through a pin shaft, the middle part of the threaded block 24 is in threaded connection with a threaded rod 25, the right end of the threaded rod 25 is rotationally connected with a rotating sleeve 26, and the middle part of the rear end of the rotating sleeve 26 is rotationally connected with the fixed ring 18 through a pin shaft;
when the wire harness is used, a wire harness passes through the middle parts of the fixed ring 18 and the rotating ring 19, then a person manually rotates the threaded rod 25 to drive the threaded block 24 to move, so that the rotating ring 19 rotates, the pin shaft can be used for driving the clamping rod 22 to move, and the first rectangular block 21 slides between the limiting blocks 20; make clamping lever 22 along radial each other be close to simultaneously, can support the fastening to the pencil to can play a centre gripping location effect to the pencil, and then avoided appearing the messy condition of pencil, be convenient for arrange in order, it is comparatively practical.
In this embodiment, as shown in fig. 1, 4 and 6, a raindrop sensor 2 is disposed at the rear end of the left side of the upper end surface of the protective box 15, and the raindrop sensor 2 is electrically connected to the central controller 40;
the rear parts of the upper ends of the left side and the right side of the protective box 15 are provided with a filter screen 38;
the middle part of the upper side of the rear end surface of the inner cavity wall of the protective box 15 is fixedly connected with an electric telescopic rod 27, the piston end of the electric telescopic rod 27 is fixedly connected with a second rectangular block 36, the left side and the right side of the upper end surface of the second rectangular block 36 are both rotationally connected with a third connecting rod 37 through a pin shaft, one end, far away from the second rectangular block 36, of the third connecting rod 37 is rotationally connected with a sealing pad 23 through a pin shaft, and the middle part of the sealing pad 23 is rotationally connected with the protective box 15 through a pin shaft; through utilizing filter screen 38 to carry out dustproof heat dissipation to semi-automatic three-phase synchronous drop-out fuse main part 1, when raining, raining sensor 2 gives central controller 40 with information transfer, can make electric telescopic handle 27 begin to work, drive second rectangular piece 36 and remove, make third connecting rod 37 drive sealed pad 23 simultaneously different direction rotation, make it seal and shelter from filter screen 38, avoid intaking, thereby when can playing a dustproof radiating effect to semi-automatic three-phase synchronous drop-out fuse main part 1, also when raining, play a rain-proof infiltration effect to its inside, avoided the condition that the semi-automatic three-phase synchronous drop-out fuse main part 1 was soaked to the rainwater.
The working principle of the utility model is as follows: when the wire harness is used, the wire harness passes through the middle parts of the fixed ring 18 and the rotating ring 19, then a person manually rotates the threaded rod 25 to drive the threaded block 24 to move, so that the rotating ring 19 rotates, namely the pin shaft can be used for driving the clamping rod 22 to move, and the first rectangular block 21 slides between the limiting blocks 20; the clamping rods 22 are mutually close in the radial direction at the same time, so that the wire harness can be abutted and fastened, the wire harness can be clamped and positioned, the messy wire harness is avoided, the wire harness is convenient to arrange, and the wire harness clamping device is practical; when the humidity sensor 3 detects that the humidity inside the protective box 15 reaches a certain value, the central controller 40 controls the electric heating wire 8 to be electrified and heated, the fan 4 and the first motor 28 are started, the electric heating wire 8 heats the inside of the protective box 15, meanwhile, under the action of the fan 4, air is blown to the semi-automatic three-phase synchronous drop-out fuse main body 1 through the air outlet of the air outlet pipe 6 to dry the semi-automatic three-phase synchronous drop-out fuse main body 1, the first motor 28 drives the second connecting rod 30 to rotate, and the rack 39 slides back and forth on the fixed rod 33 under the action of the first connecting rod 29, so that the second gear 32 and the rotating arm 34 can rotate, the arc-shaped block 10 can slide back and forth, and the rotation of the arc-shaped block 10 in the same direction does not exceed one hundred eighty degrees, so that the air can be uniformly blown to the semi-automatic three-phase synchronous drop-out fuse main body 1 until the drying work is completed, and adverse effects caused by the humidity to the semi-automatic three-phase synchronous drop-out fuse main body 1 are avoided, and the service life of the semi-automatic three-phase synchronous drop-out fuse main body 1 is prolonged; the filter screen 38 is utilized to conduct dust-proof heat dissipation on the semi-automatic three-phase synchronous drop-out fuse body 1, when raining, the raindrop sensor 2 transmits information to the central controller 40, the electric telescopic rod 27 can start to work, the second rectangular block 36 is driven to move, the third connecting rod 37 drives the sealing gasket 23 to rotate in different directions simultaneously, the filter screen 38 is sealed and shielded, water inflow is avoided, and therefore the semi-automatic three-phase synchronous drop-out fuse body 1 can achieve a dust-proof heat dissipation effect, and meanwhile a rain-proof infiltration effect is achieved inside the semi-automatic three-phase synchronous drop-out fuse body 1 when raining, and the situation that rainwater wets the semi-automatic three-phase synchronous drop-out fuse body 1 is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a semiautomatic three-phase synchronous drop-out fuse, includes protective housing (15), its characterized in that: the upper side of the inner cavity wall of the protective box (15) is provided with a semi-automatic three-phase synchronous drop-out fuse main body (1), and a dehumidifying component is arranged in the protective box (15);
the dehumidifying assembly comprises a gear ring (7), wherein the gear ring (7) is connected with arc blocks (10) through grooves in a sliding mode, sliding columns (11) are fixedly connected to the middle parts of the left side and the right side of the upper end face of each arc block, the sliding columns (11) are connected with air outlet pipes (6) in a sliding mode, a plurality of air outlets are formed in the right ends of the air outlet pipes (6), springs (12) are sleeved on the sliding columns (11) on the left side, the upper ends of the springs (12) are fixedly connected with the air outlet pipes (6), the lower ends of the springs (12) are fixedly connected with the arc blocks (10), a hose (5) is communicated with the left side of the upper ends of the air outlet pipes (6), a fan (4) is communicated with the lower ends of the hose (5), and the right ends of the fan (4) are fixedly connected with a protective box (15);
a clamping assembly for tidying the wire bundles is arranged in the protective box (15);
and a sealing component is arranged on the protective box (15).
2. The semiautomatic three-phase synchronous drop-out fuse of claim 1, wherein: the right end of the arc-shaped block (10) is rotationally connected with a first gear (9) and a second bevel gear (17) through a pin shaft, the first gear (9) is meshed with the gear ring (7) mutually, the upper end of the arc-shaped block (10) is rotationally connected with a first bevel gear (16) and an eccentric block (13) through the pin shaft, the first bevel gear (16) is meshed with the second bevel gear (17) mutually, and an extrusion block (14) is fixedly connected to the lower side of the right end face of the air outlet pipe (6).
3. The semiautomatic three-phase synchronous drop-out fuse of claim 1, wherein: and an electric heating wire (8) is sleeved and fixedly connected with the outer side of the gear ring (7).
4. The semiautomatic three-phase synchronous drop-out fuse of claim 1, wherein: the novel electric power generation device is characterized in that a first motor (28) is fixedly connected to the rear end of the right side of the lower end face of the inner cavity wall of the protection box (15), a second connecting rod (30) is fixedly connected to the output end of the first motor (28) through a pin shaft, a first connecting rod (29) is rotatably connected to the upper end of the second connecting rod (30) through a pin shaft, a rack (39) is rotatably connected to the front end of the first connecting rod (29) through a pin shaft, a fixing rod (33) is slidably connected to the rack (39), a fixing block (31) is fixedly connected to the front end of the fixing rod (33), the lower end of the fixing block (31) is fixedly connected to the protection box (15), a second gear (32) and a rotating arm (34) are rotatably connected to the middle of the lower end face of the gear ring gear (7) through a pin shaft, a connecting rod (35) is fixedly connected to the left end of the rotating arm (34), and the upper end of the connecting rod (35) is fixedly connected to the arc-shaped block (10).
5. The semiautomatic three-phase synchronous drop-out fuse of claim 1, wherein: the humidity sensor (3) is arranged in the middle of the upper side of the left end face of the inner cavity wall of the protection box (15), the central controller (40) is arranged on the upper portion of the left side of the rear end face of the inner cavity wall of the protection box (15), and the central controller (40) is electrically connected with the humidity sensor (3).
6. The semiautomatic three-phase synchronous drop-out fuse of claim 1, wherein: the clamping assembly comprises a fixed ring (18), limiting blocks (20) are distributed and fixedly connected to the front end face of the fixed ring (18) in the radial direction, first rectangular blocks (21) are connected to the inner sides of the limiting blocks (20) in a sliding mode, clamping rods (22) are connected to the middle portions of the front end faces of the first rectangular blocks (21) in a rotating mode through pin shafts, rotating rings (19) are connected to one ends, far away from the first rectangular blocks (21), of the clamping rods (22) in a rotating mode through pin shafts, and the rotating rings (19) are connected to the fixed ring (18) in a rotating mode.
7. The semiautomatic three-phase synchronous drop-out fuse of claim 6, wherein: the middle part of the upper side of the front end face of the rotating ring (19) is rotationally connected with a threaded block (24) through a pin shaft, the middle part of the threaded block (24) is in threaded connection with a threaded rod (25), the right end of the threaded rod (25) is rotationally connected with a rotating sleeve (26), and the middle part of the rear end of the rotating sleeve (26) is rotationally connected with a fixed ring (18) through the pin shaft.
8. The semiautomatic three-phase synchronous drop-out fuse of claim 1, wherein: the left rear end of the upper end face of the protective box (15) is provided with a raindrop sensor (2), and the raindrop sensor (2) is electrically connected with a central controller (40).
9. The semiautomatic three-phase synchronous drop-out fuse of claim 8, wherein: the rear parts of the upper ends of the left side and the right side of the protective box (15) are provided with filter screens (38).
10. The semiautomatic three-phase synchronous drop-out fuse of claim 9, wherein: the electric telescopic rod (27) is fixedly connected to the middle part of the upper side of the rear end face of the inner cavity wall of the protection box (15), the second rectangular block (36) is fixedly connected to the piston end of the electric telescopic rod (27), the third connecting rods (37) are connected to the left side and the right side of the upper end face of the second rectangular block (36) through pin shafts in a rotating mode, one ends, far away from the second rectangular block (36), of the third connecting rods (37) are connected with sealing gaskets (23) through pin shafts in a rotating mode, and the middle parts of the sealing gaskets (23) are connected to the protection box (15) through pin shafts in a rotating mode.
CN202410118047.1A 2024-01-29 2024-01-29 Semi-automatic three-phase synchronous drop-out fuse Pending CN117894648A (en)

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CN202410118047.1A CN117894648A (en) 2024-01-29 2024-01-29 Semi-automatic three-phase synchronous drop-out fuse

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Application Number Priority Date Filing Date Title
CN202410118047.1A CN117894648A (en) 2024-01-29 2024-01-29 Semi-automatic three-phase synchronous drop-out fuse

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CN114614351A (en) * 2022-03-31 2022-06-10 山东鲁控电力设备有限公司 Switch board with dust filters reason function

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* Cited by examiner, † Cited by third party
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US4109124A (en) * 1975-04-07 1978-08-22 Coq B.V. Circuit-breakers for high voltages
CN114614351A (en) * 2022-03-31 2022-06-10 山东鲁控电力设备有限公司 Switch board with dust filters reason function

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