Manipulator for opening and closing fuse

Abstract

The fuse opening and closing manipulator comprises a fuse arranged on a telegraph pole, the fuse comprises an insulating rod, a crank arm assembly is fixed to the insulating rod and arranged on a rotating shaft, and one end of a driving shaft is connected with a power source; the crank arm assembly comprises a J-shaped left crank arm and a J-shaped right crank arm, the top ends of the left crank arm and the right crank arm are bent, the opposite faces of the top ends are provided with fixing grooves, the back faces of the bottom ends are provided with driving shafts respectively, and the driving shafts are embedded in the rotating shaft. By arranging the crank arm assembly, the insulating rod can be accurately controlled, and the control stability and precision of opening and closing are improved. The insulating rod can be driven by the remote control system and the crank arm assembly to achieve automatic opening and closing of the fuse, zero contact between people and high voltage is achieved, the problem of operation difficulty is effectively solved, and operation is intelligent and safe.

Description

Technical Field

[0001] The present invention relates to a control device for a power grid, and particularly to a manipulator for opening and closing a fuse. Background Art

[0002] The opening and closing of the fuse switch on the high-voltage power grid line are both realized by manually pushing and pulling with an operating rod. Due to the high voltage and the high position of the switch, manual operation is very difficult, and there are serious potential safety hazards to personal safety.

[0003] Chinese Patent Publication No.: CN215118822U, Publication Date: December 10, 2021, discloses a patent named a drop-type fuse, which discloses a drop-type fuse including an insulator. The upper and lower ends of one side of the insulator are respectively communicated with an upper drop-type fuse body and a lower drop-type fuse body. A fuse tube is connected in the middle of one side of the upper drop-type fuse body and the lower drop-type fuse body. A fixed sleeve is rotatably sleeved outside the insulator. A limiting member is arranged outside the insulator and near the top of the fixed sleeve. One side of the fixed sleeve extends out with a fixed seat. The outer wall of the fixed seat is fixedly connected with an arc-shaped seat. A limiting pin is fixedly connected inside the arc-shaped seat. A fixing member is arranged outside the limiting pin. This fuse still needs to manually pull the pull ring to open and close. When used in a high-voltage power grid, manual operation is difficult and there are safety hazards. Summary of the Invention

[0004] The present invention provides a manipulator for opening and closing a fuse. By setting a crank arm assembly, the insulating rod can be accurately controlled, and the control stability and accuracy of opening and closing are improved.

[0005] A further object of the present invention is that through a remote control system, the crank arm assembly drives the insulating rod to realize automatic opening and closing of the fuse, achieving zero contact between people and high voltage, effectively solving the operation difficulty, and achieving intelligent and safe operation.

[0006] A further object of the present invention is that by setting a photovoltaic solar panel, electric energy can be saved, which can provide convenient and stable power supply for the machine, avoid equipment non-response caused by insufficient power, and avoid interference with other circuits.

[0007] To achieve the above object, the present invention adopts the following technical solutions: A fuse opening and closing manipulator, including a fuse disposed on a utility pole. The fuse includes an insulating rod, on which a crank arm assembly is fixed. The crank arm assembly is disposed on a rotating shaft, and one end of a driving shaft is connected to a power source. The crank arm assembly includes a J-shaped left crank arm and a right crank arm. The tops of the left and right crank arms are bent, and fixing grooves are provided on the opposite surfaces of the tops. Driving shafts are respectively provided on the opposite surfaces of the bottoms, and the driving shafts are embedded in the rotating shaft. By providing the crank arm assembly, through a remote control system, the crank arm assembly can drive the insulating rod to achieve automatic opening and closing of the fuse, achieving zero contact between people and high voltage, effectively solving the operation difficulty, and achieving intelligent and safe operation.

[0008] Preferably, limiting grooves are provided on the upper and lower surfaces of the driving shaft, and a plurality of first fixing holes are provided through the inner wall of the bottom of the limiting groove. The fuse of this device is a drop-out fuse, including a drop-out fuse main body 3.2. An insulating rod is provided on one side of the drop-out fuse main body 3.2. Insulators are symmetrically provided on the outer walls at both ends on one side of the drop-out fuse main body 3.2, and are fixedly connected by a connecting column between the middle parts of the insulators. Through the design of the limiting grooves and the first fixing holes, it can ensure the stable embedding and fixing of the driving shaft in the rotating shaft, improve the mechanical stability of the device, prevent loosening or displacement during operation, and thus ensure the accuracy and reliability of the fuse opening and closing actions.

[0009] Preferably, the driving shafts of the left and right crank arms are symmetrically arranged in the opposite direction, and a fuse rotating shaft hole is provided at the opposite surface of the bottoms of the left and right crank arms. The bottom of the fuse is rotatably installed in the fuse rotating shaft hole, so that the main body part of the fuse does not affect the rotation of the crank arm assembly. The crank arm assembly can reciprocally rotate 75 degrees to 90 degrees. This symmetrical design makes the main body part of the fuse not affect the rotation of the crank arm assembly, ensuring that the crank arm assembly can smoothly reciprocally rotate 75 degrees to 90 degrees, thereby realizing the automatic opening and closing operation of the fuse. At the same time, this design optimizes the space layout, improves the overall compactness and operation efficiency of the device.

[0010] Preferably, the rotating shaft is provided with an embedding hole with a corresponding shape and length at the installation position of the driving shaft. The embedding hole has the same shape as the limiting groove and a size slightly larger than the limiting groove. A plurality of second fixing holes are respectively provided through the top and bottom of the embedding hole. The first fixing holes and the second fixing holes are used for passing bolts and nuts to fix the driving shaft. The design of the embedding hole matches the limiting groove, which can ensure the accuracy and stability of the installation of the driving shaft in the rotating shaft. Through the cooperation of the first fixing holes and the second fixing holes, using bolts and nuts to fix the driving shaft further enhances the mechanical strength and reliability of the device and extends the service life of the equipment.

[0011] Preferably, the shapes and positions of the first fixing hole and the second fixing hole correspond to each other. The fixing grooves at the tops of the left and right bent arms are arc-shaped, and the insulating rod is fixed in the fixing grooves. The fixing grooves of the left and right bent arms are spliced into a circle, which is adapted to the shape of the insulating rod. If a fault or power outage occurs in the circuit part under special circumstances, this device is provided with a manual pull ring, and the opening and closing can be operated through the insulating link rod. The arc-shaped fixing groove is adapted to the shape of the insulating rod, so that the insulating rod can be firmly fixed in the fixing groove. This design not only improves the installation stability of the insulating rod, but also facilitates the opening and closing operation through the manual pull ring under special circumstances, enhancing the flexibility and emergency operation ability of the device.

[0012] Preferably, a mounting plate is provided on one side of the fixing groove. The mounting plate is provided with a first mounting hole, and a second mounting hole is provided on the other side. The mounting plate is U-shaped. Bolts and nuts are passed through the first mounting holes of the left and right bent arms to fasten the insulating rod, and bolts and nuts are also passed through the first mounting holes of the left and right bent arms to fasten the insulating rod. Through the design of the mounting plate and the mounting holes, bolts and nuts are used to fasten the insulating rod, further enhancing the fixing strength of the insulating rod. This double fastening design can effectively prevent the insulating rod from loosening or displacing during operation, improving the safety and reliability of the device.

[0013] Preferably, the insulating rod is fixed at the tops of the left and right bent arms, and the fuse is rotatably connected to the inner sides of the bottoms. A pull ring is provided on the insulating rod. This structural design makes the connection between the insulating rod and the fuse more stable, while ensuring the rotational flexibility of the bent arm assembly. The pull ring on the insulating rod is designed to facilitate manual operation in an emergency, further improving the emergency operation ability and flexibility of the device.

[0014] Preferably, one end of the rotating shaft is connected to the driven gear, and the driven gear is connected to the driving gear through a gear belt. The driven gear and the driving gear are driven by an insulating engineering material PA666 gear belt, which can reduce rigid vibration, reduce contact arcing, and extend the service life of the fuse. The driven gear and the driving gear are arranged on the outer wall of the housing. Adopting the gear belt drive method can effectively reduce rigid vibration, reduce the contact arcing phenomenon, thereby extending the service life and operation reliability of the fuse. At the same time, this drive method can achieve precise transmission control, ensuring the accuracy and stability of the opening and closing actions of the fuse.

[0015] Preferably, the driving gear is connected to the power component. The power component is arranged in the gearbox, and a photovoltaic solar panel is provided on the upper surface of the gearbox. The power component is a stepping motor. Arranging the power component in the gearbox can effectively protect the power component from the influence of the external environment, improving the protection performance and service life of the equipment. At the same time, the photovoltaic solar panel on the upper surface of the gearbox can provide clean energy for the power component, realizing self-sufficient power supply, reducing the dependence on external power sources, and improving the independence and environmental protection of the device.

[0016] Preferably, the photovoltaic solar panel is connected to the solar cell inverter, and the power component and the remote signal receiver are connected.

[0017] The solar cell inverter converts the electric energy generated by the photovoltaic solar panel into electricity for the stepper motor. The remote signal receiver can remotely control the opening and closing of the fuse. Through the combination of the photovoltaic solar panel and the solar cell inverter, solar energy can be converted into electric energy to provide stable power support for the power component. At the same time, the setting of the remote signal receiver enables the operator to remotely control the opening and closing of the fuse, improving the intelligence and safety of the operation and reducing the risk of on-site operation.

[0018] Advantages of the present invention: The present invention provides a manipulator for opening and closing a fuse. By setting the crank arm assembly, the crank arm assembly can drive the insulating rod to achieve automatic opening and closing of the fuse through a remote control system, achieving zero contact between people and high voltage, effectively solving the difficulty of operation, and achieving intelligent and safe operation. By setting the photovoltaic solar panel, electric energy can be saved, providing convenient and stable power supply for the machine, avoiding equipment non-response caused by insufficient power and avoiding interference with other circuits. Description of the Drawings

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the crank arm assembly of the present invention.

[0021] Figure 3 It is a diagram showing the separated state of the fuse of the present invention.

[0022] Figure 4 It is an enlarged view of the connection between the crank arm assembly and the insulating rod.

[0023] Figure 5 It is a structural schematic diagram of the transmission component of the present invention.

[0024] Figure 6 It is a structural diagram of the interior of the gearbox of the present invention.

[0025] Reference numerals: 1: crank arm assembly; 1.1: left crank arm; 1.2: right crank arm; 1.3: drive shaft; 1.4: first fixing hole; 1.5: limiting groove; 1.6: fixing groove; 1.7: mounting plate; 1.8: first mounting hole; 1.9: second mounting hole; 2: rotating shaft; 2.1: embedding hole; 2.2: second fixing hole; 3: fuse; 3.1: insulating rod; 3.2: fuse body; 4: transmission assembly; 4.1: driving gear; 4.2: driven gear; 4.3: gear belt; 5: gearbox; 6: photovoltaic solar panel; 7: solar cell inverter; 8: motor; 9: remote signal receiver. Detailed implementation manners

[0026] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] In modern power systems, the stable operation of high-voltage power grids is of crucial importance. Among them, the fuse 3, as a key device to ensure the safety of the power system, the safety and convenience of its opening and closing operations directly affect the reliability of the entire power grid. The opening and closing of the fuse 3 switch on traditional high-voltage power grid lines rely on manual pushing and pulling with an operating rod. However, due to the high voltage and the high position of the switch, manual operation is not only extremely difficult but also poses serious potential safety hazards to personnel. The fuse opening and closing manipulator of the present invention provides an innovative solution to solve these problems.

[0028] As Figure 1 and Figure 2 shown, the fuse opening and closing manipulator of the present invention mainly includes a fuse 3 arranged on a utility pole. One of the core components of the fuse 3 is an insulating rod, and a crank arm assembly 1 is fixed on the insulating rod. In this embodiment, three fuses 3 and crank arm assemblies 1 are preferably arranged. The three crank arm assemblies 1 are arranged on a rotating shaft 2, and one end of the drive shaft 1.3 is connected to a power source. The crank arm assembly 1 is composed of a J-shaped left crank arm 1.1 and a right crank arm 1.2. Their tops are bent, and fixing grooves 1.6 are provided on the opposite surfaces of the tops. Drive shafts 1.3 are respectively provided on the back surfaces of the bottoms, and the drive shafts 1.3 are embedded in the rotating shaft 2.

[0029] When the remote control system issues an instruction, the power source starts, and drives the crank arm assembly 1 to rotate through the rotating shaft 2. Due to the unique structures of the left crank arm 1.1 and the right crank arm 1.2 and the connection method with the insulating rod, the rotation of the crank arm assembly 1 can drive the insulating rod to achieve the automatic opening and closing of the fuse 3. This design enables the operator to complete the operation through the remote control system in a safe area far from high voltage, achieving zero contact between people and high voltage, effectively solving the problem of difficult operation, and realizing the intelligence and safety of the operation.

[0030] As Figure 3 and Figure 4 shown, the upper and lower surfaces of the drive shaft 1.3 are precision machined, and each is provided with a limiting groove 1.5. The limiting groove 1.5 is designed with a standard rectangular cross-section, and its length matches the working stroke of the drive shaft 1.3. The inner wall of the bottom of the limiting groove 1.5 is finely polished, and the surface roughness reaches Ra1.6 to ensure the flatness of the contact surface. At the center position of the inner wall of the bottom of the groove, a number of first fixing holes 1.4 are equally spaced and penetrated. The hole pitch is accurately calculated. In this embodiment, through optimized design, two first fixing holes 1.4 are preferably provided, respectively located at both ends of the limiting groove 1.5. This arrangement can not only ensure the connection strength but also facilitate the installation operation.

[0031] The drop fuse 3 selected for this device is of the outdoor high-voltage type. The fuse body 3.2 of the drop fuse is made of high-strength silicone rubber material, having good insulation performance and weather resistance. One side of the fuse body 3.2 is fixedly connected with an insulating rod through high-strength epoxy resin glue. The surface of the insulating rod is treated with anti-ultraviolet rays to ensure long-term stability in the outdoor environment. On the outer walls at both ends on the same side of the drop fuse body 3.2, two standardized insulators are symmetrically installed. The insulators are made of high-strength ceramic material, and the rated mechanical load is 8 kN. The two insulators are fixedly connected through a connecting column. The connecting column is made of 304 stainless steel material, and its surface is passivated, having excellent corrosion resistance.

[0032] At the installation and mating position of the rotating shaft 2 with the drive shaft 1.3, an embedding hole 2.1 corresponding to the limiting groove 1.5 is provided. The cross-sectional shape of the embedding hole 2.1 is exactly the same as that of the limiting groove 1.5, but the size is slightly larger than that of the limiting groove 1.5, and the unilateral clearance is controlled at 0.2 mm, which not only ensures the smoothness of the assembly but also avoids excessive mating clearance. The depth of the embedding hole 2.1 is 2 mm deeper than that of the limiting groove 1.5, reserving enough adjustment space for installation. At the top and bottom of the embedding hole 2.1, a number of second fixing holes 2.2 are respectively penetrated. The hole diameter matches that of the first fixing hole 1.4, also being Φ8 mm, and the hole positions are precision machined to ensure complete alignment with the first fixing hole 1.4. This precise mating design not only ensures the accuracy of installation but also greatly improves the reliability and stability of the connection, and can withstand long-term operation under the rated torque.

[0033] During the actual installation process, when the drive shaft 1.3 is inserted into the insertion hole 2.1 of the rotating shaft 2, the precise matching of the limiting groove 1.5 and the insertion hole 2.1 can ensure the accuracy of the installation of the drive shaft 1.3. Then, by passing bolts and nuts through the first fixing hole 1.4 and the second fixing hole 2.2, the drive shaft 1.3 is firmly fixed within the rotating shaft 2. This design greatly improves the mechanical stability of the device, preventing the drive shaft 1.3 from loosening or displacing during operation, thereby ensuring the accuracy and reliability of the opening and closing actions of the fuse. For example, during frequent opening and closing operations, if the drive shaft 1.3 is not firmly fixed, it may cause abnormal rotation of the crank arm assembly 1, and thus the opening and closing of the fuse 3 cannot be accurately achieved, while this design effectively avoids the occurrence of such problems.

[0034] As Figure 3 and Figure 4 shown, the drive shafts 1.3 of the left crank arm 1.1 and the right crank arm 1.2 adopt a precision design with back-to-back symmetry. This unique layout not only optimizes the force distribution of the mechanical structure but also ensures the synchronism and coordination of the movements of the left and right crank arms 1.2. The drive shaft 1.3 is made of 40Cr alloy steel, which has been quenched and tempered and surface hardened, and has excellent wear resistance and fatigue resistance, and can withstand the mechanical stress brought by long-term reciprocating motion.

[0035] At the opposite surfaces at the bottom ends of the left crank arm 1.1 and the right crank arm 1.2, there is a high-precision rotating shaft 2 hole for the fuse 3 respectively, and the hole diameter tolerance is controlled at the H7 level, and the surface roughness reaches Ra0.8. These two shaft holes are machined in one time by a numerically controlled machine tool to ensure that the coaxiality error does not exceed 0.02 mm. The bottom end of the fuse 3 is installed in the rotating shaft 2 hole through a precision bearing assembly. The bearing is a maintenance-free sealed deep groove ball bearing, and the clearance is precisely adjusted, which not only ensures the rotational flexibility but also avoids radial runout.

[0036] This innovative installation method completely decouples the movement of the fuse body 3.2 part from the crank arm assembly 1. When the crank arm assembly 1 rotates, the fuse 3 always remains in a stable state without any interference. The rotation range of the crank arm assembly 1 has been precisely calculated and verified by actual tests, and it can stably achieve reciprocating rotation from 75 degrees to 90 degrees, and the repeat positioning accuracy reaches ±0.5 degrees. During the rotation process, the angle sensor equipped in the system real-time monitors the rotation angle, and through the PLC control system, precise position control is achieved. This design not only ensures the reliability of the operation but also greatly extends the service life of the equipment and reduces the maintenance requirements. During actual operation, this mechanism can withstand more than 100,000 reciprocating motion tests, fully demonstrating its excellent durability and reliability.

[0037] This symmetrical design optimizes the spatial layout of the device, ensuring that the main body of the fuse 3 does not impede the rotation of the crank arm assembly 1. During actual operation, the crank arm assembly 1 can rotate smoothly back and forth. When a circuit breaker is required, the crank arm assembly 1 rotates at a predetermined angle, driving the insulating rod to pull the fuse 3 open; when closing the circuit, the crank arm assembly 1 rotates in the opposite direction to close the fuse 3. This precise control of the rotation angle ensures the smooth operation of the opening and closing operations of the fuse 3, improving the overall compactness and operating efficiency of the device. At the same time, within the limited space of the utility pole, this compact design can better adapt to complex installation environments.

[0038] As Figure 2 and Figure 3 shown, precision arc-shaped fixing grooves 1.6 are designed at the tops of the left crank arm 1.1 and the right crank arm 1.2. The curvature of the fixing groove 1.6 is precisely calculated to perfectly fit the shape of the insulating rod. The fixing groove 1.6 is made of high-strength alloy material and its surface is treated with special anti-slip treatment to ensure the stability of the insulating rod after installation. The fixing grooves 1.6 of the left crank arm 1.1 and the right crank arm 1.2 can be seamlessly joined to form a complete circular structure when butted. The diameter of this circular structure matches the outer diameter of the insulating rod, with the tolerance controlled within ±0.1 mm to ensure the assembly precision.

[0039] On one side of the fixing groove 1.6, a precision-machined U-shaped mounting plate 1.7 is provided. The mounting plate 1.7 is formed by stamping Q235 steel plate, which has excellent mechanical strength and durability. Two standardized first mounting holes 1.8 are provided on the mounting plate 1.7, and the hole pitch is precisely calculated to ensure uniform stress. On the other side of the fixing groove 1.6, second mounting holes 1.9 are symmetrically arranged, and their specifications are exactly the same as those of the first mounting holes 1.8, forming a symmetrical stress structure.

[0040] The left crank arm 1.1 and the right crank arm 1.2 are fastened by passing high-strength 8.8-grade M10 bolts through the first mounting holes 1.8 and cooperating with lock nuts. The tightening torque is controlled within the range of 45 - 50 N·m to ensure reliable connection. Similarly, the second mounting holes 1.9 also adopt the same fastening method, and a stable three-point fixing structure is formed by a symmetrically distributed bolt group. This design not only ensures the firm fixation of the insulating rod but also effectively disperses the stress, improving the stability and safety of the overall structure. During installation, the operator only needs to follow the standard operation process and use a torque wrench to tighten the bolts in sequence to complete the installation, which not only ensures the installation quality but also improves the work efficiency.

[0041] This double fastening design further enhances the fixing strength of the insulating rod. As a component that directly contacts the fuse 3 and realizes the opening and closing operations, the stability of the insulating rod is crucial. The arc-shaped fixing groove 1.6 perfectly fits the shape of the insulating rod, enabling the insulating rod to be firmly fixed within the fixing groove 1.6. During operation, regardless of how the crank arm assembly 1 rotates, the insulating rod can remain stable without loosening or displacement, thereby improving the safety and reliability of the device. Additionally, in special situations such as circuit failures or power outages, the device is equipped with a manual pull ring, and the opening and closing operations can be performed through the insulating link rod. The design of the arc-shaped fixing groove 1.6 also facilitates manual operation, enhancing the flexibility and emergency operation ability of the device.

[0042] As Figure 5 and Figure 6 shown, one end of the rotating shaft 2 is connected to the driven gear 4.2. The transmission assembly 4 includes the driven gear 4.2, the gear belt 4.3, and the driving gear 4.1. The driven gear 4.2 is connected to the driving gear 4.1 through the gear belt 4.3. The driven gear 4.2 and the driving gear 4.1 are driven by the insulating engineering material PA666 gear belt 4.3, and the driven gear 4.2 and the driving gear 4.1 are arranged on the outer wall of the housing. The driving gear 4.1 is connected to the power assembly, and the power assembly is arranged within the gearbox 5. A photovoltaic solar panel 6 is provided on the upper surface of the gearbox 5, and the power assembly is a stepping motor 8. The photovoltaic solar panel 6 is connected to the power assembly through an intelligent charge and discharge controller to ensure that the system can still maintain a continuous working ability of 72 hours in rainy weather.

[0043] Both the driven gear 4.2 and the driving gear 4.1 are made of the high-performance insulating engineering material PA666 (polyamide 66). This material not only has excellent mechanical strength (tensile strength reaching 85 MPa) but also good insulation performance (volume resistivity greater than 10^15 Ω·cm), which can effectively prevent current leakage and ensure the safe operation of the equipment in a high-voltage environment. The gear surface is subjected to special hardening treatment, with a hardness reaching HRC 55, greatly extending the service life. The use of the gear belt 4.3 drive method has many advantages. First, it can effectively reduce rigid vibrations. During power transmission, the flexibility of the gear belt 4.3 can buffer the vibrations generated by the operation of the motor 8, avoiding damage to the fuse 3 and other components caused by vibrations. Second, this drive method can reduce the phenomenon of contact arcing, reducing electrical failures caused by arcing, thereby enhancing the service life and operation reliability of the fuse 3. At the same time, through the precisely designed gear transmission ratio, precise control of the rotation of the crank arm assembly 1 can be achieved, ensuring the accuracy and stability of the opening and closing operations of the fuse 3.

[0044] Setting the power component inside the gearbox 5 provides good protection for the power component. The gearbox 5 can effectively protect the stepper motor 8 from the influence of the external environment, such as dust, rain, and harsh temperatures, improving the protection performance and service life of the device. The photovoltaic solar panel 6 on the upper surface of the gearbox 5 is a major highlight of the present invention. It can convert solar energy into electrical energy to provide clean energy for the power component. By connecting the photovoltaic solar panel 6 to the solar cell inverter 7, the generated electrical energy is converted into electricity available for the stepper motor 8, realizing a self-sufficient power supply mode, reducing the dependence on external power sources, and improving the independence and environmental friendliness of the device. In addition, the installation position of the photovoltaic solar panel 6 is carefully designed to fully receive sunlight, ensuring stable power support for the device under different weather and lighting conditions.

[0045] As Figure 6 shown, the photovoltaic solar panel 6 is connected to the solar cell inverter 7, and the power component and the remote signal receiver 9 are connected. The solar cell inverter 7 converts the electrical energy generated by the photovoltaic solar panel 6 into electricity for the stepper motor 8, and the remote signal receiver 9 can realize remote control of the opening and closing of the fuse 3.

[0046] The operator can send precise operation instructions to the remote signal receiver 9 through the remote control system in a safe area away from the utility pole. The remote signal receiver 9 adopts advanced wireless communication technology, can stably receive signals from the control terminal, and accurately transmit the signals to the power component - the high-precision stepper motor 8. The stepper motor 8 precisely controls its start, stop, and rotation direction according to the received instructions to realize remote control of the device. At the same time, the photovoltaic solar panel 6 equipped in the system uses solar energy to generate electricity, and the generated electrical energy is converted by the efficient solar cell inverter 7 to provide continuous and stable power support for the stepper motor 8. This innovative combination design of remote control and solar power supply not only significantly improves the intelligence and safety of operation, effectively reduces the risk of on-site operation, but also fundamentally avoids the problem of device non-response caused by insufficient power, and eliminates the possibility of electromagnetic interference with other circuits.

[0047] In the maintenance operation of the high-voltage power grid in remote areas, the operator does not need to climb the utility pole at risk. Only by using the remote control terminal can the opening and closing operation of the fuse 3 be completed safely and conveniently. This intelligent operation method not only greatly improves the work efficiency, but also increases the operation safety factor by more than 80%, providing a reliable guarantee for the safe and stable operation of the power system. In addition, the solar power supply module of the system has an intelligent charge and discharge management function, which can ensure continuous operation ability for 72 hours even in rainy weather, further enhancing the reliability and applicability of the system.

[0048] Installation and commissioning.

[0049] When installing the switching manipulator of the fuse, first, according to the actual size of the utility pole and the installation position of the fuse 3, accurately measure and determine the installation points of each component. Firmly install the rotating shaft 2 on the utility pole to ensure its stability. Then, embed the drive shaft 1.3 of the crank arm assembly 1 into the embedding hole 2.1 of the rotating shaft 2 according to the design requirements, and use bolts and nuts to fasten through the first fixing hole 1.4 and the second fixing hole 2.2. Next, align the fixing grooves 1.6 of the left crank arm 1.1 and the right crank arm 1.2 with the insulating rod, and pass bolts and nuts through the first mounting hole 1.8 and the second mounting hole 1.9 on the mounting plate 1.7 to firmly fix the insulating rod on the crank arm assembly 1.

[0050] After installing the crank arm assembly 1 and the insulating rod, rotatably install the bottom end of the fuse 3 into the hole of the fuse rotating shaft 2 to ensure that the fuse 3 can rotate freely without affecting the normal operation of the crank arm assembly 1. Subsequently, install the driven gear 4.2, the driving gear 4.1, and the gear belt 4.3, and adjust the transmission clearance between them to ensure smooth power transmission. Install the power component, that is, the stepper motor 8, in the gearbox 5, connect the driving gear 4.1, and at the same time install the photovoltaic solar panel 6 on the upper surface of the gearbox 5 to ensure that it faces the direction with sufficient sunlight. Finally, connect electrical components such as the remote signal receiver 9 and the solar cell inverter 7 for overall debugging.

[0051] During the debugging process, send switching instructions through the remote control system, and observe the rotation of the crank arm assembly 1, the movement of the insulating rod, and the switching state of the fuse 3. Check whether the connections of all components are firm, without looseness or abnormal sounds. At the same time, monitor the power generation of the photovoltaic solar panel 6, the conversion efficiency of the solar cell inverter 7, and the operating state of the stepper motor 8 to ensure that the entire device can operate normally. If any problems are found, make adjustments and repairs in a timely manner until the device meets the design requirements.

[0052] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A fuse opening and closing manipulator, comprising a fuse arranged on a utility pole, characterized in that: The fuse includes an insulating rod, a crank arm assembly is fixed on the insulating rod, the crank arm assembly is arranged on the rotating shaft, and one end of the driving shaft is connected to the power source; The crank arm assembly comprises a left crank arm and a right crank arm. The top ends of the left crank arm and the right crank arm are bent, the opposite surfaces of the top ends are provided with fixing grooves, and the back surfaces of the bottom ends are respectively provided with driving shafts, which are embedded in the rotating shaft.

2. The fuse opening and closing robot according to claim 1, characterized in that: The upper and lower surfaces of the driving shaft are provided with limiting grooves, and a plurality of first fixing holes are penetrated in the limiting grooves.

3. The fuse opening and closing robot according to claim 1 or 2, characterized in that: The driving shafts of the left crank arm and the right crank arm are symmetrically arranged in opposite directions, and fuse rotating shaft holes are arranged at the opposite surfaces of the bottom ends of the left crank arm and the right crank arm.

4. The fuse opening and closing robot according to claim 3, characterized in that: The rotating shaft is provided with an embedding hole of corresponding shape and length at the installation position of the driving shaft, and a plurality of second fixing holes are respectively penetrated through the top end and the bottom end of the embedding hole.

5. The fuse opening and closing robot according to claim 4, characterized in that: The first fixing hole and the second fixing hole correspond in shape and position. The fixing grooves at the top ends of the left curved arm and the right curved arm are arc-shaped, and the insulating rod is fixed in the fixing grooves.

6. The fuse opening and closing robot according to claim 1 or 5, characterized in that: A mounting plate is provided on one side of the fixing groove, a first mounting hole is provided on the mounting plate, and a second mounting hole is provided on the other side of the fixing groove.

7. The fuse opening and closing robot according to claim 1 or 5, characterized in that: The left curved arm and the right curved arm are J-shaped, with an insulating rod fixed on the top and a fuse connected by rotating inside the bottom.

8. The fuse opening and closing robot according to claim 1, characterized in that: One end of the rotating shaft is connected to the driven gear, and the driven gear is connected to the driving gear through a gear belt.

9. The fuse opening and closing robot according to claim 8, characterized in that: The driving gear is connected to the power assembly, the power assembly is arranged in the cover shell, and a photovoltaic solar panel is arranged on the upper surface of the cover shell.

10. The fuse opening and closing robot according to claim 8, characterized in that: Photovoltaic solar panels are connected to solar cell inverters, power components and remote signal receivers.

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