Standardized high-voltage fuse
By introducing a positioning seat, a storage column, a spray ring and a ratchet pawl structure into the high-voltage fuse, the problem of arcing caused by misoperation during the closing operation of the high-voltage fuse is solved, reliable opening and closing control is achieved, and safety and reliability are improved.
Patent Information
- Application Number
- CN202511045329.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the closing operation of the high-voltage fuse, the gate rod was not removed from the hook, causing the closed circuit to open, resulting in an arc problem.
A standardized high-voltage fuse is designed. The position of the fuse tube is limited by the combination of a positioning seat, a storage column and a protruding column to prevent the accidental operation of the switch-on rod. A second piston cylinder and a spray ring are provided to provide lubricating fluid to lubricate the rotating parts to ensure smooth disconnection. A ratchet and pawl structure is used to control the movement sequence of the switch-on rod to prevent accidental operation.
It effectively prevents arcing caused by misoperation, ensures reliable breaking and closing operations of the fuse, and improves safety and reliability.
Smart Images
Figure CN120809555A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of power devices, in particular to a standardized high-voltage fuse. BACKGROUND
[0002] The high-voltage fuse is an electrical device for overload and short-circuit protection in the power system, and its core function is to cut off the fault current by melting the fuse. The high-voltage fuse is installed on the branch line of the 10kV distribution line, which can reduce the power outage range. Because it has a clear breaking point, it has the function of disconnecting switch, creating a safe working environment for the maintenance of the line and equipment. It is installed on the distribution transformer, which can be used as the main protection of the distribution transformer. When the high-voltage fuse is in the closing operation, the fuse rod is not taken off from the hook, and when the fuse rod is taken back, the closing is changed to opening due to slow pulling speed, and an arc is generated. SUMMARY
[0003] In view of the deficiencies of the prior art, the present application provides a standardized high-voltage fuse, which solves the problems raised in the background art.
[0004] To achieve the above purpose, the present application realizes the following technical scheme: a standardized high-voltage fuse, comprising an insulator, a top end of the insulator is provided with a top seat, a bottom end of the insulator is provided with a bottom seat, one end of the bottom seat is fixedly connected with two rotating seats, a rotating shaft is rotatably connected between the two rotating seats, the outer side of the rotating shaft is fixedly connected with a mounting seat, the mounting seat is internally provided with a fuse tube, the bottom of the top seat is fixedly connected with a clamping seat, the outer side of the fuse tube is clamped into the clamping seat, the outer side of the fuse tube is fixedly connected with a hook ring, the outer side of the fuse tube and above the hook ring are fixedly connected with a receiving column, the bottom of the receiving column inner cavity is fixedly connected with a first air bag, the top end of the first air bag is fixedly connected with an extension column, the top of the extension column extends above the receiving column, the bottom of the extension column inner cavity is fixedly connected with a fourth spring, the top end of the fourth spring is fixedly connected with a convex column, one side of the top seat is fixedly connected with a positioning seat, one side of the positioning seat inner cavity is fixedly connected with a round end column, the bottom of the round end column is provided with a slot, and the top end of the convex column is inserted into the slot.
[0005] Optionally, the left side of the convex column is provided with a slope matched with one end of the round end column, the top of the receiving column inner cavity and on both sides of the extension column are fixedly connected with a third spring, and the bottom end of the third spring is fixedly connected with the top of the bottom end of the extension column.
[0006] Optionally, the hook ring is internally provided with a driving hole, a right side plate is slidably connected inside the driving hole, a second rack is fixedly connected to one side of the right side plate, a second rack is fixedly connected to the top of the right side plate, a first rack is fixedly connected to the rear of the second rack, a winding roller is rotatably connected in the driving hole, a traction rope is wound outside the winding roller, a first drive gear matched with the second rack is connected to the outer side of one end of the winding roller through a one-way bearing, a first piston cylinder is fixedly connected to the right side of the winding roller in the driving hole, a threaded rod is rotatably connected to one side of the first piston cylinder, a third piston column is threadedly connected to the outer side of the threaded rod, one end of the third piston column extends into the first piston cylinder and is matched with the inside of the first piston cylinder, a second drive gear is fixedly sleeved on the outer side of one end of the threaded rod, the second drive gear is engaged with the first rack, a ratchet wheel is fixedly sleeved on the outer side of one end of the winding roller, a driving box is fixedly connected to one side of the driving hole above the ratchet wheel, a third air bag is fixedly connected to the top of the driving box, a moving column is fixedly connected to the bottom end of the third air bag, a sixth spring is movably sleeved on the outer side of the moving column, the top end of the sixth spring is fixedly connected with the top end of the moving column below, the bottom end of the sixth spring is fixedly connected with the bottom of the driving box inner cavity, the bottom end of the moving column extends below the driving box and is rotatably connected with a pawl through a rotating shaft, one end of the pawl is inserted between the plurality of ratchet teeth on the outer side of the ratchet wheel, the first piston cylinder and the third air bag are connected in communication through a pipeline.
[0007] Optionally, a first piston block is internally provided in the hook ring and located at one end of the traction rope, a driving cavity is internally provided in the hook ring and located at one side of the first piston block, a first piston column is slidably connected inside the driving cavity, one end of the traction rope extends into the driving cavity and is fixedly connected to one side of the first piston column, a second spring is installed inside the driving cavity and located outside the traction rope, one end of the second spring is fixedly connected with one end of the first piston column, the other end of the second spring is fixedly connected with one side of the driving cavity inner cavity, a first piston block is internally provided in the hook ring, a piston cavity matched with the first piston block inner cavity is installed in the first piston block inside one end of the first piston column, a third hose is fixedly connected inside the hook ring and located behind the first piston block, one end of the third hose extends into the first piston block, the other end of the third hose extends into the storage column through the hook ring, one end of the third hose extends into the first air bag and is in communication with the first air bag inside.
[0008] Optionally, the front of the right side plate is fixedly connected with a second piston cylinder, a second piston column is slidably connected in the second piston cylinder, one end of the second piston column extends to the outside of the second piston cylinder and is fixedly connected with a front side plate, a fifth through hole is movably arranged on the outside of one end of the second piston column, one end of the fifth through hole is fixedly connected with one side of the front side plate, the other end of the fifth through hole is fixedly connected with one side of the second piston cylinder, a first hose is fixedly connected with one side of the second piston cylinder, a right side plate is fixedly connected with one side of the second piston cylinder below the first hose, and one end of the first hose and one end of the right side plate both extend to the inside of the second piston cylinder and are both provided with a one-way valve.
[0009] Optionally, the bottom of the hook ring is fixedly connected with a lubricating liquid tank, one end of the right side plate extends to the inside of the lubricating liquid tank through the guide groove, the top of the lubricating liquid tank is fixedly connected with a supplement valve, one end of the first hose extends to the outside of the fuse tube through the right side plate and the hook ring, the outside of the fuse tube is fixedly connected with two spray rings, one end of the first hose extends to the inside of one spray ring, and the other spray ring is connected in communication with the inside of the other spray ring through a pipeline.
[0010] Optionally, a plurality of spray holes are formed in the inside of the spray ring, and the two spray rings are located outside the ends of the rotating shaft connected with the bearings.
[0011] Optionally, a first through hole is movably arranged in the inside of the guide groove and outside the first elastic tube, one end of the first through hole is fixedly connected with one side of the inner cavity of the guide groove, the bottom end of the right side plate extends to the inside of the guide groove, and the other end of the first through hole is fixedly connected with one side of the right side plate.
[0012] The application provides a standardized high-voltage fuse, which has the following beneficial effects: 1. The standardized high-voltage fuse, by being provided with a positioning seat, a receiving column and a convex column, can limit the position of the fuse tube when closing, prevent the situation that the fuse tube is pulled open to generate an arc when the one end of the pull lever is moved out of the driving hole, and only when the one end of the pull lever is moved out of the driving hole, the pull lever can be taken back and the limitation of the fuse tube is removed, which does not hinder the fusing function of the high-voltage fuse.
[0013] 2、The standardized high-voltage fuse, by setting the second piston cylinder, the second piston column and the spray ring, if the need for breaking, one end of the pull lever is inserted into the driving hole inside the left side of the hook ring, at this time one end of the pull lever pushes the front side plate to extrude the second piston column, so that the lubricating liquid in the second piston cylinder enters the inside of the spray ring through the first hose, through the spray hole inside the spray ring, sprays between the outside of the two ends of the rotating shaft and the bearing installed on the rotating seat, lubricates the rotation of the rotating seat, prevents the failure of lubrication, causes the fuse tube to be unable to rotate, and appears the situation that the break cannot be broken. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is whole structure schematic view of the present application; Figure 2 It is overhead structure schematic view of the present application; Figure 3 It is right view overhead structure schematic view of the present application; Figure 4 It is inside structure schematic view of the hook ring of the present application; Figure 5 It is the A place enlarged view of the present application; Figure 4 Figure 6 It is the B place enlarged view of the present application; Figure 1 Figure 7 It is inside structure schematic view of the hook ring side view part of the present application; Figure 8 It is the structure schematic view of the ratchet wheel and the pawl cooperation of the present application; Figure 9 It is the structure schematic view of the second rack and the first rack of the present application.
[0015] In the figure: 1, insulator; 2, top seat; 3, bottom seat; 4, first rack; 6, first elastic tube; 7, rotating seat; 8, rotating shaft; 9, mounting seat; 10, fuse tube; 11, first hose; 12, clamping seat; 13, front side plate; 14, hook ring; 15, pull lever; 16, drive hole; 17, right side plate; 18, guide groove; 19, first pass; 20, second rack; 21, first piston cylinder; 22, first drive gear; 23, winding roller; 24, threaded rod; 25, traction rope; 26, drive cavity; 27, second spring; 28, first piston column; 29, first piston block; 30, piston cavity; 31, third hose; 32, storage column; 33, first air bag; 34, third spring; 35, telescopic column; 36, fourth spring; 37, convex column; 38, positioning seat; 39, round end column; 40, insertion slot; 41, second piston cylinder; 42, fifth pass; 43, second piston column; 44, lubricating liquid tank; 45, spraying ring; 46, second drive gear; 47, third piston column; 48, drive box; 49, third air bag; 50, sixth spring; 51, moving column; 52, pawl; 53, ratchet wheel. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.
[0017] Embodiment one Please refer to Figures 1 to 9 The present application provides a technical solution: a standardized high-voltage fuse, comprising an insulator 1, a top seat 2 is installed at the top end of the insulator 1, a bottom seat 3 is installed at the bottom end of the insulator 1, two rotating seats 7 are fixedly connected at one end of the bottom seat 3, a rotating shaft 8 is rotatably connected between the two rotating seats 7, mounting seats 9 are fixedly connected to the outer side of the rotating shaft 8, fuse tubes 10 are installed inside the mounting seats 9, a clamping seat 12 is fixedly connected to the bottom of the top seat 2, the outer side of the fuse tube 10 is clamped into the inside of the clamping seat 12, a hook ring 14 is fixedly connected to the outer side of the fuse tube 10, a storage column 32 is fixedly connected to the outer side of the fuse tube 10 and above the hook ring 14, a first air bag 33 is fixedly connected to the bottom of the inner cavity of the storage column 32, a telescopic column 35 is fixedly connected to the top end of the first air bag 33, the top of the telescopic column 35 extends above the storage column 32, a fourth spring 36 is fixedly connected to the bottom of the inner cavity of the telescopic column 35, a convex column 37 is fixedly connected to the top end of the fourth spring 36, a positioning seat 38 is fixedly connected to one side of the top seat 2, a round end column 39 is fixedly connected to one side of the inner cavity of the positioning seat 38, an insertion slot 40 is formed at the bottom of the round end column 39, and the top end of the convex column 37 is inserted into the inside of the insertion slot 40.
[0018] The left side of the convex column 37 is provided with a slope matched with one end of the round-end column 39, the top of the inner cavity of the receiving column 32 and located on both sides of the telescopic column 35 are fixedly connected with the third springs 34, the bottom ends of the third springs 34 are fixedly connected with the top of the bottom end of the telescopic column 35, and the telescopic column 35 can be driven to move downward through the third springs 34.
[0019] The inside of the hook ring 14 is provided with a driving hole 16, the right side plate 17 is slidably connected in the driving hole 16, the second rack 20 is fixedly connected on one side of the right side plate 17, the second rack 20 is fixedly connected to the top of the right side plate 17, the first rack 4 is fixedly connected behind the second rack 20, the winding roller 23 is rotatably connected in the inner cavity of the driving hole 16, the traction rope 25 is wound outside the winding roller 23, the first driving gear 22 matched with the second rack 20 is connected with the outside of one end of the winding roller 23 through the one-way bearing, the first piston cylinder 21 is fixedly connected in the inner cavity of the driving hole 16 and located to the right of the winding roller 23, the threaded rod 24 is rotatably connected on one side of the first piston cylinder 21, the third piston column 47 is threadedly connected with the outside of the threaded rod 24, one end of the third piston column 47 extends into the inside of the first piston cylinder 21 and matches with the inside of the first piston cylinder 21, the second driving gear 46 is fixedly connected with the outside of one end of the threaded rod 24, the second driving gear 46 is engaged with the first rack 4, the ratchet wheel 53 is fixedly connected with the outside of one end of the winding roller 23, the driving box 48 is fixedly connected on one side in the inner cavity of the driving hole 16 and located above the ratchet wheel 53, the third air bag 49 is fixedly connected to the top of the inner cavity of the driving box 48, the moving column 51 is fixedly connected to the bottom end of the third air bag 49, the sixth spring 50 is movably sleeved with the outside of the moving column 51, the top end of the sixth spring 50 is fixedly connected with the bottom of the top end of the moving column 51, the bottom end of the sixth spring 50 is fixedly connected with the bottom of the inner cavity of the driving box 48, the bottom end of the moving column 51 extends below the driving box 48 and is rotatably connected with the pawl 52 through the rotating shaft, one end of the pawl 52 is inserted between the plurality of ratchet teeth outside the ratchet wheel 53, the first piston cylinder 21 and the third air bag 49 are connected and communicated through the pipeline, and after one end of the pull lever 15 moves out of the inside of the driving hole 16, the limiting of the fuse tube 10 is released.
[0020] The first piston block 29 is arranged in the hook ring 14 and at one end of the traction rope 25, the driving cavity 26 is arranged in the hook ring 14 and at one side of the first piston block 29, the first piston column 28 is slidably connected in the driving cavity 26, one end of the traction rope 25 extends to the inside of the driving cavity 26 and is fixedly connected with one side of the first piston column 28, the second spring 27 is arranged in the driving cavity 26 and at the outside of the traction rope 25, one end of the second spring 27 is fixedly connected with one end of the first piston column 28, the other end of the second spring 27 is fixedly connected with one side of the inner cavity of the driving cavity 26, the first piston block 29 is arranged in the hook ring 14, the first piston column 28 extends to the inside of the first piston block 29 and is arranged with the piston cavity 30 matched with the inner cavity of the first piston block 29, the third hose 31 is fixedly connected with the rear of the first piston block 29, one end of the third hose 31 extends to the inside of the first piston block 29, the other end of the third hose 31 extends to the inside of the accommodating column 32 through the hook ring 14, one end of the third hose 31 extends to the inside of the first air bag 33 and is communicated with the inside of the first air bag 33, the gas is inputted or extracted to the inside of the first air bag 33 through the third hose 31, and the expansion or contraction of the first air bag 33 is controlled.
[0021] Embodiment two Please refer to Figures 1 to 4 The second piston cylinder 41 is fixedly connected with the front of the right side plate 17, the second piston column 43 is slidably connected in the second piston cylinder 41, one end of the second piston column 43 extends to the outside of the second piston cylinder 41 and is fixedly connected with the front side plate 13, the fifth through hole 42 is movably arranged on the outside of one end of the second piston column 43, one end of the fifth through hole 42 is fixedly connected with one side of the front side plate 13, the other end of the fifth through hole 42 is fixedly connected with one side of the second piston cylinder 41, the first hose 11 is fixedly connected with one side of the second piston cylinder 41, the right side plate 17 is fixedly connected with one side of the second piston cylinder 41 and below the first hose 11, one end of the first hose 11 and one end of the right side plate 17 extend to the inside of the second piston cylinder 41 and are both arranged with the check valve, the flow direction of the lubricant is controlled through the check valve, and the lubricant adopts a high-heat-resistant molybdenum disulfide-based grease spray.
[0022] The lubricating liquid tank 44 is fixedly connected with the bottom of the hook ring 14, one end of the right side plate 17 extends to the inside of the lubricating liquid tank 44 through the guide groove 18, the supplement valve is fixedly connected with the top of the lubricating liquid tank 44, one end of the first hose 11 extends to the outside of the fuse tube 10 through the right side plate 17 and the hook ring 14, the two spray rings 45 are fixedly connected with the outside of the fuse tube 10, one end of the first hose 11 extends to the inside of one spray ring 45, one spray ring 45 is communicated with the inside of the other spray ring 45 through the pipeline, and the lubricant is inputted to the inside of the spray ring 45 through the first hose 11.
[0023] The inside of the spray ring 45 is provided with a plurality of spray holes, and the two spray rings 45 are located outside the end of the rotating shaft 8 and the bearing connecting end, and the rotating shaft 8 and the bearing connecting part is sprayed and lubricated.
[0024] The first through hole 19 is movably sleeved in the guide groove 18 and located outside the first elastic tube 6, one end of the first through hole 19 is fixedly connected with one side of the inner cavity of the guide groove 18, the bottom end of the right side plate 17 extends into the guide groove 18, and the other end of the first through hole 19 is fixedly connected with one side of the right side plate 17. The first through hole 19 can drive the right side plate 17 to move back.
[0025] When the standardized high-voltage fuse is used, if it is necessary to break the switch, one end of the switch pulling rod 15 is inserted into the driving hole 16 through the left side of the hook ring 14, at this time, one end of the switch pulling rod 15 pushes the front side plate 13 to extrude the second piston column 43, so that the lubricating liquid in the second piston cylinder 41 enters the inside of the spray ring 45 through the first hose 11, and is sprayed to the outside of the rotating shaft 8 and the bearing installed on the rotating seat 7 through the spray holes in the inside of the spray ring 45, so as to lubricate the rotation of the rotating seat 7, then the switch pulling rod 15 is pulled downward, so that one end of the switch pulling rod 15 pulls the bottom of the inner cavity of the driving hole 16 to move, so that the hook ring 14 drives the fuse tube 10, the mounting seat 9 and the rotating shaft 8 to rotate, so that the fuse breaks, then one end of the switch pulling rod 15 is moved out of the inside of the driving hole 16, at this time, the fifth through hole 42 pushes the front side plate 13 to drive the second piston column 43 to move back, so that the lubricating liquid in the lubricating liquid tank 44 is sucked into the inside of the second piston cylinder 41 through the right side plate 17, for next use. When the closing is needed, one end of the pull lever 15 is inserted into the right side plate 17 through the right side of the hook ring 14, at this time, one end of the pull lever 15 pushes the right side plate 17 to drive the second rack 20 to move to the inside of the driving hole 16, so that the first rack 4 drives the second drive gear 46 to drive the threaded rod 24 to rotate, so that the threaded rod 24 drives the third piston column 47 to move to the inside of the first piston cylinder 21, so that the gas in the first piston cylinder 21 enters the inside of the third air bag 49 through the pipeline, so that the third air bag 49 expands to push the moving column 51 and the pawl 52 to move down, so that one end of the pawl 52 is clamped between the teeth of the ratchet wheel 53, at this time, the second rack 20 is in contact with the first drive gear 22, and the first drive gear 22 is driven to rotate by the second rack 20, so that the first drive gear 22 can drive the winding roller 23 to rotate through the one-way bearing, so that the winding roller 23 winds the traction rope 25, at this time, the winding roller 23 can drive the ratchet wheel 53 to rotate, so that the ratchet wheel 53 drives the pawl 52 to deflect, so that the traction rope 25 drives the first piston column 28 to move, so that the first piston column 28 drives the piston cavity 30 to exhaust the gas in the first piston block 29 to the inside of the first air bag 33 through the third hose 31, so that the first air bag 33 pushes the telescopic column 35 and the convex column 37 to extend out, at this time, the hook ring 14 is driven by the pull lever 15 to drive the fuse tube 10 to rotate upwards, and the convex column 37 is clamped into the insertion slot 40 through the cooperation of the arc inclined surface at one end of the round end column 39 and one end of the convex column 37, if one end of the pull lever 15 is not moved out of the inside of the driving hole 16, the pull lever 15 and the hook ring 14 are pulled down at this time, the convex column 37 and the insertion slot 40 limit the position of the fuse tube 10, so that it cannot be pulled down, at this time, one end of the pull lever 15 is moved out of the inside of the driving hole 16, so that the first through hole 19 pushes the right side plate 17 to drive the second rack 20 and the first rack 4 to move, the second rack 20 cannot release the traction rope 25 through the winding roller 23 through the one-way bearing drive, at this time, the second spring 27 cannot push the first piston column 28 to reset and move, because the first piston column 28 cannot pull out the traction rope 25 from the outside of the winding roller 23, because when the traction rope 25 is pulled out from the outside of the winding roller 23, the winding roller 23 must rotate in the opposite direction, however, the pawl 52 limits the reverse rotation of the ratchet wheel 53 and the winding roller 23, so that the winding roller 23 cannot rotate, that is, the traction rope 25 cannot be released, only when the first rack 4 is in contact with the second drive gear 46, the first rack 4 drives the second drive gear 46 to drive the threaded rod 24 to reset and rotate, so that the threaded rod 24 drives the third piston column 47 to reset and move, so that the gas in the third air bag 49 is sucked into the inside of the first piston cylinder 21 through the pipeline, so that the third air bag 49 contracts, at this time, the sixth spring 50 pushes the moving column 51 to drive the pawl 52 to move up, so that the pawl 52 releases the limitation of the ratchet wheel 53, at this time, the second spring 27 pushes the first piston column 28 to move to the inside of the first piston block 29,When the first piston column 28 moves, the traction rope 25 is released from the outside of the winding roller 23, the winding roller 23 is reset to rotate, the gas in the first air bag 33 is sucked into the first piston block 29 through the third hose 31, the first air bag 33 is contracted, at this time, the third spring 34 pushes the telescopic column 35 and the convex column 37 to move downward, the convex column 37 moves out of the insertion slot 40, and the telescopic column 35 is retracted into the receiving column 32, so as to avoid affecting the subsequent brake release operation.
[0026] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A standardized high-voltage fuse, comprising an insulator (1), characterized in that: The top of the insulator (1) is provided with a top seat (2), the bottom of the insulator (1) is provided with a base (3), one end of the base (3) is fixedly connected with two rotating seats (7), a rotating shaft (8) is rotatably connected between the two rotating seats (7), the outer side of the rotating shaft (8) is fixedly connected with a mounting seat (9), the interior of each mounting seat (9) is provided with a fuse tube (10), the bottom of the top seat (2) is fixedly connected with a clamping seat (12), the outer side of the fuse tube (10) is clamped to the interior of the clamping seat (12), the outer side of the fuse tube (10) is fixedly connected with a hook ring (14), the outer side of the fuse tube (10) and located above the hook ring (14) is fixedly connected with a storage column ( 32), the bottom of the inner cavity of the storage column (32) is fixedly connected to a first airbag (33), the top of the first airbag (33) is fixedly connected to a telescopic column (35), and the top of the telescopic column (35) extends to the top of the storage column (32), the bottom of the inner cavity of the telescopic column (35) is fixedly connected to a fourth spring (36), the top of the fourth spring (36) is fixedly connected to a convex column (37), one side of the top seat (2) is fixedly connected to a positioning seat (38), one side of the inner cavity of the positioning seat (38) is fixedly connected to a round end column (39), the bottom of the round end column (39) is provided with a slot (40), and the top of the convex column (37) is inserted into the slot (40).
2. The standardized high-voltage fuse according to claim 1, characterized in that: The left side of the convex column (37) is provided with an inclined surface that matches one end of the round end column (39), and the top of the inner cavity of the storage column (32) and both sides of the telescopic column (35) are fixedly connected to the third spring (34), and the bottom end of the third spring (34) is fixedly connected to the top of the bottom end of the telescopic column (35).
3. The standardized high-voltage fuse according to claim 2, characterized in that: A driving hole (16) is provided inside the hook ring (14), a right side plate (17) is slidably connected inside the driving hole (16), a second rack (20) is fixedly connected to one side of the right side plate (17), a second rack (20) is fixedly connected to the top of the right side plate (17), a first rack (4) is fixedly connected to the rear of the second rack (20), a winding roller (23) is rotatably connected to the inner cavity of the driving hole (16), a traction rope (25) is wound around the outside of the winding roller (23), and the winding roller (23) is fixedly connected to the second rack (20). The outer side of one end is connected to a first driving gear (22) matched with the second rack (20) through a one-way bearing, the inner cavity of the driving hole (16) is fixedly connected to the first piston cylinder (21) on the right side of the winding roller (23), one side of the first piston cylinder (21) is rotatably connected to a threaded rod (24), the outer side of the threaded rod (24) is threadedly connected to a third piston column (47), one end of the third piston column (47) extends to the inside of the first piston cylinder (21) and matches with the inside of the first piston cylinder (21), the threaded rod (24) is rotatably connected to the first piston cylinder (21), and the threaded rod (24) is threadedly connected to the outer side of the third piston column (47). A second driving gear (46) is provided on the outer fixed sleeve at one end of the rod (24), and the second driving gear (46) is meshed with the first rack (4). A ratchet (53) is provided on the outer fixed sleeve at one end of the winding roller (23). A driving box (48) is fixedly connected to one side of the inner cavity of the driving hole (16) and above the ratchet (53). A third air bag (49) is fixedly connected to the top of the inner cavity of the driving box (48). A moving column (51) is fixedly connected to the bottom end of the third air bag (49). The outer end of the moving column (51) is fixedly connected to the outer end of the driving hole (16). The side movable sleeve is provided with a sixth spring (50), the top end of the sixth spring (50) is fixedly connected to the bottom of the top end of the movable column (51), the bottom end of the sixth spring (50) is fixedly connected to the bottom of the inner cavity of the drive box (48), the bottom end of the movable column (51) extends to the bottom of the drive box (48) and is connected to a pawl (52) through a rotating shaft, one end of the pawl (52) is inserted between several ratchet teeth on the outside of the ratchet wheel (53), and the first piston cylinder (21) and the third airbag (49) are connected through a pipeline.
4. The standardized high-voltage fuse according to claim 3, characterized in that: A first piston block (29) is provided inside the hook (14) and at one end of the traction rope (25), a driving chamber (26) is provided inside the hook (14) and at one side of the first piston block (29), a first piston column (28) is slidably connected inside the driving chamber (26), one end of the traction rope (25) extends into the driving chamber (26) and is fixedly connected to one side of the first piston column (28), a second spring (27) is installed inside the driving chamber (26) and at the outside of the traction rope (25), one end of the second spring (27) is fixedly connected to one end of the first piston column (28), and the other end of the second spring (27) is fixedly connected to the driving chamber (26). One side of the cavity is fixedly connected, a first piston block (29) is opened inside the hook ring (14), one end of the first piston column (28) extends to the inside of the first piston block (29) and is installed with a piston cavity (30) that matches the inner cavity of the first piston block (29), and a third hose (31) is fixedly connected inside the hook ring (14) and behind the first piston block (29), one end of the third hose (31) extends to the inside of the first piston block (29), the other end of the third hose (31) passes through the hook ring (14) and extends to the inside of the storage column (32), and one end of the third hose (31) extends to the inside of the first airbag (33) and is connected to the inside of the first airbag (33).
5. The standardized high-voltage fuse according to claim 4, characterized in that: A second piston cylinder (41) is fixedly connected to the front of the right side plate (17), and a second piston column (43) is slidably connected inside the second piston cylinder (41). One end of the second piston column (43) extends to the outside of the second piston cylinder (41) and is fixedly connected to the front side plate (13). A fifth through-hole (42) is movably sleeved on the outside of one end of the second piston column (43). One end of the fifth through-hole (42) is fixedly connected to one side of the front side plate (13), and the other end of the fifth through-hole (42) is fixedly connected to one side of the second piston cylinder (41). One side of the second piston cylinder (41) is fixedly connected to a first hose (11). One side of the second piston cylinder (41) and located below the first hose (11) is fixedly connected to the right side plate (17). One end of each of the first hose (11) and the right side plate (17) extends to the inside of the second piston cylinder (41) and is installed with a one-way valve.
6. The standardized high-voltage fuse according to claim 5, characterized in that: The bottom of the hook ring (14) is fixedly connected to a lubricating liquid tank (44), one end of the right side plate (17) passes through the guide groove (18) and extends to the inside of the lubricating liquid tank (44), and the top of the lubricating liquid tank (44) is fixedly connected to a replenishing valve. One end of the first hose (11) passes through the right side plate (17) and the hook ring (14) and extends to the outside of the fuse tube (10). Two spray rings (45) are fixedly connected to the outside of the fuse tube (10), and one end of the first hose (11) extends to the inside of one spray ring (45). One of the spray rings (45) is connected to the inside of the other spray ring (45) through a pipeline.
7. The standardized high-voltage fuse according to claim 6, characterized in that: A plurality of spray holes are provided on the inner side of the spray ring (45), and the two spray rings (45) are located on the outer sides of the ends of the rotating shaft (8) connected to the bearings.
8. The standardized high-voltage fuse according to claim 7, characterized in that: A first spring (19) is provided inside the guide groove (18) and is located on the outer side of the first elastic tube (6). One end of the first spring (19) is fixedly connected to one side of the inner cavity of the guide groove (18). The bottom end of the right side plate (17) extends into the guide groove (18), and the other end of the first spring (19) is fixedly connected to one side of the right side plate (17).