Energy storage structure and method of vacuum circuit breaker

Abstract

The application discloses a kind of energy storage structure and method of vacuum circuit breaker, it is related to vacuum circuit breaker technical field, including circuit breaker shell, ceramic insulator is fixedly installed on the upper surface of circuit breaker shell equidistant, it further includes the energy storage component of being arranged in the inside of circuit breaker shell, energy storage component includes the positioning member of being fixedly connected to the outer surface of one side of circuit breaker shell;By the setting of energy storage main shaft, energy storage spring, rotating gear, ratchet, tooth block and connecting spring, the energy storage operation of vacuum circuit breaker can be quickly completed, and when vacuum circuit breaker is installed in high building, the energy storage operation of vacuum circuit breaker can also be completed by simple tool, traditional manual energy storage needs personnel to climb to the vicinity of equipment or even suspended operation, there is the danger of falling or slipping, and the structure allows to use long handle lever, extension rod and other simple tools to remotely control, operating personnel need not directly contact high voltage component or be in dangerous position, greatly reduce the probability of personal injury.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of vacuum circuit breakers, in particular to an energy storage structure and method of a vacuum circuit breaker. BACKGROUND

[0002] The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium between the contacts after arc extinguishing are both high vacuum, and the vacuum circuit breaker has the advantages of small volume, light weight, frequent operation and no maintenance for arc extinguishing, and is widely used in power distribution networks.

[0003] In use, in order to ensure the safety of the vacuum circuit breaker, the vacuum circuit breaker needs to be installed at a high position. In this state, the worker needs to climb a ladder, a scaffold or a device platform to access the circuit breaker at a high position, and in the process, the worker may fall from a high altitude due to unstable foot stepping, lack of protective equipment or sudden weather changes (such as rain and snow).

[0004] The patent with the publication number CN119650351A discloses a combined vacuum circuit breaker, which comprises a circuit breaker body and an energy storage lever connected to the outer side of the circuit breaker body, an installation shell connected to the outer wall of the circuit breaker body, a rotating structure connected in the installation shell, a round rod in sliding connection with the installation shell, a main bevel gear fixedly connected to the top of the round rod, a slave bevel gear in meshing connection with the outer side of the main bevel gear and in rotating connection with the installation shell, a cylinder fixedly connected to the outer end of the slave bevel gear, an arc edge extrusion plate fixedly connected to the outer wall of the cylinder, an extension plate fixedly connected to the end of the energy storage lever and abutting against the arc edge extrusion plate, a sleeve connected to the outer side of one end of the installation shell through the round rod, a threaded groove formed in the bottom of the sleeve, an extrusion assembly connected in the installation shell, and a switching assembly connected in the installation shell, so as to achieve the purpose of connecting the tool with the sleeve through the sleeve and the threaded groove in the bottom of the sleeve, reciprocally pressing the energy storage lever through the cooperation of the round rod, the two bevel gears, the cylinder and the arc edge extrusion plate, and the energy storage lever reciprocally pressing under the cooperation of the extrusion assembly, so that people do not need to align the pull ring, and the energy storage lever can be reciprocally pressed through rotation, and the operation is simple and convenient, and the rod body and the energy storage lever will not be separated compared with the original up-and-down pulling operation.

[0005] However, the above device is used, the threaded tool is engaged with the sleeve, the energy storage of the circuit breaker is realized, and the first spring is synchronously installed at the top of the sleeve, so that when the tool is engaged with the sleeve, although the inventor mentions in the specification that when the threaded rod end of the tool is threadedly connected with the threaded groove in the sleeve, although the round rod is also rotating, when the arc edge extrusion block abuts against the extension plate, a certain resistance is still provided, so that the tool rod end can be smoothly threadedly connected with the sleeve, but the abutment of the arc edge extrusion block and the extension plate is after the threaded connection of the sleeve and the tool is completed, and the extension plate is swung to press the arc edge extrusion block against the extension plate, so that the tool is idled to a certain extent between the sleeve during the threaded connection of the sleeve and the tool, and the energy storage of the circuit breaker is affected;

[0006] In addition, when the worker disconnects the tool from the sleeve, the sleeve is reversely rotated to a certain extent due to the thread, and the arc edge extrusion plate is also reversely rotated, and the difference is accumulated gradually during repeated use, so that the use of the energy storage structure is affected.

[0007] Therefore, the application provides an energy storage structure and method of a vacuum circuit breaker to solve the above problems. SUMMARY

[0008] PROBLEMS SOLVED BY THE INVENTION

[0009] Therefore, the application provides an energy storage structure and method of a vacuum circuit breaker to solve the above problems.

[0010] TECHNICAL SCHEME

[0011] To achieve the above object, the application provides the following technical scheme: an energy storage structure of a vacuum circuit breaker, comprising a circuit breaker shell, a ceramic insulator fixedly installed on the upper surface of the circuit breaker shell, and an energy storage assembly arranged in the circuit breaker shell.

[0012] The energy storage assembly comprises a positioning piece fixedly connected to the outer surface of one side of the circuit breaker shell, a rotating gear rotatably connected in the positioning piece, a driven bevel gear fixedly connected to the center of the side surface of the rotating gear away from the circuit breaker shell, an engagement gear engaged with the tooth surface of the top of the rotating gear, a driven gear engaged with the tooth surface of the side of the engagement gear away from the rotating gear, an energy storage main shaft fixedly connected to the center of the side surface of the driven gear close to the circuit breaker shell, and a crank slidably connected to the outer surface of the end of the energy storage main shaft away from the driven gear, wherein the energy storage spring is hingedly installed at the end of the crank away from the energy storage main shaft.

[0013] Preferably, the driven bevel gear is rotationally connected inside the positioning member, and the rotating gear, the meshing gear and the driven gear are rotationally connected to the outer surface of the circuit breaker shell in the vertical direction from bottom to top.

[0014] Preferably, the energy storage main shaft penetrates through the side wall of the circuit breaker shell and extends into the inside of the circuit breaker shell away from the end of the driven gear, and the energy storage spring is fixedly connected to the top of the inner wall of the circuit breaker shell away from the end of the crank.

[0015] Preferably, the rotating assembly is further arranged on the outer surface of the circuit breaker shell.

[0016] The rotating assembly comprises a driving bevel gear rotationally connected inside the positioning member, a limiting cylinder fixedly connected to the outer surface of the bottom end of the circuit breaker shell, a ratchet fixedly connected to the center of the bottom surface of the driving bevel gear, a positioning block arranged in abutment on the top of the inner wall of the limiting cylinder, a tooth block rotationally connected in a circumferential array at equal intervals on the inner wall of the positioning block, a connecting spring fixedly connected to the outer surface of one side of the tooth block, and an insertion piece arranged in abutment on the bottom inner surface of the limiting cylinder.

[0017] Preferably, the driving bevel gear and the driven bevel gear are arranged perpendicularly and meshed with each other, and the driving bevel gear, the limiting cylinder, the ratchet, the tooth block, the connecting spring, the positioning block and the insertion piece are coaxially arranged, the positioning block is rotationally connected to the inner surface of the limiting cylinder, and the insertion piece is rotationally connected to the inner surface of the limiting cylinder.

[0018] Preferably, the connecting spring is fixedly connected to the inner side surface of the positioning block away from the end of the tooth block, the insertion piece is arranged in multiple layers in the vertical direction, the adjacent two layers of the insertion piece are slidingly connected to each other, and the diameters of the multiple insertion pieces arranged from top to bottom in the vertical direction gradually increase.

[0019] Preferably, the auxiliary assembly is further arranged inside the circuit breaker shell.

[0020] The auxiliary assembly comprises an energy storage auxiliary shaft rotationally connected to the inner wall surface of the circuit breaker shell, a limiting shaft fixedly connected to the bottom of the inner surface of the circuit breaker shell, a limiting block rotationally connected between the outer surfaces of the energy storage auxiliary shaft and the limiting shaft, a pusher sleeved on the outer surface of the energy storage auxiliary shaft, a handle slidingly connected to the outer surface of one side of the pusher away from the circuit breaker shell, a limiting spring arranged inside the pusher, and a insertion hole penetrating through the inside of the crank.

[0021] Preferably, one end of the energy storage auxiliary shaft penetrates the inner wall of the circuit breaker shell and extends to the outside of the circuit breaker shell, and the end extending out of the circuit breaker shell is fixedly connected with the center of the meshing gear surface, the energy storage auxiliary shaft and the limiting shaft are located on the same vertical axis, the pushing piece is composed of a hollow sleeve and an arc-shaped abutment plate rotatably connected to the surface of the hollow sleeve, the hollow sleeve is sleeved on the outside of the energy storage auxiliary shaft, the arc-shaped abutment plate penetrates the circuit breaker shell and extends to the outside of the circuit breaker shell, the limiting spring is sleeved on the outer surface of the energy storage auxiliary shaft, and the two ends of the limiting spring are fixedly connected with the handle and the outer surface of the energy storage auxiliary shaft, respectively, and the insertion hole is located on the movement path of the handle.

[0022] Preferably, the energy storage method of the vacuum circuit breaker comprises the following steps:

[0023] Step one: install the circuit breaker shell at a high position of the building facility, when energy storage operation through the circuit breaker shell is needed, the worker inserts the top end of the long rod into the inside of the insertion piece from the ground through a tool such as a long rod, and pushes the tooth block upward through the insertion piece until the tooth block and the ratchet wheel are in a mutually meshing state;

[0024] Step two: at this time, the top end of the long rod and the insertion piece are in a mutually clamped state, rotate the long rod, the positioning block drives the ratchet wheel to rotate through the tooth block, the ratchet wheel drives the driving bevel gear to rotate, and in turn drives the driven bevel gear to rotate, the driven bevel gear drives the energy storage main shaft and the crank to rotate through the meshing gear and the driven gear, and in turn makes the energy storage spring rotate, thereby completing the energy storage operation;

[0025] Step three: when the energy storage main shaft fails after long-term use, the energy storage operation cannot be completed through the energy storage main shaft, then the worker presses the pushing piece into the inside of the circuit breaker shell, so that the pushing piece drives the handle to move, until the handle is clamped into the insertion hole, thereby separating the crank from the energy storage main shaft, and making the handle and the crank in a clamped state;

[0026] Step four: then rotate the long rod again to drive the meshing gear to rotate the handle, and in turn drive the crank to rotate, so that the energy storage spring rotates, thereby completing the energy storage operation again.

[0027] Compared with the prior art, the energy storage structure and method of the vacuum circuit breaker have the following beneficial effects:

[0028] The energy storage operation of the vacuum circuit breaker can be quickly completed through the setting of the energy storage main shaft, the energy storage spring, the rotating gear, the ratchet, the tooth block and the connecting spring, and when the vacuum circuit breaker is installed at a high place of a building, the energy storage operation of the vacuum circuit breaker can also be completed through simple tools, traditional manual energy storage needs personnel to climb to the vicinity of the equipment or even operate in the air, which is dangerous, and the structure allows remote control by using a long-handled lever, an extension rod or the like, and the operator does not need to directly contact high-voltage components or be in a dangerous position, thereby greatly reducing the probability of personal injury.

[0029] The setting of the plug-in part facilitates the plug-in installation of rod-shaped tools of various sizes, and then the energy storage operation is completed without the need for specific tools.

[0030] The setting of the ratchet, the tooth block and the connecting spring enables the energy storage main shaft to only rotate in one direction to complete the energy storage operation, and when the tool is reversely rotated subsequently, the energy storage main shaft will not be reversely rotated, thereby avoiding affecting the energy storage operation of the energy storage spring. Through the one-way engagement characteristics of the ratchet mechanism, only the main shaft is allowed to be rotated in a specific direction by the operating tool to compress the energy storage spring. This forced guidance avoids reverse rotation caused by misoperation, ensures that all energy can be effectively injected into the spring system each time the energy is stored, and improves the reliability and consistency of the closing action. In addition, when the tool is reversely rotated, the ratchet will be disengaged from the tooth block to block the power transmission path. This physical decoupling mechanism can prevent the loss of stored energy due to reverse force, and ensure that the energy storage state remains stable even in a complex vibration environment.

[0031] Through the setting of the pushing piece, the handle and the energy storage auxiliary shaft, when the energy storage main shaft cannot complete the energy storage operation due to long-term use or failure, the energy storage auxiliary shaft can replace the energy storage main shaft to move and complete the energy storage operation. When the energy storage main shaft cannot work due to wear, jamming or broken teeth, the energy storage auxiliary shaft can immediately take over the energy storage function to ensure that the circuit breaker can still normally open and close. In addition, the energy storage main shaft and the energy storage auxiliary shaft can be alternately used by the workers to disperse the mechanical load and reduce the fatigue accumulation of a single component. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a schematic view of the overall appearance structure of the present application;

[0033] Figure 2 It is another perspective view of the structure of the present application; Figure 1

[0034] Figure 3 It is a schematic view of the connection relationship at the driven gear of the present application;

[0035] Figure 4 It is a schematic view of the connection relationship at the crank of the present application;​

[0036] Figure 5 The schematic diagram of position relation at the handle of the application is shown in the figure;

[0037] Figure 6 The schematic diagram of position relation at the energy storage auxiliary shaft of the application is shown in the figure;

[0038] Figure 7 The schematic diagram of position relation at the energy storage auxiliary shaft of the application is shown in the figure; Figure 6 The enlarged schematic diagram of structure at A of the application is shown in the figure;

[0039] Figure 8 The schematic diagram of connection relation at the positioning member of the application is shown in the figure;

[0040] Figure 9 The schematic diagram of position relation at the ratchet wheel of the application is shown in the figure;

[0041] Figure 10 The enlarged schematic diagram of structure at B of the application is shown in the figure. Figure 9

[0042] In the figure: 11, circuit breaker housing; 12, ceramic insulator;

[0043] 21, positioning member; 22, rotating gear; 23, driven bevel gear; 24, meshing gear; 25, driven gear; 26, energy storage main shaft; 27, crank; 28, energy storage spring;

[0044] 31, driving bevel gear; 32, limiting cylinder; 33, ratchet wheel; 34, tooth block; 35, connecting spring; 36, positioning block; 37, plug-in part;

[0045] 41, energy storage auxiliary shaft; 42, limiting shaft; 43, limiting block; 44, pushing member; 45, handle; 46, limiting spring; 47, insertion hole. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0047] Embodiment one

[0048] Please refer to Figures 1 to 8 , an energy storage structure of a vacuum circuit breaker, comprising a circuit breaker housing 11, a ceramic insulator 12 is fixedly installed on the upper surface of the circuit breaker housing 11 at equal intervals, and further comprising an energy storage assembly arranged inside the circuit breaker housing 11;

[0049] ​The energy storage assembly comprises a positioning piece 21 fixedly connected to one side of the outer surface of the circuit breaker shell 11, a rotating gear 22 rotatably connected inside the positioning piece 21, a driven bevel gear 23 fixedly connected to the center of the side surface of the rotating gear 22 away from the circuit breaker shell 11, an engagement gear 24 meshing with the tooth surface of the top of the rotating gear 22, a driven gear 25 meshing with the tooth surface of the side of the engagement gear 24 away from the rotating gear 22, an energy storage main shaft 26 fixedly connected to the center of the side surface of the driven gear 25 close to the circuit breaker shell 11, and a crank 27 slidingly connected to the outer surface of one end of the energy storage main shaft 26 away from the energy storage main shaft 26, and an energy storage spring 28 hung and installed at one end of the crank 27 away from the energy storage main shaft 26.

[0050] The driven bevel gear 23 is rotatably connected inside the positioning piece 21, and the rotating gear 22, the engagement gear 24 and the driven gear 25 are rotatably connected to the outer surface of the circuit breaker shell 11 in the vertical direction from bottom to top.

[0051] The energy storage main shaft 26 penetrates through the side wall of the circuit breaker shell 11 and extends into the inside of the circuit breaker shell 11 at one end away from the driven gear 25, and the energy storage spring 28 is fixedly connected to the top of the inner wall of the circuit breaker shell 11 at one end away from the crank 27.

[0052] The rotating gear 22 and the driven gear 25 are of the same size, and the engagement gear 24 is one half the size of the rotating gear 22.

[0053] Further embodiments

[0054] Please refer to Figure 3 and Figures 8 to 10 The energy storage structure of the vacuum circuit breaker further comprises a rotating assembly arranged on the outer surface of the circuit breaker shell 11.

[0055] The rotating assembly comprises a driving bevel gear 31 rotatably connected inside the positioning piece 21, a limiting cylinder 32 fixedly connected to the outer surface of the bottom end of the circuit breaker shell 11, a ratchet wheel 33 fixedly connected to the center of the bottom surface of the driving bevel gear 31, a positioning block 36 arranged in abutment on the top of the inner wall of the limiting cylinder 32, a tooth block 34 rotatably connected in a circumferential array at equal intervals on the inner wall of the positioning block 36, a connecting spring 35 fixedly connected to one side of the outer surface of the tooth block 34, and a plug-in piece 37 arranged in abutment on the bottom inner surface of the limiting cylinder 32.

[0056] The driving bevel gear 31 and the driven bevel gear 23 are arranged perpendicular to each other and mesh with each other, and the driving bevel gear 31, the limiting cylinder 32, the ratchet wheel 33, the tooth block 34, the connecting spring 35, the positioning block 36 and the plug-in piece 37 are coaxially arranged, the positioning block 36 is rotatably connected to the inner surface of the limiting cylinder 32, and the plug-in piece 37 is rotatably connected to the inner surface of the limiting cylinder 32.

[0057] The connecting spring 35 is fixedly connected to the inner side surface of the positioning block 36 at the end away from the tooth block 34, and the plug-in part 37 is provided with multiple layers in the vertical direction, the adjacent two layers of plug-in parts 37 are slidably connected to each other, and the diameters of the multiple plug-in parts 37 arranged from top to bottom in the vertical direction gradually increase.

[0058] The tooth block 34 and the positioning block 36 can only rotate in one direction.

[0059] The limiting cylinder 32 is used to limit the positions of the plug-in part 37, the positioning block 36 and the ratchet wheel 33.

[0060] Further embodiments

[0061] Please refer to Figures 4 to 7 The energy storage structure of the vacuum circuit breaker further includes an auxiliary assembly arranged inside the circuit breaker shell 11.

[0062] The auxiliary assembly includes an energy storage auxiliary shaft 41 rotatably connected to the inner wall surface of the circuit breaker shell 11, a limiting shaft 42 fixedly connected to the bottom of the inner surface of the circuit breaker shell 11, a limiting block 43 rotatably connected between the outer surfaces of the energy storage auxiliary shaft 41 and the limiting shaft 42, a pusher 44 arranged in a sleeved manner on the outer surface of the energy storage auxiliary shaft 41, a crank 45 slidably connected to the outer surface of the pusher 44 away from the circuit breaker shell 11, a limiting spring 46 arranged inside the pusher 44, and a plug hole 47 penetratingly arranged in the crank 27.

[0063] The one end of the energy storage auxiliary shaft 41 penetrates the inner wall of the circuit breaker shell 11 and extends to the outside of the circuit breaker shell 11, and the one end extending out of the circuit breaker shell 11 is fixedly connected to the surface center of the meshing gear 24, the energy storage auxiliary shaft 41 and the limiting shaft 42 are located on the same vertical axis, the pusher 44 is composed of a hollow sleeve and an arc-shaped abutting plate rotatably connected to the surface of the hollow sleeve, the hollow sleeve is arranged in a sleeved manner on the outside of the energy storage auxiliary shaft 41, the arc-shaped abutting plate penetrates the circuit breaker shell 11 and extends to the outside of the circuit breaker shell 11, the limiting spring 46 is sleeved on the outer surface of the energy storage auxiliary shaft 41, and the two ends of the limiting spring 46 are fixedly connected to the outer surface of the energy storage auxiliary shaft 41 and the crank 45, respectively, and the plug hole 47 is located on the movement path of the crank 45.

[0064] The limiting shaft 42 and the limiting block 43 are used to limit the position of the energy storage auxiliary shaft 41, and keep the energy storage auxiliary shaft 41 stable during continuous rotation of the energy storage auxiliary shaft 41.

[0065] Embodiment two

[0066] The energy storage method of the vacuum circuit breaker includes the following steps:

[0067] Step one: install the circuit breaker housing 11 at a high position of the building facility, when energy storage operation is needed through the circuit breaker housing 11, the worker inserts the long rod top into the inside of the plug-in part 37 from the ground through the tool such as long rod, and pushes the tooth block 34 up through the plug-in part 37 until the tooth block 34 and the ratchet wheel 33 are in the state of mutual engagement;

[0068] Step two: at this time, the long rod top and the plug-in part 37 are in the state of mutual clamping, rotate the long rod, the positioning block 36 drives the ratchet wheel 33 to rotate through the tooth block 34, the ratchet wheel 33 drives the driving bevel gear 31 to rotate, and further drives the driven bevel gear 23 to rotate, the driven bevel gear 23 drives the energy storage main shaft 26 and the crank 27 to rotate through the meshing gear 24 and the driven gear 25, and further makes the energy storage spring 28 rotate, so as to complete the energy storage operation;

[0069] Step three: when the energy storage main shaft 26 fails after long time use, the energy storage operation cannot be completed through the energy storage main shaft 26, then the worker presses the pusher 44 into the inside of the circuit breaker housing 11, the pusher 44 pushes the handle 45 to move until the handle 45 is clamped into the inside of the insertion hole 47, so as to separate the crank 27 from the energy storage main shaft 26, and make the handle 45 and the crank 27 in the state of clamping;

[0070] Step four: then rotate the long rod again to drive the meshing gear 24 to rotate the handle 45, and further drive the crank 27 to rotate, so that the energy storage spring 28 rotates, thereby completing the energy storage operation again.

[0071] The working process and principle of the above embodiment are as follows:

[0072] Installation of the vacuum circuit breaker:

[0073] The worker installs the vacuum circuit breaker at a high position of the building, and fixes and installs the circuit breaker housing 11 and the surface of the building at a high position through the bolt, then the worker can use the vacuum circuit breaker.

[0074] Energy storage of the vacuum circuit breaker:

[0075] When energy storage operation is needed, the worker cannot touch the vacuum circuit breaker and complete the energy storage operation, at this time, the worker needs to use external tools or climb to a high place to complete the energy storage operation.

[0076] In order to avoid injury to the worker, therefore, the above vacuum circuit breaker is assisted by the long rod when performing energy storage operation, at this time, the worker inserts the long rod into the inside of the plug-in part 37 through the long rod top, and pushes the plug-in part 37 up through the long rod.

[0077] It should be noted that the plug-in part 37 is provided with multiple layers along the vertical direction, the adjacent two layers of plug-in parts 37 are connected with each other in sliding mode, and the diameters of the multiple plug-in parts 37 arranged from top to bottom along the vertical direction gradually increase, so that the long rod can be inserted into the plug-in part 37 regardless of the thickness of the long rod, and the long rod is connected with the plug-in part 37 through clamping, at this time, with the upward movement of the plug-in part 37, the positioning block 36 at the top end of the plug-in part 37 will move upward.

[0078] The tooth block 34 on the positioning block 36 and the connecting spring 35 will move upward until the tooth block 34 and the ratchet wheel 33 are in a mutually adapted state, then the worker can rotate the long rod to drive the plug-in part 37 and the positioning block 36 to move synchronously.

[0079] In the above process, due to the arrangement of the ratchet wheel 33, the tooth block 34 and the connecting spring 35, and the one-way rotation between the tooth block 34 and the positioning block 36, the clamping and adaptation between the tooth block 34 and the teeth of the ratchet wheel 33 only allows the ratchet wheel 33 to rotate unilaterally.

[0080] That is, when the tooth block 34 and the ratchet wheel 33 are in the clamping state, the rotation of the tooth block 34 will drive the driving bevel gear 31 to rotate, thereby driving the driven bevel gear 23 meshing with the driving bevel gear 31 to rotate, then the rotating gear 22 fixedly connected with the driven bevel gear 23 rotates, and then through the meshing of the rotating gear 22 and the meshing gear 24 and the meshing of the meshing gear 24 and the driven gear 25, the driven gear 25 rotates.

[0081] The driven gear 25 drives the energy storage main shaft 26 fixedly connected thereto to rotate, at this time, the crank 27 fixedly connected with the energy storage main shaft 26 will rotate around the connecting point between the crank 27 and the energy storage main shaft 26 as a fulcrum, so that the energy storage spring 28 hooked on the crank 27 repeatedly stretches and contracts, thereby completing the energy storage operation of the vacuum circuit breaker.

[0082] After the energy storage is completed, the long rod needs to be taken out of the plug-in part 37, at this time, the worker needs to rotate the long rod in the reverse direction according to the above steps, and pull the long rod downward, in this state, the tooth block 34 originally in the clamping and adaptation state with the ratchet wheel 33 will be pressed by the teeth of the ratchet wheel 33, forcing the tooth block 34 to rotate around the connecting point between the tooth block 34 and the positioning block 36 as a fulcrum, and in the rotating process, the connecting spring 35 between the tooth block 34 and the positioning block 36 will be compressed, thereby shrinking.

[0083] Therefore, in the process of taking out the long rod by reversing the rotation, the ratchet wheel 33 will not drive the energy storage main shaft 26 to rotate, thereby avoiding affecting the energy storage operation of the vacuum circuit breaker which has been completed.

[0084] The energy storage operation of the vacuum circuit breaker can be quickly completed through the energy storage spindle 26, the energy storage spring 28, the rotating gear 22, the ratchet wheel 33, the tooth block 34 and the connecting spring 35, and when the vacuum circuit breaker is installed at a high place of a building, the energy storage operation of the vacuum circuit breaker can also be completed through simple tools. Traditional manual energy storage requires personnel to climb to the vicinity of the equipment or even operate in the air, which is dangerous. However, the structure allows the use of long-handled levers, extension rods and other simple tools for remote control, and the operator does not need to directly touch high-voltage components or be in a dangerous position, which greatly reduces the probability of personal injury.

[0085] The plug-in part 37 is provided to facilitate the plug-in installation of rod-shaped tools of various sizes, thereby completing the energy storage operation without the need for special tools.

[0086] The ratchet wheel 33, the tooth block 34 and the connecting spring 35 are provided to enable the energy storage spindle 26 to rotate in only one direction to complete the energy storage operation, and when the tool is rotated in the reverse direction, the energy storage spindle 26 will not be rotated in the reverse direction, thereby avoiding affecting the energy storage operation of the energy storage spring 28. Through the one-way engagement characteristics of the ratchet wheel 33 mechanism, only the operation tool can drive the spindle to rotate in a specific direction to compress the energy storage spring 28. This forced guidance avoids reverse rotation caused by misoperation, ensures that all energy can be effectively injected into the spring system each time the energy is stored, and improves the reliability and consistency of the closing action. In addition, when the tool is rotated in the reverse direction, the ratchet wheel 33 will be disengaged from the tooth block 34 to block the power transmission path. This physical decoupling mechanism can prevent the stored energy from being lost due to reverse force, ensuring that the energy storage state can be maintained stably even in a complex vibration environment.

[0087] Continued use after failure of the energy storage structure:

[0088] When the staff realizes that the energy storage spindle 26 cannot be normally used due to tooth wear caused by long-time engagement between the teeth of the energy storage spindle 26 and the teeth of the gear, the staff uses a tool to push the pusher 44 into the circuit breaker housing 11, and the pusher 44 drives the handle 45 to slide on the surface of the energy storage auxiliary shaft 41 in the direction of the crank 27, so that the top end of the handle 45 is inserted into the insertion hole 47 in the crank 27.

[0089] In the above process, the limiting spring 46 arranged between the handle 45 and the surface of the energy storage auxiliary shaft 41 is in a stretched state under force. With the continuous pushing of the handle 45, the crank 27 is moved on the surface of the energy storage main shaft 26 until the crank 27 is separated from the surface of the energy storage main shaft 26. In this state, the crank 27 and the handle 45 are in a fixed state of insertion. With the rotation of the energy storage auxiliary shaft 41 under the action of the meshing gear 24, the handle 45 drives the crank 27 to continue to rotate, thereby completing the energy storage operation of the energy storage spring 28 again.

[0090] It should be noted that since the pushing member 44 is composed of a hollow sleeve and an arc-shaped abutting plate rotatably connected to the surface of the hollow sleeve, the hollow sleeve is arranged outside the energy storage auxiliary shaft 41, and the arc-shaped abutting plate penetrates through the circuit breaker housing 11 and extends outside the circuit breaker housing 11. Therefore, when the energy storage auxiliary shaft 41 drives the handle 45 to rotate, the existence of the pushing member 44 does not affect the rotation of the energy storage auxiliary shaft 41 and the energy storage operation of the energy storage spring 28.

[0091] Through the arrangement of the pushing member 44, the handle 45 and the energy storage auxiliary shaft 41, when the energy storage main shaft 26 cannot complete the energy storage operation due to long-term use or fault influence, the energy storage auxiliary shaft 41 can replace the energy storage main shaft 26 to move and complete the energy storage operation. When the energy storage main shaft 26 cannot work due to wear, jamming or broken teeth, etc., the energy storage auxiliary shaft 41 can immediately take over the energy storage function to ensure that the circuit breaker can still normally open and close. In addition, the energy storage main shaft 26 and the energy storage auxiliary shaft 41 can be alternately used by the workers to disperse the mechanical load and reduce the fatigue accumulation of a single component.

[0092] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0093] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An energy storage structure for a vacuum circuit breaker, comprising a circuit breaker housing (11), wherein ceramic insulators (12) are fixedly mounted at equal intervals on the upper surface of the circuit breaker housing (11), characterized in that: It also includes an energy storage component disposed inside the circuit breaker housing (11); The energy storage component includes a positioning member (21) fixedly connected to the outer surface of one side of the circuit breaker housing (11). A rotating gear (22) is rotatably connected inside the positioning member (21). A driven bevel gear (23) is fixedly connected at the center of the rotating gear (22) on the side away from the circuit breaker housing (11). A meshing gear (24) meshes with the top tooth surface of the rotating gear (22). A driven gear (25) meshes with the tooth surface of the meshing gear (24) on the side away from the rotating gear (22). An energy storage main shaft (26) is fixedly connected at the center of the driven gear (25) on the side near the circuit breaker housing (11). A crank (27) is slidably connected to the outer surface of the end of the energy storage main shaft (26) away from the driven gear (25). An energy storage spring (28) is hung on the end of the crank (27) away from the energy storage main shaft (26). It also includes auxiliary components disposed inside the circuit breaker housing (11); The auxiliary components include an energy storage auxiliary shaft (41) rotatably connected to the inner wall surface of the circuit breaker housing (11), a limit shaft (42) fixedly connected to the bottom of the inner surface of the circuit breaker housing (11), a limit block (43) rotatably connected between the outer surfaces of the energy storage auxiliary shaft (41) and the limit shaft (42), a pusher (44) sleeved on the outer surface of the energy storage auxiliary shaft (41), a crank (45) slidably connected to the outer surface of the pusher (44) away from the circuit breaker housing (11), a limit spring (46) is provided inside the pusher (44), and a socket (47) is provided through the inside of the crank (27).

2. The energy storage structure of a vacuum circuit breaker according to claim 1, characterized in that: The driven bevel gear (23) is rotatably connected inside the positioning member (21), and the rotating gear (22), meshing gear (24) and driven gear (25) are rotatably connected to the outer surface of the circuit breaker housing (11) from bottom to top in the vertical direction.

3. The energy storage structure of a vacuum circuit breaker according to claim 1, characterized in that: The end of the energy storage spindle (26) away from the driven gear (25) passes through the side wall of the circuit breaker housing (11) and extends into the interior of the circuit breaker housing (11). The end of the energy storage spring (28) away from the crank (27) is fixedly connected to the top of the inner wall of the circuit breaker housing (11).

4. The energy storage structure of a vacuum circuit breaker according to claim 1, characterized in that: It also includes a rotating assembly disposed on the outer surface of the circuit breaker housing (11); The rotating assembly includes an active bevel gear (31) rotatably connected inside the positioning member (21), a limiting cylinder (32) fixedly connected to the outer surface of the bottom end of the circuit breaker housing (11), a ratchet (33) fixedly connected to the center of the bottom surface of the active bevel gear (31), a positioning block (36) is attached to the top of the inner wall of the limiting cylinder (32), toothed blocks (34) are rotatably connected to the inner wall of the positioning block (36) in a circumferential array, a connecting spring (35) is fixedly connected to the outer surface of one side of the toothed blocks (34), and a plug-in member (37) is attached to the inner surface of the bottom of the limiting cylinder (32).

5. The energy storage structure of a vacuum circuit breaker according to claim 4, characterized in that: The driving bevel gear (31) and the driven bevel gear (23) are arranged perpendicularly to each other and mesh with each other. The driving bevel gear (31), the limiting cylinder (32), the ratchet (33), the tooth block (34), the connecting spring (35), the positioning block (36) and the plug (37) are arranged coaxially. The positioning block (36) is rotatably connected to the inner surface of the limiting cylinder (32), and the plug (37) is rotatably connected to the inner surface of the limiting cylinder (32).

6. The energy storage structure of a vacuum circuit breaker according to claim 4, characterized in that: The end of the connecting spring (35) away from the tooth block (34) is fixedly connected to the inner surface of the positioning block (36). The plug-in (37) is arranged in multiple layers along the vertical direction. The two adjacent layers of plug-in (37) are slidably connected to each other, and the diameter of the multiple plug-in (37) arranged from top to bottom along the vertical direction gradually increases.

7. The energy storage structure of a vacuum circuit breaker according to claim 1, characterized in that: One end of the energy storage auxiliary shaft (41) penetrates the inner wall of the circuit breaker housing (11) and extends to the outside of the circuit breaker housing (11). The end extending to the outside of the circuit breaker housing (11) is fixedly connected to the center of the surface of the meshing gear (24). The energy storage auxiliary shaft (41) and the limiting shaft (42) are located on the same vertical axis. The pusher (44) consists of a hollow sleeve and an arc-shaped abutment plate rotatably connected to the surface of the hollow sleeve. The hollow sleeve is sleeved on the outside of the energy storage auxiliary shaft (41). The arc-shaped abutment plate penetrates the circuit breaker housing (11) and extends to the outside of the circuit breaker housing (11). The limiting spring (46) is sleeved on the outer surface of the energy storage auxiliary shaft (41). The two ends of the limiting spring (46) are fixedly connected to the crank handle (45) and the outer surface of the energy storage auxiliary shaft (41), respectively. The socket (47) is located on the movement path of the crank handle (45).

8. An energy storage method for a vacuum circuit breaker, applicable to the energy storage structure of the vacuum circuit breaker as described in claim 1, characterized in that, Includes the following steps: Step 1: Install the circuit breaker housing (11) at a high position in the building facility. When energy storage operation is required through the circuit breaker housing (11), the staff uses a long rod tool to insert the top of the long rod into the plug (37) from the ground, and pushes the toothed block (34) upward through the plug (37) until the toothed block (34) and the ratchet (33) are engaged with each other. Step 2: At this time, the top of the long rod and the connector (37) are in a mutually engaged state. Rotate the long rod, and the positioning block (36) drives the ratchet (33) to rotate through the tooth block (34). The ratchet (33) drives the active bevel gear (31) to rotate, which in turn drives the driven bevel gear (23) to rotate. The driven bevel gear (23) drives the energy storage main shaft (26) and the crank (27) to rotate through the meshing gear (24) and the driven gear (25), which in turn causes the energy storage spring (28) to rotate, thereby completing the energy storage operation. Step 3: When the energy storage spindle (26) malfunctions after long-term use and cannot complete the energy storage operation through the energy storage spindle (26), the staff will press the pusher (44) into the circuit breaker housing (11) so that the pusher (44) pushes the crank (45) to move until the crank (45) is engaged in the socket (47), thereby disengaging the crank (27) from the energy storage spindle (26) and making the crank (45) and crank (27) in a locked state; Step 4: Then, the long rod is rotated again, causing the meshing gear (24) to drive the crank (45) to rotate, which in turn drives the crank (27) to rotate, causing the energy storage spring (28) to rotate, thus completing the energy storage operation again.

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