Energy storage device for large circuit breaker

Abstract

The invention 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, and 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 portion of the energy storage adjusting assembly, 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 the input end of the energy transmission assembly is matched with the sliding block. And the output end of the energy transfer assembly is matched with a vacuum arc extinguish chamber on the energy storage box. Independent energy storage is achieved through the closing energy storage spring and the opening energy storage spring, mutual interference is avoided, then the closing energy storage spring and the opening energy storage spring are used in cooperation with the energy storage adjusting assembly, a large-scale vacuum arc-extinguishing chamber can be effectively driven to achieve power-on and power-off, and the device is simple in structure and easy to operate.

Description

TECHNICAL FIELD

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

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

[0003] The present application aims to overcome the shortcomings of the prior art and provide a large circuit breaker energy storage device.

[0004] The purpose of the present application is achieved by the following technical solutions: A large circuit breaker energy storage device, 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 cooperates 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 part of the energy storage adjusting assembly, and the closing energy storage spring and the opening energy storage spring are arranged on both sides of the sliding block and cooperate with the sliding block, the sliding block locking assembly is arranged in the energy storage box and is used to prevent the sliding block from moving after closing and opening, the energy transmission assembly is arranged in the energy storage box and the input end cooperates with the sliding block, and the output end of the energy transmission assembly cooperates with the vacuum arc chamber on the energy storage box.

[0005] 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 is 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 part of the guide sleeve, and the energy storage motor is fixedly arranged in the energy storage box and the output end is in transmission connection with the end part of the rotating rod.

[0006] Further, the sliding block locking assembly comprises a sliding block locking seat, a magnetic plate, a locking spring, a locking rod and an electromagnetic component, the sliding block 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 sliding block locking seat, a locking hole is arranged in the sliding block 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 against the spring groove, the other end of the locking spring is pushed against 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 sliding block locking seat, and the electromagnetic component matched with the magnetic plate is fixedly arranged on the lower end of the sliding block locking seat.

[0007] Further, the locking rod is fixedly provided with an extrusion rod, the extrusion rod is arranged perpendicular to the locking rod, the sliding block locking seat is provided with an extrusion limiting groove matched with the extrusion rod, and the sliding block is fixedly provided with a first rack parallel to the fixed guide rail.

[0008] Further, one side of the energy storage box is provided with an access door, the access door is provided with a handle hole matched with the rotating handle, the handle hole is provided with an opening and closing type sealing structure, the opening and closing type sealing structure is arranged in the energy storage box, the access door is provided with an outer door sealing ring, and the energy storage box is provided with an inner door sealing ring matched with the outer door sealing ring.

[0009] 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 in a large-diameter end, one end of the wide-mouth ring is fixedly connected with one end of the spherical ring in a 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 against the straight pipe ring.

[0010] 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.

[0011] 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.

[0012] Further, the limiting buffer block is provided with an anti-collision elastic sheet matched with the sliding block.

[0013] 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.

[0014] The present application has the following beneficial effects: 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.

[0015] 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.

[0016] 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

[0017] Figure 1 It is a front view of the device; Figure 2 It is a schematic view of an internal connection structure of the device; Figure 3 It is a schematic view of an A-A cross section connection structure of the device; Figure 2 Figure 4 ​The first gear and the rotating handle matching connection structure schematic view is shown in the figure; Figure 5 The first gear and the rotating handle matching connection structure schematic view is shown in the figure; Figure 4 The first gear and the rotating handle matching connection structure schematic view is shown in the figure; Figure 6 The first gear and the rotating handle matching connection structure schematic view is shown in the figure; Figure 7 The first gear and the rotating handle matching connection structure schematic view is shown in the figure; Figure 8 The first gear and the rotating handle matching connection structure schematic view is shown in the figure; Figure 9 The first gear and the rotating handle matching connection structure schematic view is shown in the figure; Figure 2 The first gear and the rotating handle matching connection structure schematic view is shown in the figure; In the figure, 1 is an energy storage box, 2 is a fixed guide rail, 3 is a sliding block, 4 is a closing energy storage spring, 5 is an opening energy storage spring, 6 is a limiting buffer block, 7 is a vacuum arc-extinguishing chamber, 8 is an energy storage motor, 9 is a guide sleeve, 10 is a spring pressing sleeve, 11 is a rotating rod, 12 is an energy storage fixed plate, 13 is a sliding block lock seat, 14 is a magnetic attraction plate, 15 is a locking spring, 16 is a locking rod, 17 is an electromagnetic component, 18 is a closing hole, 19 is an opening hole, 20 is a spring groove, 21 is a magnetic plate sliding groove, 22 is a pressing rod, 23 is a pressing limiting groove, 24 is a first rack, 25 is a first gear, 26 is a handle insertion hole, 27 is a rotating handle, 28 is a supporting sleeve, 29 is a conical surface, 30 is an inspection door, 31 is a handle hole, 32 is an outer door sealing ring, 33 is an inner door sealing ring, 34 is a wide-mouth ring, 35 is a spherical surface ring, 36 is a straight pipe ring, 37 is a sealing cover, 38 is a cover spring, 39 is a second rack, 40 is a second gear, 41 is a main bevel gear, 42 is a secondary bevel gear, 43 is a transmission rod, 44 is an angle rotating plate, 45 is a rotating shaft, 46 is a fixed cylinder, 47 is an anti-falling disc, 48 is an anti-collision spring piece, 49 is a closing positioning core, 50 is an opening positioning core, 51 is an insulating pulling rod, and 52 is a gear frame. DETAILED DESCRIPTION

[0018] The technical solutions of the present application will be described clearly and completely below in combination with 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 other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0019] Referring to Figures 1-9 , the present application provides a technical solution: 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 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.

[0020] 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.

[0021] 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.

[0022] 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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 in that: The invention comprises 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 limit buffer block (6), an energy storage adjustment component, an energy transmission component and a slider locking component, wherein 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), and the limit buffer blocks (6) cooperating with the sliding block (3) are arranged on both ends of the fixed guide rail (2), two energy storage adjustment components are fixedly arranged in the energy storage box (1), the closing energy storage spring (4) and The opening energy storage spring (5) is fixedly arranged on the output part of the energy storage adjustment component, 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 slider locking component is arranged in the energy storage box (1) and is used to prevent the sliding block (3) from moving after closing and opening. The energy transmission component is arranged in the energy storage box (1) and the input end cooperates with the sliding block (3). The output end of the energy transmission component cooperates with the vacuum interrupter (7) on the energy storage box (1).

2. The energy storage device for a large circuit breaker according to claim 1, characterized in that: The energy storage regulating assembly comprises an energy storage motor (8), a guide sleeve (9), a spring pressure sleeve (10), a rotating rod (11) and an energy storage fixed plate (12), wherein the guide sleeve (9) is fixedly arranged in the energy storage box (1) and is arranged parallel to the fixed guide rail (2), the spring pressure sleeve (10) is slidably arranged in the guide sleeve (9), and the spring pressure sleeve (10) does not rotate in the guide sleeve (9), and one end of the spring pressure sleeve (10) is in contact with the closing energy storage spring (4) or the The opening energy storage spring (5) is fixedly connected, the other end of the spring compression sleeve (10) is provided with an internal thread, one end of the rotating rod (11) is provided with an external thread matching the internal thread, the other end of the rotating rod (11) is rotatably set on the energy storage fixed plate (12), the energy storage fixed plate (12) is fixedly set on the end of the guide sleeve (9), the energy storage motor (8) is fixedly set in the energy storage box (1) and the output end is transmission-connected to the end of the rotating rod (11).

3. An energy storage device for a large circuit breaker according to claim 1 or 2, characterized in that: The slider locking assembly comprises a slider lock seat (13), a magnetic plate (14), a locking spring (15), a locking rod (16) and an electromagnetic component (17); the slider 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 slider lock seat (13); a locking hole is provided in the slider lock seat (13); the locking rod (16) is slidably arranged in the locking hole; a closing hole (18) and an opening hole (19) cooperating with the locking rod (16) are provided on the lower surface of the sliding block (3); the closing hole (18) and the opening hole (19) are respectively provided near the two ends of the sliding block (3); 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) toward the side of the sliding block (3), one end of the locking spring (15) is pressed against the spring groove (20), and the other end of the locking spring (15) is pressed against the locking rod (16), the end of the locking rod (16) is fixedly provided with the magnetic plate (14), the slider lock seat (13) is provided with a magnetic plate slide groove (21) that cooperates with the magnetic plate (14), and the lower end of the slider lock seat (13) is fixedly provided with the electromagnetic component (17) that cooperates with the magnetic plate (14).

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

5. The energy storage device for a large circuit breaker according to claim 4, characterized in that: An inspection door (30) is provided on one side of the energy storage box (1), and a handle hole (31) is provided on the inspection door (30) for cooperating with the rotating handle (27). An opening and closing sealing structure is provided on the handle hole (31), and the opening and closing sealing structure is provided in the energy storage box (1). An outer door sealing ring (32) is provided on the inspection door (30), and an inner door sealing ring (33) cooperating with the outer door sealing ring (32) is provided on the energy storage box (1).

6. The energy storage device for a large circuit breaker according to claim 5, characterized in that: The opening and closing sealing structure comprises a wide-mouth ring (34), a spherical ring (35), a straight tube ring (36), a sealing cover (37) and a sealing spring (38); the large-diameter end of the wide-mouth ring (34) is sealed and fixedly connected to the handle hole (31); the small-diameter end of the wide-mouth ring (34) is fixedly connected to one end of the spherical ring (35); the other end of the spherical ring (35) is sealed and fixedly connected to one end of the straight tube ring (36); the sealing cover (37) is sealingly arranged on the other end of the straight tube ring (36); and the sealing spring (38) is arranged on the straight tube ring (36) to press the sealing cover (37) onto the straight tube ring (36).

7. An energy storage device for a large circuit breaker according to claim 1 or 2, 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 rotation plate (44); the second rack (39) is fixedly arranged on the sliding block (3) and arranged parallel to the fixed guide rail (2); the second rack (39) is meshed with the second gear (40); the second gear (40) and the main bevel gear (41) are coaxially fixedly connected via a rotating shaft (45); the main bevel gear (41) is meshed with the secondary bevel gear (42); the secondary bevel gear (42) is coaxially fixedly arranged on the transmission rod (43); an angle rotation plate (44) insulated from the vacuum interrupter (7) is fixedly arranged on the transmission rod (43); the transmission rod (43) and the rotating shaft (45) are both rotatably arranged in the energy storage box (1).

8. The energy storage device for a large circuit breaker according to claim 7, characterized in that: A fixed cylinder (46) is fixedly provided on the inner wall of the energy storage box (1); the rotating shaft (45) is rotatably provided in the fixed cylinder (46) and cooperates with the fixed cylinder (46); a stepped hole coaxially provided with the rotating shaft (45) is provided on the upper end of the fixed cylinder (46); an anti-slip disc (47) is provided in the stepped hole; the anti-slip disc (47) is coaxially fixedly provided on the rotating shaft (45).

9. An energy storage device for a large circuit breaker according to claim 1 or 2, characterized in that: The position-limiting buffer block (6) is provided with an anti-collision spring piece (48) that cooperates with the sliding block (3).

10. An energy storage device for a large circuit breaker according to claim 1 or 2, characterized in that: A closing positioning core (49) cooperating with the closing energy storage spring (4) is provided on one end of the sliding block (3), and an opening positioning core (50) cooperating with the opening energy storage spring (5) is provided on the other end of the sliding block (3).

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