A kind of opening and closing operation rod and switch assembly

Abstract

The application relates to the technical field of switching-on and switching-off, and provides a switching-on and switching-off operating rod and a switch assembly. The switching-on and switching-off operating rod comprises an insulating rod, a rotating piece, an elastic piece and a driving assembly. The insulating rod is provided with a first end and a second end which are spaced apart along a radial direction. The rotating piece is hingedly connected to the first end. One end of the elastic piece is arranged at the first end. The other end of the elastic piece is connected to the free end of the rotating piece. The driving assembly is arranged at the second end and connected to the free end of the rotating piece. The driving assembly is used for driving the rotating piece to rotate towards the side close to the second end and compressing the elastic piece. The rotating piece is provided with an insulating part. When the driving assembly stops driving the rotating piece to rotate, the elastic piece is reset and drives the rotating piece to rotate towards the side away from the second end. The insulating part is used for driving the moving contact of a switch piece to complete the switching-on or switching-off action. The application can solve the problem of low operation efficiency of the switching-on and switching-off operating rod.

Description

Technical Field

[0001] This application relates to the field of circuit breaker opening and closing technology, and in particular to a circuit breaker opening and closing operating lever and switch assembly. Background Technology

[0002] In the operation and maintenance of high-voltage power distribution equipment, insulated operating rods are usually used to perform remote manual operation on live equipment such as drop-out fuses and disconnect switches.

[0003] However, existing insulated operating rods mainly serve a mechanical transmission function, and during operation, they rely heavily on personnel experience to judge the equipment status, making it difficult to obtain reference information on conductor current before operation; at the same time, their opening and closing actions depend on continuous manual force application, which is easily affected by force control and operating angle.

[0004] In related technologies, the opening and closing control lever suffers from low operating efficiency. Summary of the Invention

[0005] This application provides a circuit breaker operating lever and switch assembly, which can solve the problem of low operating efficiency of the circuit breaker operating lever.

[0006] To achieve the above objectives, this application adopts the following technical solution:

[0007] In a first aspect, this application provides a circuit breaker operating lever for driving switching components to complete closing or opening actions. The circuit breaker operating lever includes:

[0008] An insulating rod having a first end and a second end spaced radially apart;

[0009] A rotating component, hinged to the first end;

[0010] An elastic element, one end of which is located at the first end, and the other end of which is connected to the free end of the rotating element;

[0011] A drive assembly is located at the second end and connected to the free end of the rotating member. The drive assembly is used to drive the rotating member to rotate toward the side closer to the second end and compress the elastic member.

[0012] The rotating component has an insulating part. When the drive assembly stops driving the rotating component to rotate, the elastic part resets and drives the rotating component to rotate toward the side away from the second end. The insulating part is used to drive the moving contact of the switch to complete the closing or opening action.

[0013] In some possible implementations, an insulating layer is provided on the surface of the rotating member facing away from the elastic member, and the insulating layer forms an insulating part;

[0014] Alternatively, the rotating component may be made of insulating material, with an insulating portion formed on the side of the rotating component facing away from the elastic component.

[0015] In some possible implementations, the drive assembly includes a drive end and a transmission end connected by a drive end, the drive end being located at the second end, the end of the transmission end opposite to the drive end being connected to the rotating member, and the transmission end extending radially along the insulating rod.

[0016] The drive end is used to drive the transmission end to move toward the side closer to the second end.

[0017] In some possible implementations, the driving component includes:

[0018] A first guide member is provided at the second end, and the first guide member extends radially along the insulating rod;

[0019] The second guide member is slidably connected to the first guide member, and the first and second guide members cooperate to form the driving end;

[0020] The rope component has one end connected to the second guide member and the other end connected to the rotating member, forming a transmission end.

[0021] In some possible implementations, the insulating rod includes:

[0022] The first member forms the second end;

[0023] The second member is connected to the first member;

[0024] A first support member is provided at one end of the second rod member away from the first rod member. The first support member forms a first end and has a first through hole. The rope member of the drive assembly passes through the first through hole.

[0025] In some possible implementations, the first through hole is concentrically arranged with the elastic element;

[0026] Alternatively, the first through hole and the elastic element are spaced apart along the radial direction intersecting the insulating rod.

[0027] In some possible implementations, it also includes:

[0028] The second support member is located at the end of the first support member away from the second rod member. The side of the second support member away from the first support member has a receiving groove, and the rotating member is hinged in the receiving groove.

[0029] Along the radial direction intersecting the insulating rod, the second support member and the elastic member are spaced apart.

[0030] In some possible implementations, it also includes:

[0031] The reinforcement component is fitted onto the outer periphery of the first member and connected to the second member;

[0032] A guide member is provided in at least one of the first rod member, the second rod member, and the reinforcing member, and a second through hole is provided on the guide member, through which the rope member passes.

[0033] In some possible implementations, at least one of the first rod member and / or the second rod member is a telescopic structure.

[0034] Secondly, this application provides a switching assembly, comprising:

[0035] Base

[0036] The moving contact is movably mounted on the base;

[0037] The stationary contact is located on the base;

[0038] The aforementioned type of opening and closing operating lever is mounted on the base;

[0039] The insulating part of the opening and closing operating lever drives the moving contact to move, thereby causing the moving contact and stationary contact to separate and / or come into contact;

[0040] When the insulating part drives the moving contact and the stationary contact to separate, the opening and closing operation rod is used to drive the switching components to complete the opening action;

[0041] When the insulating part drives the moving contact and the stationary contact to abut, the opening and closing operating lever is used to drive the switching components to complete the closing action.

[0042] This type of operating lever uses an insulating rod as the main support and insulating isolation structure, and sets the rotating part as a swingable actuator. Utilizing the energy storage and rebound characteristics of the elastic element during the driving phase and release phase, the manual force input to the drive assembly no longer relies solely on continuous force. Instead, it is first converted into an energy storage state in the rotating and elastic elements. Then, the elastic element provides stable restoring force after the drive stops, thereby driving the insulating part to perform closing or opening operations on the moving contact. During operation, the operator first applies force to the rotating part through the drive assembly at the second end of the insulating rod, causing the rotating part to rotate around the hinge point at the first end towards the second end. Simultaneously, the elastic element is compressed and stores elastic potential energy. When the rotating part reaches the predetermined operating state, the force is stopped, and the elastic element immediately resets and pushes the rotating part away from the second end. During this rebound process, the insulating part on the rotating part stably contacts and drives the moving contact of the switch to complete the target opening or closing operation. Therefore, the action input during the operation process is decomposed into three consecutive stages: driving, energy storage and release. This makes the force direction of the contacts clearer, the action rhythm more controllable, and reduces the impact of unstable continuous manual force, rod swing or position deviation. This improves the consistency, accuracy and safety of remote switch operation and reduces the operator's workload.

[0043] Therefore, the opening and closing operating lever provided in this application can solve the problem of low operating efficiency of the opening and closing operating lever. Attached Figure Description

[0044] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0045] Figure 1 This is a schematic diagram of the main structure of the opening and closing operating lever provided in an embodiment of this application.

[0046] Explanation of reference numerals in the attached figures:

[0047] 100 - Insulating rod; 101 - First rod component; 102 - Second rod component; 103 - First support component;

[0048] 200 - Rotating component;

[0049] 300 - Elastic component;

[0050] 400 - Drive assembly; 401 - First guide member; 402 - Second guide member; 403 - Rope component;

[0051] 500 - Second support component;

[0052] 600 - Reinforcement Equipment;

[0053] 700-Guide Component. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0055] In the field of high-voltage power distribution equipment operation and maintenance, switching components such as drop-out fuses and disconnectors often need to be opened and closed under energized or near-energized conditions.

[0056] Since the aforementioned equipment is usually installed on power line poles, box-type equipment, or high outdoor locations, it is difficult for on-site workers to directly access the moving contact part. They usually need to use an insulated operating rod to complete the remote drive.

[0057] Such work scenarios not only require the operating tools to have good insulation performance to ensure a sufficient safe distance between personnel and high-voltage live parts, but also require the operating tools to stably transmit the actions applied by the personnel to the switching components, so that the moving contact can complete the opening and closing action in the predetermined direction.

[0058] In actual power distribution operation and maintenance systems, operating levers often need to be compatible with a variety of switching equipment. They must not only meet the usage requirements in complex outdoor environments, but also take into account operational accuracy, operational reliability, and continuous operation efficiency. Therefore, their structural design is directly related to the safety level of high-voltage switch operation and the quality of on-site work.

[0059] Most existing insulated operating rods adopt a simple combination structure of rod body and end operating head. The basic idea is that, under the premise of maintaining insulation isolation, the operator applies mechanical action such as pushing, pulling, picking or pressing to the equipment by holding the rod body, so that the moving contact of the switch can complete the opening or closing action.

[0060] In practical use, such technical solutions are essentially still mechanical transmission methods that require continuous manual force application. This means that personnel need to control the direction, magnitude, and rhythm of the force application under a long lever arm and rely on experience to judge whether the switching components are in a suitable operating state.

[0061] When driving a drop-out fuse or disconnector, if there is a slight deviation between the relative position of the rod end and the target part, or if the rod swings or deflects during operation, it is easy to cause inaccurate force direction, uneven force on the moving contact, or incomplete action.

[0062] Especially in situations involving working at heights, in windy or rainy weather, or in confined spaces, the stability of personnel's control over the pole will further decrease, resulting in poor consistency in opening and closing actions.

[0063] At the same time, existing control levers usually only serve to transmit force and lack an energy storage and reset mechanism that can generate a relatively stable output action when released. Therefore, when it is necessary to quickly disconnect or reliably close, the operator often has to rely on continuous force to complete the entire process. This not only increases the labor intensity, but also makes the action result greatly affected by the individual's skill level.

[0064] Insufficient force may result in incomplete operation of the switching components; excessive force may cause excessive operational impact, positional deviation, or even equipment damage.

[0065] Furthermore, existing solutions often fail to provide personnel with sufficient information to assess the situation before actual operation. Personnel can only make operational decisions based on their on-site experience, resulting in problems such as insufficient accuracy of actions, low operational safety, and unstable efficiency in the remote operation of high-voltage equipment.

[0066] Therefore, how to improve the controllability and consistency of the opening and closing actions of switching components while maintaining insulation is an urgent technical problem to be solved.

[0067] To address the aforementioned technical problems, a closing / opening operating lever is provided. This lever uses an insulating rod as its main support structure. A rotating component is hinged to the first end of the insulating rod, and an elastic element connects the first end to the free end of the rotating component. A drive assembly connected to the free end of the rotating component is located at the second end of the insulating rod. In use, the drive assembly drives the rotating component to rotate towards the side closer to the second end, compressing the elastic element. When the drive assembly stops, the elastic element resets and drives the rotating component to rotate away from the second end. The insulating part on the rotating component acts on the moving contact of the switching element, thereby completing the closing or opening action. This technical approach transforms continuous manual force application into a combined action mode of driving, energy storage, and release, making it easier to achieve stable output during switching operation, thus helping to improve the accuracy, safety, and operational efficiency of remote operation of high-voltage equipment.

[0068] like Figure 1 As shown in the figure, this application embodiment provides a circuit breaker operating lever, including an insulating rod 100, a rotating member 200, an elastic member 300, and a driving assembly 400. The insulating rod 100 has a first end and a second end arranged radially at intervals. The rotating member 200 is hinged to the first end. One end of the elastic member 300 is located at the first end, and the other end of the elastic member 300 is connected to the free end of the rotating member 200. The driving assembly 400 is located at the second end and connected to the free end of the rotating member 200. The driving assembly 400 is used to drive the rotating member 200 to rotate toward the side closer to the second end and compress the elastic member 300. The rotating member 200 has an insulating part. When the driving assembly 400 stops driving the rotating member 200 to rotate, the elastic member 300 resets and drives the rotating member 200 to rotate toward the side away from the second end. The insulating part is used to drive the moving contact of the switch to complete the closing or opening action.

[0069] It should be noted that the insulating rod 100 is the main support component used to support various functional components and realize electrical isolation between the operator and the live parts. It forms a force transmission skeleton for long-distance operation in the overall structure and provides an installation reference and force support for the rotating part 200, the elastic part 300 and the drive assembly 400.

[0070] Furthermore, in terms of physical position, the insulating rod 100 forms a first end and a second end opposite to each other along its length. The first end is used to form the hinge and reset area of ​​the working end, and the second end is used to form the force application end and the drive input end. The two are arranged at intervals by the rod itself to ensure that the operator can complete the action transmission while away from the switch.

[0071] Furthermore, in terms of shape and material, the insulating rod 100 can be a straight rod structure, a foldable rod structure, or a segmented spliced ​​rod structure. It can also be made of glass fiber reinforced epoxy resin, polyester resin composite insulating material, or high-strength insulating plastic to meet the requirements of insulation strength, bending stiffness, and portability in outdoor high-voltage operations.

[0072] Furthermore, in terms of size and proportion, the length of the insulating rod 100 can be configured according to the working distance and equipment installation height, typically forming a range of approximately one meter to several meters. The ratio of its rod diameter to length can be selected based on mechanical strength and insulation requirements to balance operational stability and safe distance.

[0073] It should be noted that the rotating component 200 is a working end component that is hinged to the first end of the insulating rod 100 and swings around the hinge point under the driving action. Its function is to convert the motion from the driving component 400 and the elastic component 300 into actual tossing or pushing action on the moving contact of the switch, thereby realizing the execution of opening or closing the switch.

[0074] Furthermore, in terms of position and relationship, the rotating component 200 is hinged to the first end of the insulating rod 100, allowing it to swing relative to the insulating rod 100 within a predetermined angle range. Its free end forms a linkage interface with the elastic component 300 and the drive assembly 400, respectively, which facilitates the switching of force during energy storage and release.

[0075] Furthermore, in terms of shape and material, the rotating part 200 can be constructed as a striking arm, a swing arm, or an arc-shaped actuating plate. It can also be made of a metal frame covered with an insulating layer, an integral insulating material molded part, or a metal and insulating material composite part, so as to improve the insulation and isolation performance of high-voltage parts while ensuring the working strength.

[0076] Furthermore, in terms of size and proportion, the rotating component 200 can typically be formed with an arm length that is several orders of magnitude greater than its thickness. The length ratio of its working end to its hinge end can be selected according to the operating stroke of the switching component, so as to obtain a suitable output swing angle and contact stroke under conditions of small input displacement.

[0077] It should be noted that the elastic element 300 is an energy storage and reset element disposed between the first end of the insulating rod 100 and the free end of the rotating element 200. Its function is to store elastic potential energy after being compressed by the driving component 400, and to provide a rebound force after the external force is released to drive the rotating element 200 to swing in the opposite direction, so that the insulating part can drive the moving contact to complete the target action with a more stable movement trend.

[0078] Furthermore, in terms of position and relationship, one end of the elastic element 300 is located at the first end of the insulating rod 100, and the other end is connected to the free end of the rotating element 200, so that it is compressed and released synchronously during the swing of the rotating element 200, and forms a return torque after the driving component 400 stops applying force.

[0079] Furthermore, in terms of shape and material, the elastic element 300 can be a helical compression spring, torsion spring, or leaf spring, or it can be made of spring steel, stainless steel spring wire, or composite elastic material to adapt to the action force and rebound characteristics required by different switching components.

[0080] Furthermore, in terms of size and proportion, the free length, compression stroke, and stiffness of the elastic element 300 can be matched with the swing angle of the rotating element 200, so that it can meet the energy storage requirements without affecting its service life due to excessive compression.

[0081] It should be noted that the drive assembly 400 is a drive mechanism located at the second end of the insulating rod 100 and connected to the free end of the rotating member 200. Its function is to input directional mechanical action to the rotating member 200, causing the rotating member 200 to rotate toward the side closer to the second end and compress the elastic member 300, thereby completing the pre-drive and energy storage preparation before the action.

[0082] Furthermore, in terms of position and relationship, the drive assembly 400 is arranged at the second end of the insulating rod 100, which makes it convenient for the operator to apply operating force at a position away from the switch, and its output end is connected to the free end of the rotating member 200 to ensure that the input action can be converted into the swing displacement of the rotating member 200.

[0083] Furthermore, in terms of form and material, the drive component 400 can be constructed as a pull-type structure, a push-type structure, or a guide-sliding structure. It can also be made of metal parts, engineering plastic parts, or insulating composite materials to adapt to different operating habits, structural layouts, and insulation requirements.

[0084] Furthermore, in terms of size and proportion, a corresponding relationship is established between the stroke of the drive component 400 and the angular displacement of the rotating component 200, and the requirements for effective compression and energy storage of the elastic component 300 should be met, thereby providing a basis for subsequent rebound action after the drive stops.

[0085] It should be noted that the insulating part is an insulating area set on the rotating part 200. Its function is to directly or indirectly contact the moving contact of the switch during the swing of the rotating part 200, and to safely transmit the mechanical movement of the rotating part 200 to the switch under electrical isolation conditions, thereby completing the closing or opening action.

[0086] Furthermore, in terms of position and relationship, the insulating part is usually disposed on the side of the rotating member 200 away from the elastic member 300, serving as the working surface for actual contact or pushing of the contact, so that it can exert a stabilizing effect on the target part when the rotating member 200 rebounds.

[0087] Furthermore, in terms of form and material, the insulation part can be an insulating coating area, an insulating covering layer, an integral insulating end, or an integrally formed insulating section. It can also be formed by insulating coating, heat-shrinkable insulating sleeve, epoxy insulating layer, or ceramic or plastic insulating parts to ensure that the necessary electrical safety distance is maintained in a high-voltage environment.

[0088] Furthermore, in terms of size and proportion, the coverage of the insulation part should at least meet the main working surface in contact with the moving contact, and the corresponding covering thickness and contact width can be set according to the shape of the rotating part 200, so as to ensure the insulation performance without affecting the transmission of mechanical action.

[0089] It is understood that the opening and closing operating lever provided in this application embodiment uses the insulating rod 100 as the main support and insulating isolation structure, sets the rotating member 200 as a swingable actuating member, and utilizes the characteristics of the elastic member 300 storing energy in the driving phase and rebounding in the releasing phase, so that the manual force input by the driving component 400 no longer relies solely on continuous force, but is first converted into the energy storage state in the rotating member 200 and the elastic member 300, and then the elastic member 300 provides stable restoring power after the driving stops, thereby driving the insulating part to perform closing or opening operation on the moving contact. During operation, the operator first applies force to the rotating component 200 via the drive assembly 400 at the second end of the insulating rod 100, causing the rotating component 200 to rotate around the hinge point at the first end towards the side closer to the second end. Simultaneously, the elastic component 300 is compressed and stores elastic potential energy. When the rotating component 200 reaches the predetermined action state, the force application stops, and the elastic component 300 immediately resets and pushes the rotating component 200 to rotate away from the second end. During this rebound process, the insulating part on the rotating component 200 stably contacts and drives the moving contact of the switch to complete the target opening and closing action. Thus, the action input during operation is decomposed into three consecutive stages: driving, energy storage, and release. This makes the force direction of the contact clearer, the action rhythm more controllable, and reduces the impact of unstable continuous manual force application, rod swaying, or positional deviation. This improves the consistency, accuracy, and safety of remote switch operation and reduces the operator's workload.

[0090] It should be understood that the above examples are merely illustrative and not limiting. Without departing from the concept of this application, the insulating rod 100, rotating part 200, elastic part 300, driving assembly 400 and insulating part can be replaced or modified in an equivalent manner according to the actual switch structure and on-site usage requirements.

[0091] In one possible implementation, an insulating layer is provided on the side surface of the rotating member 200 that is away from the elastic member 300, and the insulating layer forms an insulating part; or, the rotating member 200 is made of insulating material, and the side surface of the rotating member 200 that is away from the elastic member 300 forms an insulating part.

[0092] It should be noted that the insulating layer or the insulating part formed by the working surface of the rotating part 200 made of insulating material is an electrical isolation functional area set on the side of the rotating part 200 facing the switch. Its essence is to ensure that the rotating part 200 can complete the rotational engagement with the drive assembly 400 and the elastic member 300, while ensuring that the rotating part 200 still has sufficient insulation performance when it comes into contact with or is in close contact with the high-voltage switch.

[0093] Furthermore, the function of this insulating part is to prevent the conductive metal surface from directly contacting the live parts when the rotating part 200 participates in driving the moving contact of the drop-out fuse, disconnector, and other switching components. This allows the end of the operating rod to both perform mechanical actuation, pushing, or traction and provide insulation, thereby improving the safety and reliability of long-distance live operation.

[0094] Furthermore, in terms of its position and relationship, the insulating layer is usually disposed on the side surface of the rotating member 200 that is away from the elastic member 300, that is, the outermost contact surface is formed on the side of the rotating member 200 facing the external working object, or when the rotating member 200 as a whole is made of insulating material, the side surface away from the elastic member 300 is naturally formed as an insulating part.

[0095] Furthermore, in specific assembly, the insulating layer can be fixed to the rotating part 200 by means of bonding, covering, heat shrinking, spraying or injection molding, and the insulating part swings around the hinge point together with the rotating part 200, and outputs a force in a predetermined direction when it touches the moving contact of the switch.

[0096] Furthermore, in terms of form and material, an exemplary implementation includes spraying an epoxy resin insulating coating onto the surface of the metal rotating part 200 to form a continuous coating.

[0097] Alternatively, a polyvinyl chloride, silicone rubber, or heat-shrinkable insulating layer can be wrapped around the outer periphery of the rotating part 200 to form an elastic insulating outer skin on the working surface.

[0098] Alternatively, integrally injection molded glass fiber reinforced plastic, nylon reinforced material, or epoxy resin-based insulating components can be used to directly enable the rotating part 200 to have insulating properties and form an insulating part.

[0099] Alternatively, the same function can be achieved by covering a metal substrate with an insulating film, partially embedding insulating blocks, or fixing an insulating head separately at the end.

[0100] Furthermore, in terms of size and proportion, the insulation layer thickness can be set from approximately 0.1 mm to 5 mm, depending on the operating voltage level, mechanical wear conditions, and withstand voltage requirements.

[0101] If a layered structure is adopted, its inner diameter is usually clearance fit or slight interference fit with the outer diameter of the rotating part 200 to ensure that it does not fall off, slip or loosen significantly during repeated rotation.

[0102] If an integral insulation material structure is adopted, the working surface length, width and curvature of the insulation part should be adapted to the contact area of ​​the moving contact of the switch to make the force more uniform. Usually, the proportional matching design can be carried out according to different switch models.

[0103] Understandably, the drive assembly 400 is located at the second end of the insulating rod 100 and applies a force to the free end of the rotating member 200, causing the rotating member 200 to rotate around its hinge point at the first end of the insulating rod 100 toward the side closer to the second end. At the same time, the elastic member 300 gradually compresses and stores elastic potential energy. At this time, the insulating part located on the side of the rotating member 200 away from the elastic member 300 enters the working posture synchronously with the rotating member 200 and moves toward the moving contact of the switch. When the drive assembly 400 stops driving, the elastic member 300 relies on the release of the stored elastic potential energy to push the rotating member 200 to swing in the opposite direction, so that the insulating part acts on the moving contact at a relatively stable speed and direction, thereby completing the opening or closing action. Since the insulating part is located on the side of the rotating part 200 facing the target equipment and directly undertakes the contact or near-contact function, it can effectively isolate the direct electrical connection between the conductive part and the live part while realizing mechanical transmission, reducing the risk of accidental electric shock and the hidden danger of partial discharge. At the same time, since the insulating part moves as an integral part with the rotating part 200, its action path and force state are consistent with the body of the rotating part 200, which can reduce the problem of unstable operation caused by end contact surface conductivity, wear or assembly deviation, making the opening and closing process of the switch more consistent, stable and convenient for remote control.

[0104] It should be understood that the above examples are for illustrative purposes only and are not intended to be limiting.

[0105] The drive assembly 400 provided in the embodiments of this application includes a drive end and a transmission end connected by transmission. The drive end is located at the second end, and the end of the transmission end opposite to the drive end is connected to the rotating member 200. The transmission end extends radially along the insulating rod 100. The drive end is used to drive the transmission end to move toward the side closer to the second end.

[0106] It should be noted that the driving end can be understood as an input component located at the second end of the insulating rod 100, which allows the operator to apply external force, and the transmission end can be understood as an output component that transmits the displacement or force of the driving end to the free end of the rotating part 200.

[0107] Furthermore, the function of this structure is to convert the pushing, pulling or rotating force applied by the operator at the far end of the insulating rod 100 into the movement of the transmission end in a predetermined direction via the drive end, and then further act on the rotating member 200, so that the rotating member 200 completes the pre-drive and compresses the elastic member 300 in a controlled state, thereby providing energy storage conditions for the rapid rotation brought about by the subsequent reset of the elastic member 300.

[0108] Furthermore, since the drive end is located at the second end, it is situated on the side of the operating lever that is convenient for holding and applying force, and can typically be arranged in the form of a handle, push block, paddle, pull ring, or knob.

[0109] Furthermore, the transmission end extends outward from the drive end and is connected to the rotating member 200. The transmission end extends radially along the insulating rod 100 so that its direction of motion is significantly offset relative to the axis of the insulating rod 100, which facilitates the conversion of external input into the swinging motion required by the rotating member 200.

[0110] For example, in one possible embodiment, the transmission end can be a rigid connecting rod, push rod, guide slide rod or hinged connecting rod, one end of which is connected to the driving end through a pin, slide groove, threaded pair or other equivalent transmission structure, and the other end is connected to the free end of the rotating member 200 to form a force-transmitting connection.

[0111] For example, in another possible embodiment, the driving end can be a slider that can move along the axial direction of the rod, and the transmission end can be a radial push arm integrally formed with the slider; the transmission connection between the driving end and the transmission end can also be achieved by means of eccentric wheel, rack and pinion, flexible cable, etc.

[0112] It should be noted that the material of the transmission end can be metal, glass fiber reinforced plastic, insulating engineering plastic, or metal parts with an insulating layer on the surface, so as to balance mechanical strength and insulation requirements. Among them, metal parts are easy to withstand large operating loads, glass fiber reinforced plastic and insulating engineering plastic are beneficial to weight reduction and weather resistance, while metal parts with an insulating layer on the surface can meet electrical isolation requirements while maintaining strength.

[0113] It should be noted that, in terms of shape, the transmission end can be in the form of a straight rod, an L-shaped arm, a strip, or a sleeve. Its radial extension length should match the installation space near the second end of the insulating rod 100 and meet the requirements for stable connection with the free end of the rotating part 200.

[0114] For example, the effective length of the transmission end can be set to 20% to 100% of the exposed length of the second end, depending on the size of the insulating rod 100 and the structure of the target switch. The thickness or diameter is preferably such that it can withstand the transmitted load without significantly increasing the operating resistance, for example, it can be in the range of several millimeters to tens of millimeters.

[0115] It should be understood that the above examples are for illustrative purposes only and are not intended to be limiting.

[0116] Understandably, when the operator applies external force to the drive end at the second end of the insulating rod 100, the drive end, through its transmission connection with the transmission end, moves the transmission end along the side closer to the second end. Since the end of the transmission end away from the drive end is connected to the rotating component 200, and the transmission end is arranged radially along the insulating rod 100, this movement can be converted into directional traction or pushing on the free end of the rotating component 200, causing the rotating component 200 to rotate around the first end in a preset direction, and simultaneously compressing the elastic component 300 to complete energy storage. After the rotating component 200 rotates to the predetermined position, the drive end stops applying force, the elastic component 300 immediately resets, and drives the rotating component 200 to rotate back to the side away from the second end. The insulating part located on the rotating component 200 then applies a corresponding action to the moving contact of the switch, thereby realizing closing or opening the circuit breaker. Because the drive and transmission are set separately, the external operating force can be transmitted to the rotating part 200 through a clearer mechanical path, making it easier to control the initial rotation angle of the rotating part 200, the compression of the elastic part 300, and the rotational speed after release. This reduces the deviation of action and uneven force caused by direct manual drive, improves the consistency and stability of action during remote operation, and enhances the adaptability to high-voltage switchgear. In turn, it helps to reduce operational impact and improve on-site operation efficiency.

[0117] Further, the drive assembly 400 includes: a first guide 401, a second guide 402, and a rope member 403. The first guide 401 is disposed at the second end and extends radially along the insulating rod 100. The second guide 402 is slidably connected to the first guide 401, and the first guide 401 and the second guide 402 cooperate to form a drive end. One end of the rope member 403 is connected to the second guide 402, and the other end of the rope member 403 is connected to the rotating member 200, and the rope member 403 forms a transmission end.

[0118] It should be noted that the first guide member 401 is a guide member disposed at the second end of the insulating rod 100 and used to limit the movement direction of the second guide member 402. Its function is to provide support and constraint for the second guide member 402 to move along a predetermined path, so that the driving force can be stably transmitted to the rope member 403 radially along the insulating rod 100.

[0119] It should be noted that the second guide member 402 is a movable component that slides in cooperation with the first guide member 401. Its function is to achieve linear sliding or restricted sliding along the first guide member 401 under the action of external force, and to convert the displacement into a traction force on the rope member 403, thereby driving the rotating member 200 to rotate.

[0120] It should be noted that the rope component 403 is a flexible force transmission component, which functions to convert the linear displacement of the second guide component 402 into the pulling action of the free end of the rotating component 200, so that the rotating component 200 forms a controllable swing at the end of the insulating rod 100.

[0121] Furthermore, the first guide member 401 is typically fixedly disposed in the end region of the second end of the insulating rod 100 and forms a reliable connection with the body of the insulating rod 100.

[0122] Furthermore, the second guide member 402 is sleeved, embedded, or disposed along the first guide member 401 so that it can reciprocate under the constraint of the guide surface, guide groove, or guide rail of the first guide member 401 during operation.

[0123] Furthermore, one end of the rope component 403 is connected to the connecting hole, hook seat or rope buckle on the second guide 402, and the other end is connected to the connecting ear, pull hole or fixed end of the free end of the rotating component 200, thereby forming a transmission path from the operating end to the executing end.

[0124] In one possible embodiment, the first guide 401 can be made into a U-shaped guide groove, and the second guide 402 can be formed into a corresponding slider structure.

[0125] In another possible embodiment, the first guide member 401 may be made into a cylindrical guide rod, and the second guide member 402 may be a sliding sleeve sleeved on the outer periphery of the guide rod.

[0126] In yet another possible embodiment, the first guide 401 may be made as a linear slide rail, and the second guide 402 may be a movable seat with a limiting hole.

[0127] It should be noted that the above-mentioned guide components can be made of metal, engineering plastic or composite insulating materials. For example, the first guide component 401 can be an aluminum alloy guide rail, a glass fiber reinforced plastic guide groove or an insulating resin guide seat, the second guide component 402 can be a nylon slider, a polycarbonate slide sleeve or a metal-coated insulating bushing, and the rope component 403 can be a steel wire rope, an aramid fiber rope, a Kevlar rope or an insulating rope to meet the requirements of wear resistance, tensile strength and electrical safety.

[0128] It should be noted that, in terms of size and proportion, the second guide member 402 and the first guide member 401 should preferably be fitted with a small clearance to suppress lateral sway while ensuring smooth movement. Preferably, the clearance between them should be controlled within the range of 0.1mm to 1mm.

[0129] It should be noted that the diameter, rope diameter or flat strip thickness of the rope component 403 should match the connection hole of the second guide component 402 and the connection part of the rotating component 200 to ensure stable tension transmission, and its tensile strength should meet the maximum traction load required for the opening and closing operation of the switch component.

[0130] It should be understood that the above examples are for illustrative purposes only and are not intended to be limiting.

[0131] Understandably, when the operator applies an external force to the second end of the insulating rod 100, the second guide member 402 slides linearly along the radial direction of the insulating rod 100 under the guidance and constraint of the first guide member 401, and simultaneously pulls the rope member 403 connected to it to move. Since the other end of the rope member 403 is connected to the free end of the rotating member 200, the tension of the rope member 403 will act on the rotating member 200, causing the rotating member 200 to rotate around its hinge point towards the side closer to the second end, thereby compressing the elastic member 300 connected to the rotating member 200. When the external driving force is released, the second guide member 402 stops applying force in the return tendency or external release state, and the rope member 403 then becomes slack. The restoring force of the elastic member 300 pushes the rotating member 200 to reset towards the side away from the second end. The insulating part on the rotating member 200 then contacts the moving contact of the switch and applies the action force required for opening or closing during the reciprocating rotation. Since the driving end is composed of the first guide member 401 and the second guide member 402, the driving process is restricted to a clear straight guiding path. The rope member 403 can flexibly transmit this linear displacement to the rotating member 200. Therefore, this scheme can reduce the sensitivity of manual personnel to the attitude of the rod end, reduce lateral deviation and uneven force during operation, and make the movement of the rotating member 200 more stable, continuous and with better repeatability. At the same time, the force transmission method of the rope member 403 also facilitates long-distance driving in a limited space, thereby improving the accuracy, controllability and on-site operation efficiency of high-voltage power distribution equipment opening and closing operations.

[0132] The insulating rod 100 provided in the embodiments of this application includes: a first rod member 101, a second rod member 102, and a first support member 103. The first rod member 101 forms a second end, the second rod member 102 is connected to the first rod, and the first support member 103 is disposed at one end of the second rod member 102 away from the first rod member 101. The first support member 103 forms a first end, and a first through hole is provided on the first support member 103. The rope member 403 of the driving assembly 400 passes through the first through hole.

[0133] It should be noted that the first rod member 101 is used to form the main body section of the insulating rod 100 near the drive end.

[0134] It should be noted that the second rod member 102 is used to extend the insulation length based on the first rod member 101.

[0135] It should be noted that the first support member 103 is used to form the end support structure of the insulating rod 100 away from the driving end, and to provide an installation and guiding foundation for the rotating member 200, the elastic member 300 and the rope member 403.

[0136] It should be noted that after the rope component 403 passes through the first through hole, it can move along a predetermined path during operation, thereby stably transmitting the pulling or pushing action applied at the second end to the rotating component 200, avoiding the rope component 403 from swaying, degrooving, or abnormal friction with the outer surface of the rod at the end, thus improving the stability and reliability of the action transmission.

[0137] In this application, the first rod component 101 and the second rod component 102 are arranged in segments, which can facilitate combination or replacement according to different working distances, so that the effective length of the insulating rod 100 can be adapted to the switching operation requirements of different voltage levels, different installation heights and different spatial conditions.

[0138] Furthermore, the first rod member 101 can be a telescopic rod.

[0139] Alternatively, the second rod member 102 can be a telescopic rod.

[0140] Alternatively, both the first rod member 101 and the second rod member 102 can be telescopic rods.

[0141] Alternatively, the first rod member 101 and the second rod member 102 may cooperate to form a telescopic rod.

[0142] It should be noted that the first support member 103 is located at the end of the second rod member 102 away from the first rod member 101, and together with the first rod member 101 and the second rod member 102, forms an integral insulating channel from the second end to the first end, so that the operator can control the moving contact from a position away from the live parts.

[0143] It should be noted that the first through hole serves as a guide channel for the rope component 403. Its position is usually set at the axial center of the first support member 103 or biased towards the force-bearing side of the rope component 403, so as to reduce the bending angle of the rope component 403 during passage and reduce the wear of the hole edge on the rope body.

[0144] For example, the first rod member 101, the second rod member 102, and the first support member 103 can be made of glass fiber reinforced insulating tube, epoxy resin insulating rod 100, and insulating plastic end seat, respectively, or they can be formed by hollow tubular structure, solid rod structure, or socketed assembly structure.

[0145] In other possible implementations, the first rod member 101 and the second rod member 102 may also be connected by a plug-in connection, a threaded connection or a snap-fit ​​connection, and the first support member 103 may be a cap-type, fork-type or seat-type structure.

[0146] It should be noted that the diameter of the first through hole is usually slightly larger than the outer diameter of the rope member 403, so as to leave necessary sliding clearance while ensuring guiding accuracy. For example, it can be 1.05 to 1.5 times the rope diameter. The length ratio of the first rod member 101 to the second rod member 102 can be adjusted in the range of 1:1 to 5:1 according to the operation scenario.

[0147] It should be understood that the above examples are for illustrative purposes only and are not intended to be limiting.

[0148] Understandably, the operator applies traction to the rope component 403 at the second end. The rope component 403 achieves directional guidance through the first through hole and transmits the motion to the rotating component 200, causing the rotating component 200 to rotate in a controlled manner near the first end. At the same time, the elastic component 300 is compressed accordingly and stores elastic energy. When the external driving force is released, the elastic component 300 resets and pushes the rotating component 200 to rotate in a direction away from the second end. The insulating part on the rotating component 200 then applies a force to the moving contact of the switch, causing the moving contact to complete the closing or opening action according to a predetermined trajectory. Since the first rod component 101, the second rod component 102, and the first support component 103 together form a relatively long insulating support path, and the rope component 403 achieves stable guidance through the first through hole, the direction of force during operation is clearer, and the relative slippage between the rope and the end structure is more controllable, which can effectively reduce the situation of bias pull, jamming, and incomplete action; at the same time, with the help of the energy storage and release of the elastic component 300, the action of the switch no longer completely depends on the operator's continuous force, but can form a relatively stable output stroke and rebound process, thereby improving the consistency, accuracy, and work efficiency of remote opening and closing operations, and reducing the operational risks caused by human force fluctuations in high-voltage power distribution sites.

[0149] Based on the aforementioned embodiments, the first through hole and the elastic element 300 are further arranged concentrically; or, along the radial direction intersecting the insulating rod 100, the first through hole and the elastic element 300 are spaced apart.

[0150] In one possible embodiment, when the first through hole and the elastic element 300 are concentrically arranged, the first through hole can be understood as a guide hole opened on the first support 103 for the rope member 403 to pass through, while the elastic element 300 is an energy storage element connected between the first end and the free end of the rotating member 200. The central axes of the two coincide in space, so that the rope member 403 can move along an approximately single transmission path during the process of being stretched or returning.

[0151] Furthermore, its function is to ensure that the rope component 403 maintains a stable coaxial relationship with the elastic element 300 after passing through the first through hole, reducing the possibility of rubbing, squeezing, or deflection interference between the rope component 403 and the elastic element 300 during reciprocating motion, thereby reducing local wear and improving the smoothness of the driving action; when the first through hole and the elastic element 300 are spaced apart along the radial direction intersecting the insulating rod 100, the first through hole and the elastic element 300 maintain a predetermined distance in the radial direction of the insulating rod 100, and the two can be separated by the body of the first support member 103, the insulating partition, or the space avoidance structure, so that the passage path of the rope component 403 and the compression deformation space of the elastic element 300 are staggered to avoid mutual interference under high-frequency operation or large displacement conditions, and it is also beneficial to arrange the guide path according to different installation spaces.

[0152] Furthermore, in terms of position and relationship, when a concentric arrangement is adopted, the hole axis of the first through hole preferably coincides with the central axis of the elastic member 300. The rope member 403 is led out from the second guide member 402 and passes through the first through hole, and remains radially centered when the second guide member 402 is pulled or the rotating member 200 is driven to rotate.

[0153] Furthermore, when an interval arrangement is adopted, the first through hole can be offset to the outer or inner side of the insulating rod 100 relative to the elastic member 300, with a safe distance between them sufficient to avoid the deformation of the elastic member 300. The rope member 403 passes through the first through hole and then connects to the rotating member 200, thereby forming a separate guiding and energy storage arrangement.

[0154] For example, in terms of shape and material, the first through hole can be a regular round hole, a round hole with a guide bushing, or an oblong hole with a chamfer, to accommodate rope components 403 of different diameters and reduce frictional resistance.

[0155] For example, the elastic element 300 can be in the form of a helical compression spring, a tension spring, or a torsion spring, and the material can be spring steel, stainless steel, or an alloy material with fatigue resistance.

[0156] Furthermore, an insulating bushing, a wear-resistant sleeve, or a low-friction bushing can be fitted near the first through hole to further reduce wear between the rope component 403 and the hole wall.

[0157] For example, in terms of size and proportion, when concentrically arranged, the diameter of the first through hole is preferably slightly larger than the outer diameter of the rope member 403 to form an appropriate gap, which can usually be controlled to be 1.05 to 1.5 times the outer diameter of the rope member 403, and the deviation between the hole axis and the axis of the elastic member 300 should preferably be controlled within 5% of the hole diameter; when spaced apart, the radial distance between the first through hole and the elastic member 300 should meet the swing margin of the rope member 403 and the avoidance requirements after the maximum compression deformation of the elastic member 300, preferably not less than twice the diameter of the rope member 403, and a corresponding creepage distance is reserved according to the end structure of the insulating rod 100 and the electrical safety requirements.

[0158] It should be understood that the above dimensions, shapes and materials can be adjusted according to the specific equipment level, operating scenario and manufacturing conditions. The above examples are for demonstration purposes only and are not limited.

[0159] Understandably, the operator drives the rope component 403 to move along the direction of the first through hole via the drive component 400. Under the guidance of the first through hole, the rope component 403 generates a stable displacement and transmits the traction force to the free end of the rotating component 200, causing the rotating component 200 to rotate around the first end. During this process, the elastic component 300 is gradually compressed and stores elastic potential energy. Since the first through hole and the elastic component 300 are arranged concentrically or spaced apart in the radial direction, the movement trajectory of the rope component 403 can effectively avoid the deformation space of the elastic component 300, thereby preventing the rope component 403 from getting tangled, colliding, or scratching the elastic component 300 during pulling or rebounding, thus ensuring that the rotation process of the rotating component 200 is smooth and controllable. When the driving force is released, the elastic element 300 releases its stored energy and pushes the rotating element 200 to rotate in the opposite direction. The rope component 403 then synchronously returns to its original position within the first through hole. Meanwhile, the insulating part provided on the rotating element 200 presses against or drives the moving contact of the switch element within a predetermined stroke to achieve the closing or opening action. Based on the above action process, it can be seen that the concentric arrangement of the first through hole and the elastic element 300 helps to form a more compact and coaxial transmission path, while the radial spacing helps to enhance the avoidance relationship and safety margin between components. Both can improve the smoothness of transmission, reduce wear, and improve the consistency of operation while maintaining insulation isolation, thereby making it easier to achieve accurate positioning and stable output of the opening and closing action.

[0160] The opening and closing operating lever provided in the embodiments of this application further includes: a second support member 500, which is disposed at one end of the first support member 103 away from the second rod member 102. The side of the second support member 500 away from the first support member 103 has a receiving groove, and the rotating member 200 is hinged in the receiving groove. Along the radial direction intersecting the insulating rod 100, the second support member 500 and the elastic member 300 are spaced apart.

[0161] It should be noted that the second support member 500 is an end support used to support and position the hinge portion of the rotating member 200. By being positioned on the side of the first support member 103 away from the second rod member 102, it provides a stable rotation reference and assembly space for the rotating member 200, thereby enabling the rotating member 200 to reliably swing around a predetermined hinge axis.

[0162] Furthermore, the function of the second support member 500 is to bear the rotational force and reaction force generated by the rotating member 200 when it is driven, and to maintain radial space clearance with the elastic member 300, so as to avoid interference or friction between the elastic member 300 and the second support member 500 during compression and reset, thereby ensuring smooth rotation and clear recovery path.

[0163] For example, in terms of position, the second support member 500 is fixedly disposed at one end of the first support member 103 away from the second rod member 102, and usually forms an end combination structure with the first support member 103. A receiving groove is opened on the side of the second support member 500 away from the first support member 103. The hinge portion, hinge shaft or hinge ear of the rotating member 200 is arranged in the receiving groove to achieve restricted swing and prevent dislodgement. Along the radial direction intersecting the insulating rod 100, the second support member 500 and the elastic member 300 maintain a predetermined distance, so that the elastic member 300 has sufficient expansion and contraction space when axially compressed.

[0164] For example, in terms of shape and material, the second support member 500 can adopt the structural form of a block support, a fork support or a shell-type base, wherein the receiving groove can be designed as a U-shaped groove, a semi-circular groove or a stepped groove.

[0165] For example, the material can be an insulating engineering plastic, reinforced nylon, epoxy resin, or a composite structure with a metal matrix encased in an insulating layer, in order to balance mechanical strength and insulation performance.

[0166] For example, the second support member 500 has at least three possible implementations, which include:

[0167] Firstly, the second support member 500 is an integrally injection-molded U-shaped groove seat, and the groove wall directly forms the two sides of the rotating member 200 for limiting.

[0168] Secondly, the second support member 500 is a detachable semi-shell hinged seat, which is connected to the first support member 103 by screws or clips.

[0169] Third, the second support member 500 is a block with a shaft hole, and a limiting cavity is formed on the outside to accommodate the hinge section of the rotating member 200.

[0170] For example, in terms of size and proportion, the opening width of the receiving groove is generally matched with the outer dimensions of the hinge of the rotating part 200 to form a clearance fit or a slight interference fit. The groove depth should meet the requirement that the rotating part 200 does not come out even at the maximum swing angle. The radial distance between the second support 500 and the elastic part 300 should be greater than the outward expansion margin of the elastic part 300 under the maximum compression state. Usually, a safe distance sufficient to avoid collision is reserved.

[0171] Understandably, the drive assembly 400 applies a pulling or pushing action to the transmission end via the second end. The transmission end drives the rotating member 200 connected to it to rotate around the hinge point located in the receiving groove, and causes the elastic member 300 to gradually compress and store energy. Since the second support member 500 forms a stable hinged position for the rotating member 200, and the second support member 500 and the elastic member 300 are radially spaced, the rotating member 200 can be reliably constrained during oscillation to prevent swaying, and the elastic member 300 can also complete compression and reset without interference. When the drive assembly 400 stops driving, the elastic member 300 releases the stored elastic potential energy and pushes the rotating member 200 to rotate in the opposite direction. The insulating part on the rotating member 200 then acts on the moving contact of the switching element, causing the moving contact to complete the closing or opening action in a predetermined direction. Because the structure provides a clear hinge point for the rotating member 200 through the second support member 500, and reduces structural interference and frictional loss through the spaced arrangement with the elastic member 300, the rotation trajectory of the rotating member 200 is more stable and the release action is more consistent, thereby improving the accuracy, repeatability and overall insulation safety of the action during remote operation.

[0172] In one possible implementation, the opening and closing operating lever further includes: a reinforcing member 600 and a guide member 700. The reinforcing member 600 is sleeved on the outer periphery of the first lever member 101 and connected to the second lever member 102. The guide member 700 is provided on at least one of the first lever member 101, the second lever member 102 and the reinforcing member 600. The guide member 700 has a second through hole, through which the rope member 403 passes.

[0173] It should be noted that the reinforcement 600 is a ring-shaped or sleeve-shaped mechanical part used to externally reinforce the local connection area of ​​the insulating rod 100. Its function is to provide circumferential covering support for the connection part between the first rod member 101 and the second rod member 102, so as to improve the overall rigidity, bending resistance and torsional resistance of the part, and reduce the loosening, deformation or fatigue damage caused by stress concentration in the connection part during the repeated pulling and returning of the rope member 403.

[0174] It should be noted that the reinforcement 600 is sleeved on the outer periphery of the first rod member 101 and connected to the second rod member 102. Specifically, it can be sleeved and then connected to the second rod member 102 by screwing, snapping, gluing or riveting to form a stable connection. Alternatively, the reinforcement 600 and the second rod member 102 can be integrally formed during manufacturing to form a relatively fixed reinforced connection area.

[0175] Furthermore, the guide 700 is provided in at least one of the first rod member 101, the second rod member 102, and the reinforcement member 600. The second through hole opened on the guide 700 is used to provide additional guidance for the rope member 403, so that the rope member 403 maintains a predetermined motion trajectory and reduces the amount of sway during axial pulling, thereby reducing the friction and wear between the rope member 403 and the edge of the rod and the risk of deviation and derailment.

[0176] For example, the reinforcement 600 can take the form of a metal reinforcing sleeve, a glass fiber reinforcing sleeve, a nylon-coated sleeve, or an epoxy composite sleeve. The metal reinforcing sleeve can be covered with an insulating layer to meet electrical insulation requirements. The glass fiber reinforcing sleeve is suitable for improving strength while ensuring light weight. The nylon-coated sleeve is easy to achieve through molding or injection molding processes. The epoxy composite sleeve can be formed into a high-strength structure by winding and curing.

[0177] For example, the guide 700 may take the form of a guide ear, a guide ring, a guide block, or a perforated seat. The guide ear can be installed on the outer wall of the reinforcement 600 by a fastener. The guide ring can be wrapped around the surface of the rod. The guide block can be integrally set on the side of the rod or the reinforcement 600. The perforated seat facilitates the formation of a long rope constraint channel therein.

[0178] For example, in terms of size and proportion, the inner diameter of the reinforcing member 600 is usually in transition fit or slightly interference fit with the outer diameter of the first rod member 101 to ensure positioning stability after installation. The axial length of the reinforcing member 600 can be set to 1 to 3 times the outer diameter of the first rod member 101 according to the stress condition of the connection area. The diameter of the second through hole should be slightly larger than the outer diameter of the rope member 403, and can usually be controlled to be 1.05 to 1.3 times the diameter of the rope member 403 to suppress lateral sway while ensuring smooth installation. The thickness of the guide member 700 can be designed to be several millimeters to tens of millimeters depending on the material strength and installation space.

[0179] It should be understood that the above examples are for illustrative purposes only and are not intended to be limiting.

[0180] Understandably, the rope component 403 reciprocates in a predetermined direction under external driving force, and first completes limiting and guiding within the second through hole of the guide component 700. Because the second through hole forms an additional path constraint on the rope component 403, it is less prone to significant deflection or rubbing during tensioning or releasing, thus making the force transmitted to the rotating component 200 side more stable. Simultaneously, the reinforcing member 600 is sleeved on the outer periphery of the first rod component 101 and connected to the second rod component 102, forming a stronger load-bearing skeleton in the connection area between the first rod component 101 and the second rod component 102. This skeleton can maintain the rod's posture under the reverse force, impact force, or periodic load generated by the rope component 403, avoiding guidance misalignment due to local deformation. As the rope component 403 continues to move, the rotating component 200, under the action of the drive assembly 400, completes the action of compressing or releasing the elastic component 300. The insulating part then applies a stable mechanical action to the moving contact of the switch component, thereby enabling the closing or opening action to be completed according to the predetermined trajectory. Because the reinforcement 600 improves the structural stability of the connection area, and the guide 700 provides secondary guidance for the rope component 403, the sway, friction and force fluctuations in the entire transmission process are suppressed. The operating lever can maintain good consistency and repeatability of action during long-stroke drive, which helps to improve the reliability of long-distance high-voltage switch operation and reduce the probability of operation jamming, incomplete action and wear of local components.

[0181] In one possible implementation, at least one of the first rod member 101 and / or the second rod member 102 is a telescopic structure.

[0182] It should be noted that the telescopic structure refers to at least one section of the insulating rod 100 with an adjustable length, which can be axially extended or shortened by means of relative sliding, plugging or screwing, so as to adapt to the operation requirements of live switch components under different operating distances and different installation heights.

[0183] In one possible embodiment, the telescopic structure is used to change the total effective length of the insulating rod 100, thereby allowing the relative distance between the rotating member 200 and the moving contact of the switching member to be adjusted according to the site space conditions, thereby expanding the adaptability range of the opening and closing operating rod and improving the ease of operation.

[0184] It should be noted that the telescopic structure can be positioned between the first rod member 101, the second rod member 102, or both. It is typically composed of inner and outer tubular sections and its adjusted length is limited by a locking mechanism. When the telescopic structure is positioned on the first rod member 101, it can be located on the side closer to the first end and cooperate with the first support member 103 and the second support member 500 to form a stable end support. When the telescopic structure is positioned on the second rod member 102, it can be located on the side closer to the second end and cooperate with the drive assembly 400 located at the second end to ensure that the force transmission path of the rope member 403 remains smooth after the length is adjusted.

[0185] For example, the telescopic structure can adopt a multi-stage sleeve type, an inner and outer tube sliding type, or a segmented plug-in type structure. The multi-stage sleeve type structure can be formed by connecting several insulating tubes with successively varying diameters. The inner and outer tube sliding type structure can adjust the length by axial sliding and be fixed by locking devices. The segmented plug-in type structure can achieve length change by combining several rod sections through plugging and unplugging. The materials can be selected from glass fiber reinforced insulating tubes, carbon fiber composite tubes, high-strength engineering plastic tubes, or composite rods with an aluminum alloy matrix covered with an insulating layer, so as to take into account insulation performance, bending resistance and weather resistance.

[0186] Furthermore, in order to ensure load-bearing capacity and insulation distance, the overlap length of the telescopic section is generally not less than three to five times the outer diameter of the rod. The telescopic ratio can be set to 1:1.2 to 1:3 according to the operational needs. The axial clearance after locking should be controlled within the range that can meet the operational stability, so as to avoid significant swaying or swinging when under force.

[0187] It can also be understood that the locking mechanism can be achieved by spring clip, rotary locking ring, pin positioning or threaded clamping, so that the telescopic rod remains relatively fixed when subjected to operating bending moment and torque.

[0188] It should be understood that the above examples are for illustrative purposes only and are not intended to be limiting.

[0189] Understandably, operators can adjust the lengths of the first rod component 101 and / or the second rod component 102 according to the installation position of the target switch to match the overall length of the insulating rod 100 with the on-site safety distance, and then fix the telescopic structure in the set position through the locking mechanism. On this basis, the force transmission relationship between the drive component 400 and the rotating component 200 remains unchanged, and the rope component 403 can still transmit the driving force of the second end to the free end of the rotating component 200 under the guidance of the first support component 103, the guide component 700 and the related through hole; since the rod length is adjustable, operators can complete the driving action in a more suitable standing position, reducing the swaying and deflection of the rod caused by too close a distance, limited angle or body posture. As the drive assembly 400 pushes the transmission end to move axially relative to the insulating rod 100, the rotating part 200 rotates towards the side closer to the second end and compresses the elastic part 300. When the drive stops, the elastic part 300 resets, causing the rotating part 200 to rotate towards the side away from the second end. The insulating part on the rotating part 200 then applies a stabilizing effect to the moving contact of the switchgear, completing the closing or opening action. Because the telescopic structure allows the operating rod to adapt to switchgear of different heights, spacings, and installation environments, operators do not need to frequently change tools of different specifications to complete on-site operations. Furthermore, under reasonable extension, the direction of force transmission and the stress state of the rod body are more easily maintained, thus helping to improve the accuracy, consistency, and efficiency of the closing and opening actions, and reducing the risk of accidental contact, off-center loading, or incomplete operation due to mismatched operating distances.

[0190] Embodiments of this application provide a switch assembly, including: a base, a moving contact, a stationary contact, and a closing / opening operating lever provided in any of the above embodiments. The moving contact is movably disposed on the base; the stationary contact is disposed on the base; the closing / opening operating lever is disposed on the base; the insulating part of the closing / opening operating lever drives the moving contact to move, thereby causing the moving contact and the stationary contact to separate and / or abut; when the insulating part drives the moving contact and the stationary contact to separate, the closing / opening operating lever is used to drive the switch to complete the opening action; when the insulating part drives the moving contact and the stationary contact to abut, the closing / opening operating lever is used to drive the switch to complete the closing action.

[0191] Understandably, by mounting the moving contact, stationary contact, and opening / closing operating lever together on the base, the relative positions of the components become more stable, facilitating accurate transmission of action from the insulation to the moving contact. When the insulation drives the moving contact to move, it directly causes the moving contact to separate or engage with the stationary contact, thereby achieving integrated linkage control of the opening and closing of the switchgear. This makes the force path clearer during remote operation. The opening / closing operating lever, in its separate and engaged states, respectively drives the switchgear to complete the opening and closing actions, thus enabling the same operating structure to have bidirectional control capabilities. This improves the consistency of action and operational reliability, and helps ensure operational safety and efficiency in high-voltage scenarios.

[0192] It should be noted that the terms "one embodiment," "embodiment," "exemplary embodiment," "some embodiments," etc., mentioned in the specification indicate that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0193] Generally speaking, terms should be understood at least in part by their use in context. For example, at least in part by context, the term "one or more" as used in the text can be used to describe any feature, structure, or characteristic of the singular meaning, or a combination of features, structures, or characteristics of the plural meaning. Similarly, at least in part by context, terms such as "a" or "the" can also be understood to convey either singular or plural usage.

[0194] It should be readily understood that the terms “on,” “above,” and “on top of” in this application should be interpreted in the broadest possible sense, such that “on” means not only “directly on something” but also “on something” with an intermediate feature or layer therebetween, and that “above” or “on top of” means not only “on something” but also “on something” without an intermediate feature or layer therebetween (i.e., directly on something).

[0195] Furthermore, for ease of explanation, spatially relative terms such as "below," "below," "under," "above," and "above" may be used to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation other than those shown in the figures. The device may have other orientations (rotated 90° or in other orientations), and the spatially relative descriptive terms used herein may be interpreted accordingly.

[0196] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A closing / opening operating lever, used to drive switching components to complete closing or opening actions, characterized in that, The opening and closing operating lever includes: An insulating rod (100) having a first end and a second end spaced radially apart; A rotating component (200) is hinged to the first end; An elastic element (300) is provided at one end of the first end, and the other end of the elastic element (300) is connected to the free end of the rotating element (200); A drive assembly (400) is disposed at the second end and connected to the free end of the rotating member (200). The drive assembly (400) is used to drive the rotating member (200) to rotate toward the side closer to the second end and compress the elastic member (300). The rotating member (200) has an insulating part. When the driving assembly (400) stops driving the rotating member (200) to rotate, the elastic member (300) resets and drives the rotating member (200) to rotate toward the side away from the second end. The insulating part is used to drive the moving contact of the switching member to complete the closing or opening action.

2. The opening and closing operating lever according to claim 1, characterized in that, An insulating layer is provided on the side surface of the rotating member (200) opposite to the elastic member (300), and the insulating layer forms the insulating part; Alternatively, the rotating member (200) may be made of insulating material, and the insulating portion may be formed on the side surface of the rotating member (200) facing away from the elastic member (300).

3. The opening and closing operating lever according to claim 1, characterized in that, The drive assembly (400) includes a drive end and a transmission end connected by transmission. The drive end is located at the second end. The end of the transmission end opposite to the drive end is connected to the rotating member (200), and the transmission end extends radially along the insulating rod (100). The driving end is used to drive the transmission end to move toward the side closer to the second end.

4. The opening and closing operating lever according to claim 3, characterized in that, The drive component (400) includes: A first guide (401) is disposed at the second end, and the first guide (401) extends radially along the insulating rod (100); The second guide (402) is slidably connected to the first guide (401), and the first guide (401) and the second guide (402) cooperate to form the driving end; A rope component (403) is provided, one end of which is connected to the second guide (402), and the other end of which is connected to the rotating component (200). The rope component (403) forms the transmission end.

5. The opening and closing operating lever according to any one of claims 1-4, characterized in that, The insulating rod (100) includes: A first rod member (101) forms the second end; The second rod component (102) is connected to the first rod; The first support member (103) is disposed at one end of the second rod member (102) away from the first rod member (101). The first support member (103) forms the first end. A first through hole is provided on the first support member (103). The rope member (403) of the drive assembly (400) passes through the first through hole.

6. The opening and closing operating lever according to claim 5, characterized in that, The first through hole is concentrically disposed with the elastic element (300); Alternatively, the first through hole is spaced apart from the elastic element (300) along a radial direction intersecting the insulating rod (100).

7. The opening and closing operating lever according to claim 5, characterized in that, Also includes: The second support member (500) is disposed at one end of the first support member (103) away from the second rod member (102). The side of the second support member (500) away from the first support member (103) has a receiving groove, and the rotating member (200) is hinged in the receiving groove. Along the radial direction intersecting the insulating rod (100), the second support member (500) and the elastic member (300) are spaced apart.

8. The opening and closing operating lever according to claim 5, characterized in that, Also includes: The reinforcement member (600) is sleeved on the outer periphery of the first rod member (101) and connected to the second rod member (102); A guide member (700) is provided in at least one of the first rod member (101), the second rod member (102), and the reinforcing member (600). The guide member (700) has a second through hole, and the rope member (403) passes through the second through hole.

9. The opening and closing operating lever according to claim 5, characterized in that, At least one of the first rod member (101) and / or the second rod member (102) is a telescopic structure.

10. A switching assembly, characterized in that, include: Base The moving contact is movably disposed on the base; A stationary contact is disposed on the base; A switching operation lever according to any one of claims 1-9 is disposed on the base; The insulating part of the opening and closing operating rod drives the moving contact to move, and causes the moving contact and the stationary contact to separate and / or abut; When the insulating part drives the moving contact and the stationary contact to separate, the opening and closing operating lever is used to drive the switching element to complete the opening action; When the insulating part drives the moving contact and the stationary contact to abut, the opening and closing operating lever is used to drive the switching element to complete the closing action.

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