Energy storage device for a large circuit breaker

Abstract

The application discloses an energy storage device for a large circuit breaker and belongs to the technical field of circuit breakers. The energy storage device comprises an energy storage box, a fixed guide rail is fixedly arranged in the energy storage box, a sliding block is slidably arranged on the fixed guide rail, limiting buffer blocks matched with the sliding block are arranged at the two ends of the fixed guide rail, two energy storage adjusting assemblies are fixedly arranged in the energy storage box, a closing energy storage spring and a tripping energy storage spring are fixedly arranged on the output portions of the energy storage adjusting assemblies, a sliding block locking assembly is arranged in the energy storage box and is used for preventing the sliding block from moving after closing and tripping, an energy transmission assembly is arranged in the energy storage box and has an input end matched with the sliding block, and an output end of the energy transmission assembly is matched with a vacuum interrupter on the energy storage box. Independent energy storage is realized through the closing energy storage spring and the tripping energy storage spring, and the closing energy storage spring and the tripping energy storage spring do not interfere with each other, then the energy storage adjusting assemblies are used in cooperation, and large vacuum interrupters can be effectively driven to realize on-off electricity. The structure in the application is simple, and the operation is simple.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit breaker, in particular to a kind of energy storage device for large circuit breaker. BACKGROUND

[0002] With the development of science and technology, the transmission voltage in transmission process is higher and higher, the long-distance transmission voltage reaches 1000kV today, this high-voltage transmission and distribution adopts large vacuum arc chamber to carry out on-off operation, and the vacuum arc chamber needs energy storage device to provide power, but the energy storage device in the prior art is small and complex in structure, and cannot meet the on-off operation of large vacuum arc chamber. SUMMARY

[0003] The present application aims to overcome the deficiencies of the prior art, and provide an energy storage device for large circuit breaker.

[0004] The purpose of the present application is achieved by the following technical solutions:

[0005] An energy storage device for large circuit breaker, comprising an energy storage box, a fixed guide rail, a sliding block, a closing energy storage spring, an opening energy storage spring, a limiting buffer block, an energy storage adjusting assembly, an energy transmission assembly and a sliding block locking assembly, the fixed guide rail is fixedly arranged in the energy storage box, the sliding block is slidingly arranged on the fixed guide rail, the limiting buffer block is arranged on both ends of the fixed guide rail and matched with the sliding block, two energy storage adjusting assemblies are fixedly arranged in the energy storage box, the closing energy storage spring and the opening energy storage spring are fixedly arranged on the output portions of the energy storage adjusting assemblies respectively, and the closing energy storage spring and the opening energy storage spring are arranged on both sides of the sliding block and matched with the sliding block, the sliding block locking assembly is arranged in the energy storage box and used for preventing the sliding block from moving after closing and opening, the energy transmission assembly is arranged in the energy storage box and matched with the sliding block at the input end, and the output end of the energy transmission assembly is matched with a vacuum arc chamber on the energy storage box.

[0006] Further, the energy storage adjusting assembly comprises an energy storage motor, a guide sleeve, a spring pressing sleeve, a rotating rod and an energy storage fixed plate, the guide sleeve is fixedly arranged in the energy storage box and arranged in parallel with the fixed guide rail, the spring pressing sleeve is slidingly arranged in the guide sleeve and does not rotate in the guide sleeve, one end of the spring pressing sleeve is fixedly connected with the closing energy storage spring or the opening energy storage spring, the other end of the spring pressing sleeve is provided with an internal thread, one end of the rotating rod is provided with an external thread matched with the internal thread, the other end of the rotating rod is rotatably arranged on the energy storage fixed plate, the energy storage fixed plate is fixedly arranged on the end portion of the guide sleeve, and the energy storage motor is fixedly arranged in the energy storage box and drivingly connected with the end portion of the rotating rod at the output end.

[0007] Further, the slider locking assembly comprises a slider locking seat, a magnetic plate, a locking spring, a locking rod and an electromagnetic component, the slider locking seat is fixedly arranged in the energy storage box and the lower surface of the sliding block is matched with the upper surface of the slider locking seat, a locking hole is arranged in the slider locking seat, the locking rod is slidingly arranged in the locking hole, the lower surface of the sliding block is provided with a closing hole and an opening hole matched with the locking rod, the closing hole and the opening hole are respectively arranged near the two ends of the sliding block, a spring groove is arranged on the upper part of the locking hole, the locking spring is sleeved on the locking rod and pushes the locking rod out to the side of the sliding block, one end of the locking spring is pushed on the spring groove, the other end of the locking spring is pushed on the locking rod, the magnetic plate is fixedly arranged on the end of the locking rod, a magnetic plate sliding groove matched with the magnetic plate is arranged in the slider locking seat, and the electromagnetic component matched with the magnetic plate is fixedly arranged on the lower end of the slider locking seat.

[0008] Further, the locking rod is fixedly provided with an extrusion rod, the extrusion rod is arranged perpendicular to the locking rod, the slider locking seat is provided with an extrusion limiting groove matched with the extrusion rod, the sliding block is fixedly provided with a first rack parallel to the fixed guide rail, a first gear meshed with the first rack is rotatably arranged in the energy storage box, a handle insertion hole is arranged on the first gear, the handle insertion hole is matched with a rotating handle, a supporting sleeve matched with the extrusion rod is rotatably arranged on the rotating handle, and a conical surface is arranged on the supporting sleeve.

[0009] Further, a maintenance door is arranged on one side of the energy storage box, a handle hole matched with the rotating handle is arranged on the maintenance door, an opening and closing type sealing structure is arranged on the handle hole and in the energy storage box, an outer door sealing ring is arranged on the maintenance door, and an inner door sealing ring matched with the outer door sealing ring is arranged on the energy storage box.

[0010] Further, the opening and closing type sealing structure comprises a wide-mouth ring, a spherical ring, a straight pipe ring, a sealing cover and a cover spring, the wide-mouth ring is sealingly and fixedly connected with the handle hole at the large diameter end, the wide-mouth ring is fixedly connected with one end of the spherical ring at the small diameter end, the other end of the spherical ring is sealingly and fixedly connected with one end of the straight pipe ring, the sealing cover is sealingly arranged on the other end of the straight pipe ring, and the cover spring is arranged on the straight pipe ring to press the sealing cover on the straight pipe ring.

[0011] Further, the energy transmission assembly comprises a second rack, a second gear, a main bevel gear, a secondary bevel gear, a transmission rod and an angle rotating plate, the second rack is fixedly arranged on the sliding block and arranged in parallel with the fixed guide rail, the second rack is engaged with the second gear, the second gear is coaxially fixedly connected with the main bevel gear through a rotating shaft, the main bevel gear is engaged with the secondary bevel gear, the secondary bevel gear is coaxially fixedly arranged on the transmission rod, the angle rotating plate connected with the vacuum interrupter in insulation is fixedly arranged on the transmission rod, and the transmission rod and the rotating shaft are both rotationally arranged in the energy storage box.

[0012] Further, a fixed cylinder is fixedly arranged on the inner wall of the energy storage box, the rotating shaft is rotationally arranged in the fixed cylinder and matched with the fixed cylinder, a stepped hole coaxially arranged with the rotating shaft is arranged on the upper end of the fixed cylinder, and an anti-falling disc is arranged in the stepped hole and coaxially fixedly arranged on the rotating shaft.

[0013] Further, the limiting buffer block is provided with an anti-collision elastic sheet matched with the sliding block.

[0014] Further, one end of the sliding block is provided with a closing positioning core matched with the closing energy storage spring, and the other end of the sliding block is provided with an opening positioning core matched with the opening energy storage spring.

[0015] The present application has the following advantages:

[0016] 1) In the present application, the closing energy storage spring and the opening energy storage spring are used to realize independent energy storage and do not interfere with each other, and then are used in cooperation with the energy storage adjusting assembly, so that the large vacuum interrupter can be effectively driven to realize on-off operation, and the present application has compact structure and simple operation.

[0017] 2) In the present application, the first rack and the first gear are arranged, so that the on-off operation of the vacuum interrupter can be controlled in a manual or electric manner, and the flexibility of the on-off operation of the vacuum interrupter is effectively ensured.

[0018] 3) In the present application, the opening and closing type sealing structure is arranged, so that rainwater and small reptiles can be effectively prevented from entering the energy storage box and causing damage, and the protection capability of the product is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the device;

[0020] Figure 2 It is a schematic view of the internal connection structure of the device;

[0021] Figure 3 It is Figure 2A-A cross section connection structure schematic diagram of the first gear and the rotating handle;

[0022] Figure 4 B-B cross section connection structure schematic diagram of the first gear and the rotating handle;

[0023] Figure 5 B-B cross section connection structure schematic diagram of the first gear and the rotating handle; Figure 4 A-A cross section connection structure schematic diagram of the first gear and the rotating handle;

[0024] Figure 6 A-A cross section connection structure schematic diagram of the first gear and the rotating handle;

[0025] Figure 7 A-A cross section connection structure schematic diagram of the first gear and the rotating handle;

[0026] Figure 8 A-A cross section connection structure schematic diagram of the first gear and the rotating handle;

[0027] Figure 9 A-A cross section connection structure schematic diagram of the first gear and the rotating handle; Figure 2 A-A cross section connection structure schematic diagram of the first gear and the rotating handle;

[0028] In the figure, 1-accumulating box, 2-fixed guide rail, 3-sliding block, 4-closing accumulating spring, 5-opening accumulating spring, 6-limiting buffer block, 7-vacuum arc-extinguishing chamber, 8-accumulating motor, 9-guide sleeve, 10-spring pressing sleeve, 11-rotating rod, 12-accumulating fixed plate, 13-sliding block lock seat, 14-magnetic attraction plate, 15-locking spring, 16-locking rod, 17-electromagnetic component, 18-closing hole, 19-opening hole, 20-spring groove, 21-magnetic plate sliding groove, 22-extruding rod, 23-extruding limiting groove, 24-first rack, 25-first gear, 26-handle insertion hole, 27-rotating handle, 28-supporting sleeve, 29-conical surface, 30-repair door, 31-handle hole, 32-outer door sealing ring, 33-inner door sealing ring, 34-wide-mouth ring, 35-spherical surface ring, 36-straight pipe ring, 37-sealing cover, 38-cover spring, 39-second rack, 40-second gear, 41-main bevel gear, 42-secondary bevel gear, 43-transmission rod, 44-angle rotating plate, 45-rotating shaft, 46-fixed cylinder, 47-anti-falling disc, 48-anti-collision spring piece, 49-closing positioning core, 50-opening positioning core, 51-insulating pulling rod, 52-gear frame. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0030] ReferenceFigures 1-9 The present application provides a technical solution:

[0031] An energy storage device for large circuit breaker, comprising an energy storage box 1, a fixed guide rail 2, a sliding block 3, a closing energy storage spring 4, an opening energy storage spring 5, a limiting buffer block 6, an energy storage adjusting assembly, an energy transmission assembly and a sliding block locking assembly, the fixed guide rail 2 is fixedly arranged in the energy storage box 1, the sliding block 3 is slidingly arranged on the fixed guide rail 2, the limiting buffer block 6 is arranged on both ends of the fixed guide rail 2 and matched with the sliding block 3, two energy storage adjusting assemblies are fixedly arranged in the energy storage box 1, the closing energy storage spring 4 and the opening energy storage spring 5 are fixedly arranged on the output parts of the energy storage adjusting assemblies respectively, and the closing energy storage spring 4 and the opening energy storage spring 5 are arranged on both sides of the sliding block 3 and matched with the sliding block 3, the sliding block locking assembly is arranged in the energy storage box 1 and used for preventing the sliding block 3 from moving after closing and opening, the energy transmission assembly is arranged in the energy storage box 1 and matched with the sliding block 3 at the input end, and the output end of the energy transmission assembly is matched with a vacuum arc-extinguishing chamber 7 on the energy storage box 1. The limiting buffer block 6 is provided with an anti-collision spring 48 matched with the sliding block 3. One end of the sliding block 3 is provided with a closing positioning core 49 matched with the closing energy storage spring 4, and the other end of the sliding block 3 is provided with an opening positioning core 50 matched with the opening energy storage spring 5. The energy storage box 1 is used for mounting the fixed guide rail 2, the vacuum arc-extinguishing chamber 7, the energy storage adjusting assembly, the energy transmission assembly and the sliding block locking assembly, the fixed guide rail 2 is used for mounting the sliding block 3, the movement of the sliding block 3 drives the energy transmission assembly to work, the energy transmission assembly drives a moving contact in the vacuum arc-extinguishing chamber 7 to work through an insulating pull rod 51, the moving contact and a stationary contact in the vacuum arc-extinguishing chamber 7 are contacted to realize power-on, and the moving contact and the stationary contact are separated to realize power-off, the lower end of the vacuum arc-extinguishing chamber 7 is sealingly fixed on the energy storage box 1, and a through hole matched with the insulating pull rod 51 is arranged on the upper surface of the energy storage box 1. The cross section of the sliding block 3 is square, the cross section of the fixed guide rail 2 is square ring, the fixed guide rail 2 is fixed on the inner wall of the energy storage box 1, a second rack groove matched with a second rack 39 is arranged on the upper side of the fixed guide rail 2, and a first rack groove matched with a first rack 24 is arranged on the bottom of the fixed guide rail 2.The fixed guide rail 2 is provided with a through hole matched with the locking rod 16, and the two ends of the fixed guide rail 2 are provided with energy storage adjusting assemblies. One end of the closing energy storage spring 4 and the closing energy storage spring 5 is respectively fixed on the output part of the two energy storage adjusting assemblies. The sliding block locking assembly is used to fix the sliding block 3 on the fixed guide rail 2, so as to prevent the sliding block 3 from sliding on the fixed guide rail 2. When the sliding block 3 does not move on the fixed guide rail 2, one end of the closing energy storage spring 4 or the closing energy storage spring 5 is pressed on the end of the sliding block 3. The closing energy storage spring 4 or the closing energy storage spring 5 is compressed by controlling the energy storage adjusting assembly, so as to charge the closing energy storage spring 4 or the closing energy storage spring 5. The closing energy storage spring 4 and the closing energy storage spring 5 cannot be charged at the same time. When the vacuum arc-extinguishing chamber 7 is in the open state, the closing energy storage spring 4 needs to be charged. When the vacuum arc-extinguishing chamber 7 is in the power-on state, the closing energy storage spring 5 needs to be charged. After the charging is completed, the sliding block locking assembly is controlled to relax the sliding block 3, the energy in the closing energy storage spring 4 or the closing energy storage spring 5 is released, the sliding block 3 immediately slides on the fixed guide rail 2, the sliding block 3 moves to drive the energy transmission assembly to work, so as to drive the insulating pull rod 51 to work, so that the vacuum arc-extinguishing chamber 7 realizes instantaneous power-on or power-off. Since the moving distance of the moving contact in the vacuum arc-extinguishing chamber 7 is specific, the moving distance of the insulating pull rod 51 is also fixed, and the driving distance of the energy transmission assembly is also fixed, so that the moving distance of the sliding block 3 on the fixed guide rail 2 is fixed. Therefore, the limiting buffer block 6 is used to limit the movement of the sliding block 3, so as to prevent the moving distance of the sliding block 3 from being too large. The anti-collision spring plate 48 is arranged in an arch shape and is fixed at both ends on the limiting buffer block 6. The anti-collision spring plate 48 is used to buffer the sliding block 3, so as to prevent the sliding block 3 from directly colliding with the limiting buffer block 6, thereby preventing the moving contact from colliding in the vacuum arc-extinguishing chamber 7 when moving. The closing positioning core 49 and the opening positioning core 50 are used to limit the ends of the closing energy storage spring 4 and the closing energy storage spring 5, so as to prevent the closing energy storage spring 4 or the closing energy storage spring 5 from sliding when being charged. The middle parts of the two limiting buffer blocks 6 are respectively provided with energy storage through holes matched with the closing energy storage spring 4 and the closing energy storage spring 5. The energy storage through holes are used to guide the working of the closing energy storage spring 4 and the closing energy storage spring 5.

[0032] In some embodiments, the energy storage adjusting assembly comprises an energy storage motor 8, a guide sleeve 9, a spring pressing sleeve 10, a rotating rod 11 and an energy storage fixing plate 12. The guide sleeve 9 is fixedly arranged in the energy storage box 1 and arranged in parallel with the fixed guide rail 2. The spring pressing sleeve 10 is slidingly arranged in the guide sleeve 9 and does not rotate in the guide sleeve 9. One end of the spring pressing sleeve 10 is fixedly connected with the closing energy storage spring 4 or the opening energy storage spring 5. The other end of the spring pressing sleeve 10 is provided with an internal thread. The one end of the rotating rod 11 is provided with an external thread matched with the internal thread. The other end of the rotating rod 11 is rotatably arranged on the energy storage fixing plate 12. The energy storage fixing plate 12 is fixedly arranged on the end of the guide sleeve 9. The energy storage motor 8 is fixedly arranged in the energy storage box 1 and the output end is in transmission connection with the end of the rotating rod 11. The energy storage motor 8 is a motor in the prior art. The energy storage motor 8 and the guide sleeve 9 are fixedly arranged in the energy storage box 1 and do not move. The output end of the energy storage motor 8 is connected with the end of the rotating rod 11. The energy storage motor 8 drives the rotating rod 11 to rotate. The rotating rod 11 and the spring pressing sleeve 10 are matched with each other by threads. Therefore, the spring pressing sleeve 10 slides in the guide sleeve 9. In order to prevent the spring pressing sleeve 10 from rotating in the guide sleeve 9, the cross section of the guide sleeve 9 is in square shape. The outer wall of the spring pressing sleeve 10 is in square shape. The spring pressing sleeve 10 can only slide in the guide sleeve 9 and cannot rotate. The closing energy storage spring 4 and the opening energy storage spring 5 are fixedly arranged on the ends of the two spring pressing sleeves 10. The force of the closing energy storage spring 4 and the opening energy storage spring 5 during energy storage is applied on the spring pressing sleeve 10. The spring pressing sleeve 10 directly acts on the energy storage motor 8 through the rotating rod 11. In order to prevent the energy storage motor 8 from being damaged by the rotating rod 11, the energy storage fixing plate 12 is arranged. The axial pressure on the rotating rod 11 directly acts on the energy storage fixing plate 12 and does not act on the energy storage motor 8. Therefore, the end of the rotating rod 11 is in stepped shape. The stepped surface acts on the energy storage fixing plate 12. The small diameter end of the rotating rod 11 passes through the energy storage fixing plate 12 and is connected with the energy storage motor 8. When the vacuum arc-extinguishing chamber 7 is in closed and energized state, the sliding block 3 is close to the opening energy storage spring 5 side and is locked by the sliding block locking assembly. The energy storage motor 8 works. The energy storage motor 8 drives the rotating rod 11 to rotate. The rotating rod 11 drives the spring pressing sleeve 10 to compress the opening energy storage spring 5. At this time, the closing energy storage spring 4 on the other side is out of the fixed guide rail 2 and the end is not in the fixed guide rail 2. Generally, the end is in the energy storage through hole. When the vacuum arc-extinguishing chamber 7 needs to be disconnected, the locking assembly locks the sliding block 3 to be loose. The sliding block 3 quickly moves to the closing energy storage spring 4 side. When the sliding block 3 contacts the limiting buffer block 6 on the closing energy storage spring 4 side after moving, the sliding block 3 does not contact the closing energy storage spring 4. The opening energy storage spring 5 is not retracted to prevent the vacuum arc-extinguishing chamber 7 from closing.When the vacuum interrupter 7 is in the off state, the sliding block 3 is close to the closing energy storage spring 4 side and is locked by the sliding block locking assembly, the energy storage motor 8 works, the energy storage motor 8 rotates to drive the rotating rod 11 to rotate, the rotating rod 11 drives the spring sleeve 10 to compress the closing energy storage spring 4, at this time the other side of the opening energy storage spring 5 exits the fixed guide rail 2 and the end does not exceed the limiting buffer block 6, when the vacuum interrupter 7 needs to be closed, the locking assembly locks the relaxed sliding block 3, the sliding block 3 quickly moves to the opening energy storage spring 5 side, when the sliding block 3 moves and contacts the limiting buffer block 6 on the opening energy storage spring 5 side, the sliding block 3 will not contact the opening energy storage spring 5.

[0033] In some embodiments, the sliding block locking assembly includes a sliding block lock seat 13, a magnetic plate 14, a locking spring 15, a locking rod 16 and an electromagnetic component 17, the sliding block lock seat 13 is fixedly arranged in the energy storage box 1 and the lower surface of the sliding block 3 cooperates with the upper surface of the sliding block lock seat 13, the locking hole is arranged in the sliding block lock seat 13, the locking rod 16 is slidingly arranged in the locking hole, the closing hole 18 and the opening hole 19 which cooperate with the locking rod 16 are arranged on the lower surface of the sliding block 3, the closing hole 18 and the opening hole 19 are respectively arranged close to the two ends of the sliding block 3, the spring groove 20 is arranged on the upper part of the locking hole, the locking spring 15 is sleeved on the locking rod 16 and pushes the locking rod 16 out of the sliding block 3, one end of the locking spring 15 is pushed on the spring groove 20, the other end of the locking spring 15 is pushed on the locking rod 16, the magnetic plate 14 is fixedly arranged on the end of the locking rod 16, the magnetic plate sliding groove 21 which cooperates with the magnetic plate 14 is arranged in the sliding block lock seat 13, the electromagnetic component 17 which cooperates with the magnetic plate 14 is fixedly arranged on the lower end of the sliding block lock seat 13. Among them, the sliding block lock seat 13 is fixed in the energy storage box 1 to install the magnetic plate 14, the locking spring 15, the locking rod 16 and the electromagnetic component 17, the electromagnetic component 17 generates magnetism after being powered on and attracts the magnetic plate 14, after the magnetic plate 14 and the electromagnetic component 17 attract each other, since the magnetic plate 14 is fixedly connected with the locking rod 16, the end of the locking rod 16 can be pulled out of the closing hole 18 or the opening hole 19 on the sliding block 3, after the electromagnetic component 17 is powered off, under the action of the locking spring 15, the locking rod 16 is inserted into the closing hole 18 or the opening hole 19. When the vacuum interrupter 7 is in the closed power-on state, the sliding block 3 is fixed close to the opening energy storage spring 5 side, at this time the locking rod 16 is inserted into the closing hole 18. When the vacuum interrupter 7 is in the off state, at this time the locking rod 16 is inserted into the opening hole 19.

[0034] In some embodiments, the locking rod 16 is fixedly provided with a pressing rod 22 which is arranged perpendicular to the locking rod 16, the sliding block lock seat 13 is provided with a pressing limiting groove 23 matched with the pressing rod 22, the sliding block 3 is fixedly provided with a first rack 24 parallel to the fixed guide rail 2, the energy storage box 1 is rotatably provided with a first gear 25 engaged with the first rack 24, the first gear 25 is provided with a handle insertion hole 26 matched with a rotating handle 27, the rotating handle 27 is rotatably provided with a supporting sleeve 28 matched with the pressing rod 22, and the supporting sleeve 28 is provided with a conical surface 29. The rotating handle 27 is a manually controlled handle, and can also be a handle controllable by a robot. In the process of turning on and off the power, if the locking rod 16 cannot be pulled out of the closing hole 18 or the opening hole 19, the end of the rotating handle 27 can be inserted into the handle insertion hole 26, the handle insertion hole 26 is coaxially arranged with the first gear 25, and the handle insertion hole 26 is an internal hexagonal hole. The supporting sleeve 28 on the rotating handle 27 acts on the pressing rod 22, and the pressing rod 22 is fixedly connected with the locking rod 16. In this way, the locking rod 16 can be pulled out of the closing hole 18 or the opening hole 19. When the opening and closing of the switch fails, the rotating handle 27 is inserted into the handle insertion hole 26, and the handle insertion hole 26 is matched with the rotating handle 27. In this way, the first gear 25 can be driven to rotate, the first gear 25 drives the first rack 24 to move, and the first rack 24 is fixedly connected with the sliding block 3. Therefore, the sliding block 3 can be controlled to slide on the fixed guide rail 2, and manual control of the opening and closing of the switch is finally realized. The first gear 25 is fixed in the energy storage box 1 through a gear frame 52, and the sliding block lock seat 13 is arranged inside the gear frame 52.

[0035] In some embodiments, the energy storage box 1 is provided with a maintenance door 30 on one side, the maintenance door 30 is provided with a handle hole 31 matched with the rotating handle 27, the handle hole 31 is provided with an open-close sealing structure, the open-close sealing structure is arranged in the energy storage box 1, the maintenance door 30 is provided with an outer door sealing ring 32, and the energy storage box 1 is provided with an inner door sealing ring 33 matched with the outer door sealing ring 32. The fixed guide rail 2, the sliding block 3, the closing energy storage spring 4, the opening energy storage spring 5, the limiting buffer block 6, the energy storage adjusting assembly, the energy transmission assembly and the sliding block locking assembly are arranged in the energy storage box 1. If some components are damaged or cannot work, the maintenance door 30 needs to be opened to repair or replace these components. The outer door sealing ring 32 and the inner door sealing ring 33 realize the sealing between the maintenance door 30 and the energy storage box 1, preventing water from entering when the equipment is used outdoors. The handle hole 31 is used for inserting the rotating handle 27, and the open-close sealing structure is used for sealing the handle hole 31.

[0036] In some embodiments, the open-close sealing structure includes a wide-mouth ring 34, a spherical ring 35, a straight pipe ring 36, a sealing cover 37 and a cover spring 38, the large diameter end of the wide-mouth ring 34 is sealingly fixedly connected with the handle hole 31, the small diameter end of the wide-mouth ring 34 is sealingly fixedly connected with one end of the spherical ring 35, the other end of the spherical ring 35 is sealingly fixedly connected with one end of the straight pipe ring 36, the sealing cover 37 is sealingly arranged on the other end of the straight pipe ring 36, and the cover spring 38 is arranged on the straight pipe ring 36 to press the sealing cover 37 on the straight pipe ring 36. Among them, the wide-mouth ring 34 and the spherical ring 35 are used in cooperation to prevent rainwater from entering the energy storage box 1, and the straight pipe ring 36, the sealing cover 37 and the cover spring 38 are used in cooperation to prevent snakes or insects from entering the energy storage box 1.

[0037] In some embodiments, the energy transmission assembly includes a second rack 39, a second gear 40, a main bevel gear 41, a secondary bevel gear 42, a transmission rod 43 and an angle rotating plate 44, the second rack 39 is fixedly arranged on the sliding block 3 and arranged in parallel with the fixed guide rail 2, the second rack 39 is engaged with the second gear 40, the second gear 40 is coaxially fixedly connected with the main bevel gear 41 through a rotating shaft 45, the main bevel gear 41 is engaged with the secondary bevel gear 42, the secondary bevel gear 42 is coaxially fixedly arranged on the transmission rod 43, the transmission rod 43 is fixedly arranged with the angle rotating plate 44 which is insulatingly connected with the vacuum interrupter 7, and the transmission rod 43 and the rotating shaft 45 are both rotationally arranged in the energy storage box 1. Among them, when the sliding block 3 moves, the second rack 39 moves, the second rack 39 drives the second gear 40 to rotate, the second gear 40 drives the main bevel gear 41 to rotate through the rotating shaft 45, the main bevel gear 41 drives the secondary bevel gear 42 to rotate, the secondary bevel gear 42 drives the transmission rod 43 to rotate, when the transmission rod 43 rotates, the transmission rod 43 rotates around the axis of the transmission rod 43 as the center and drives the angle rotating plate 44 to rotate, one end of the angle rotating plate 44 is fixedly connected with the transmission rod 43, the angle rotating plate 44 is hingedly connected with one end of the insulating pull rod 51, the other end of the insulating pull rod 51 is hingedly connected with the end of the moving contact, and the angle rotating plate 44 drives the insulating pull rod 51 to move when the angle rotating plate 44 rotates, thereby realizing the opening and closing of the switch.

[0038] In some embodiments, a fixed cylinder 46 is fixedly arranged on the inner wall of the energy storage box 1, the rotating shaft 45 is rotationally arranged in the fixed cylinder 46 and cooperates with the fixed cylinder 46, a stepped hole coaxially arranged with the rotating shaft 45 is arranged on the upper end of the fixed cylinder 46, a anti-falling disc 47 is arranged in the stepped hole, and the anti-falling disc 47 is coaxially fixedly arranged on the rotating shaft 45. Among them, the fixed cylinder 46 is used to install the rotating shaft 45, since the rotating shaft 45 is vertically arranged in the energy storage box 1, the anti-falling disc 47 is arranged to prevent the rotating shaft 45 from moving downward in the fixed cylinder 46, thereby preventing the main bevel gear 41 from being separated from the secondary bevel gear 42.

[0039] In the description of the present application, it needs to be understood that the terms "upper", "lower", "bottom", "one end", "top", "middle", "the other end", "coaxial", "one side", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "fixation", "hinge" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, and the above-mentioned terms in the present application can be understood according to the specific meaning in the specific circumstances by those skilled in the art.

[0041] The above is only the preferred embodiment of the present application, and it should be understood that the present application is not limited to the form disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein by the above-mentioned teaching or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. An energy storage device for a large circuit breaker, characterized by: The utility model provides an energy storage box, fixed guide rail, sliding block, closing energy storage spring, opening energy storage spring, limiting buffer block, energy storage adjusting assembly, energy transmission assembly and sliding block locking assembly, the fixed guide rail (2) is fixedly arranged in the energy storage box (1), the sliding block (3) is slidably arranged on the fixed guide rail (2), the limiting buffer block (6) that cooperates with the sliding block (3) is arranged on both ends of the fixed guide rail (2), two energy storage adjusting assemblies are fixedly arranged in the energy storage box (1), the closing energy storage spring (4) and the opening energy storage spring (5) are respectively fixedly arranged on the output part of the energy storage adjusting assembly, and the closing energy storage spring (4) and the opening energy storage spring (5) are respectively arranged on both sides of the sliding block (3) and cooperate with the sliding block (3), the sliding block locking assembly is arranged in the energy storage box (1) and is used for preventing the sliding block (3) from moving after closing and opening, the energy transmission assembly is arranged in the energy storage box (1) and the input end cooperates with the sliding block (3), and the output end of the energy transmission assembly cooperates with the vacuum arc-extinguishing chamber (7) on the energy storage box (1); The energy storage adjusting assembly includes energy storage motor (8), guide sleeve (9), spring pressing sleeve (10), rotating rod (11) and energy storage fixed plate (12), the guide sleeve (9) is fixedly arranged in the energy storage box (1) and is arranged in parallel with the fixed guide rail (2), the spring pressing sleeve (10) is slidably arranged in the guide sleeve (9), and the spring pressing sleeve (10) does not rotate in the guide sleeve (9), one end of the spring pressing sleeve (10) is fixedly connected with the closing energy storage spring (4) or the opening energy storage spring (5), the other end of the spring pressing sleeve (10) is provided with internal threads, one end of the rotating rod (11) is provided with external threads matched with the internal threads, the other end of the rotating rod (11) is rotatably arranged on the energy storage fixed plate (12), the energy storage fixed plate (12) is fixedly arranged on the end of the guide sleeve (9), and the energy storage motor (8) is fixedly arranged in the energy storage box (1) and the output end is in transmission connection with the end of the rotating rod (11). The slider locking assembly comprises a slider locking seat (13), a magnetic plate (14), a locking spring (15), a locking rod (16) and an electromagnetic component (17), the slider locking seat (13) is fixedly arranged in the energy storage box (1) and the lower surface of the sliding block (3) is matched with the upper surface of the slider locking seat (13), the locking hole is arranged in the slider locking seat (13), the locking rod (16) is slidingly arranged in the locking hole, the lower surface of the sliding block (3) is provided with a closing hole (18) and an opening hole (19) matched with the locking rod (16), the closing hole (18) and the opening hole (19) are respectively arranged near the two ends of the sliding block (3), the upper part of the locking hole is provided with a spring groove (20), the locking spring (15) is sleeved on the locking rod (16) and pushes the locking rod (16) out of the sliding block (3), one end of the locking spring (15) is pushed on the spring groove (20), the other end of the locking spring (15) is pushed on the locking rod (16), the magnetic plate (14) is fixedly arranged on the end of the locking rod (16), the magnetic plate sliding groove (21) matched with the magnetic plate (14) is arranged in the slider locking seat (13), the electromagnetic component (17) matched with the magnetic plate (14) is fixedly arranged on the lower end of the slider locking seat (13).

2. An energy storage device for a large circuit breaker according to claim 1, characterized in that: The extrusion rod (22) is fixedly arranged on the locking rod (16), the extrusion rod (22) and the locking rod (16) are arranged perpendicular to each other, the extrusion limiting groove (23) matched with the extrusion rod (22) is arranged on the slider locking seat (13), the first rack (24) parallel to the fixed guide rail (2) is fixedly arranged on the sliding block (3), the first gear (25) engaged with the first rack (24) is rotatably arranged in the energy storage box (1), the handle insertion hole (26) is arranged on the first gear (25), the handle insertion hole (26) is matched with the rotating handle (27), the supporting sleeve (28) matched with the extrusion rod (22) is rotatably arranged on the rotating handle (27), the conical surface (29) is arranged on the supporting sleeve (28).

3. An energy storage device for a large circuit breaker according to claim 2, characterized in that: The maintenance door (30) is arranged on one side of the energy storage box (1), the handle hole (31) matched with the rotating handle (27) is arranged on the maintenance door (30), the opening and closing type sealing structure is arranged on the handle hole (31) and in the energy storage box (1), the outer door sealing ring (32) is arranged on the maintenance door (30), the inner door sealing ring (33) matched with the outer door sealing ring (32) is arranged on the energy storage box (1).

4. An energy storage device for a large circuit breaker according to claim 3, characterized in that: The opening and closing type sealing structure comprises a wide-mouth ring (34), a spherical ring (35), a straight pipe ring (36), a sealing cover (37) and a cover spring (38), the wide-mouth ring (34) is connected with the handle hole (31) in sealing and fixed manner at the large diameter end, the wide-mouth ring (34) is connected with one end of the spherical ring (35) in fixed manner at the small diameter end, the other end of the spherical ring (35) is connected with one end of the straight pipe ring (36) in sealing and fixed manner, the sealing cover (37) is arranged on the other end of the straight pipe ring (36) in sealing manner, and the cover spring (38) is arranged on the straight pipe ring (36) to press the sealing cover (37) on the straight pipe ring (36).

5. An energy storage device for a large circuit breaker according to any one of claims 1-4, characterized in that: The energy transmission assembly comprises a second rack (39), a second gear (40), a main bevel gear (41), a secondary bevel gear (42), a transmission rod (43) and an angle rotating plate (44), the second rack (39) is arranged in fixed manner on the sliding block (3) and is arranged in parallel with the fixed guide rail (2), the second rack (39) is engaged with the second gear (40), the second gear (40) and the main bevel gear (41) are coaxially connected in fixed manner through a rotating shaft (45), the main bevel gear (41) is engaged with the secondary bevel gear (42), the secondary bevel gear (42) is coaxially arranged in fixed manner on the transmission rod (43), the angle rotating plate (44) is arranged in fixed manner on the transmission rod (43) and is connected with the vacuum arc-extinguishing chamber (7) in insulating manner, and the transmission rod (43) and the rotating shaft (45) are both arranged in rotating manner in the energy storage box (1).

6. An energy storage device for a large circuit breaker according to claim 5, characterized in that: A fixed cylinder (46) is arranged in fixed manner on the inner wall of the energy storage box (1), the rotating shaft (45) is arranged in rotating manner in the fixed cylinder (46) and cooperates with the fixed cylinder (46), a stepped hole coaxially arranged with the rotating shaft (45) is arranged on the upper end of the fixed cylinder (46), an anti-falling disc (47) is arranged in the stepped hole, and the anti-falling disc (47) is coaxially arranged in fixed manner on the rotating shaft (45).

7. An energy storage device for a large circuit breaker according to any one of claims 1-4, characterized in that: An anti-collision spring piece (48) cooperating with the sliding block (3) is arranged on the limiting buffer block (6).

8. An energy storage device for a large circuit breaker according to any one of claims 1-4, characterized in that: A closing positioning core (49) cooperating with the closing energy storage spring (4) is arranged on one end of the sliding block (3), and an opening positioning core (50) cooperating with the opening energy storage spring (5) is arranged on the other end of the sliding block (3).

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