Porcelain bottle nut electrified fastener

Abstract

The utility model discloses a porcelain bottle nut electrified fastener, which is characterized in that two insulating rods 1 are provided, the length of each insulating rod 1 is 1200mm, the diameter of each insulating rod 1 is 36mm, the insulating rods 1 are in butt joint, the insulating rods 1 are made of epoxy resin composite materials, the surfaces of the insulating rods 1 are provided with anti-skid grains, and the withstand voltage level is not lower than 10kV; the porcelain bottle nut fastener is 82mm in length, 38mm in width and 55mm in height, and one end of the porcelain bottle nut fastener is provided with an interface connected with an insulating rod; the length of the open spanner is 250mm, the width of the open spanner is 23mm, the thickness of the open spanner is 6mm, the open spanner is movably connected to the front end of the porcelain bottle nut fastener, the length of a torque arm of the open spanner is adjustable, and the open spanner is adaptive to porcelain bottle nuts with the specification of 27-30mm. Therefore, the electrified fastener is safe, reliable, high in applicability and convenient to maintain, the insulating rod is made of epoxy resin composite materials, anti-slip lines reduce the risk of electric shock, the overall structure is stable, tool faults are reduced, the torque arm of the open spanner is adjustable, various nuts are adapted, the application range is expanded, slipping is avoided through the design of the fixed iron sheet and the rubber mat, the fastening effect is guaranteed, and the connector is detachable. All parts are easy to maintain and replace, and use cost is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of power maintenance tools, and in particular to a live-line fastener for porcelain insulator nuts. Background Technology

[0002] In modern society, the stability of power supply is of paramount importance, and power supply reliability has become a core indicator for evaluating the service of power companies. As a crucial link in power transmission, the operational status of 10kV lines directly impacts the stability of power supply. However, numerous problems currently exist with 10kV lines, seriously threatening power supply security.

[0003] During construction, due to the lack of on-site inspection and acceptance by personnel entering and leaving the site simultaneously, numerous hidden dangers arose after the lines were put into use. Coupled with the impact of natural disasters, in recent years, many 10kV lines have experienced loosening of insulator nuts. Loose insulator nuts can lead to insulator tilting, conductor detachment, and ultimately, power outages.

[0004] When power supply personnel discover loose porcelain insulator nuts during inspections, their options for handling the situation are extremely limited. If live-line work is not feasible on-site, they can only rely on the county-level live-line work team and wait for them to handle the issue on-site, which often requires a significant amount of time and resource coordination. Alternatively, they can submit a maintenance plan, but the approval and implementation process for such plans is lengthy. During this waiting period, the line may experience a power outage at any time due to the loose porcelain insulator nuts, causing substantial losses to power companies and users.

[0005] Existing live-line working tools have many shortcomings in addressing the problem of loose porcelain insulator nuts. Some tools cannot meet the tightening requirements of porcelain insulator nuts of different specifications, exhibiting poor versatility; some tools are complex to operate, requiring excessively high operator skills, and the safety of operation is difficult to guarantee; still others have unstable structures, making them prone to malfunction during live-line work, affecting work efficiency and quality. Therefore, the development of a live-line fastener that is easy to operate, safe and reliable, and adaptable to porcelain insulator nuts of different specifications is urgently needed. Utility Model Content

[0006] This utility model aims to at least partially solve one of the technical problems in the related art.

[0007] Therefore, the purpose of this utility model is to propose a live-line fastener for porcelain bottle nuts. This live-line fastener is safe, reliable, highly applicable, and easy to maintain. The insulating rod is made of epoxy resin composite material with anti-slip texture to reduce the risk of electric shock. The overall structure is stable, reducing tool failures. The torque arm of the open-end wrench is adjustable, adapting to various nuts and expanding the range of applications. The design of the fixing iron plate and rubber pad prevents slippage and ensures the fastening effect. The connector is detachable, and each component is easy to maintain and replace, reducing the cost of use.

[0008] To achieve the above objectives, this utility model proposes a live-line fastener for porcelain insulator nuts, comprising an insulating rod, a hexagonal nut, a washer, a spring washer, a porcelain insulator nut fastener, an open-end wrench, a rubber pad, a fixing iron plate, a hexagonal bolt, a male connector, a screw, and a female connector. The insulating rod consists of two rods, each 1200mm long and 36mm in diameter, connected by a butt joint to extend the distance between the operator and the live line. They are made of epoxy resin composite material with an anti-slip texture and a withstand voltage rating of not less than 10kV. The porcelain insulator nut fastener measures 82mm in length, 38mm in width, and 55mm in height, with an interface at one end for connection to the insulating rod. The open-end wrench is 250mm long, 23mm wide, and 6mm thick, movably connected to the front end of the porcelain insulator nut fastener, and its torque arm length is adjustable to accommodate 27m... The device uses porcelain insulator nuts with diameters ranging from m to 30mm. Four fixing iron plates, each 57mm long, 22mm wide, and 3mm thick, are symmetrically fixed to both sides of the porcelain insulator nut fastener using hexagonal bolts. Four M10*36 hexagonal bolts penetrate the fixing iron plates and the porcelain insulator nut fastener, and are secured by the hexagonal nuts, washers, and spring washers. Two rubber pads, each 80mm long, 34mm wide, and 2mm thick, are positioned between the porcelain insulator nut fastener and the porcelain insulator contact surface. The male and female connectors are respectively fixed to the end of the insulating rod and the interface of the porcelain insulator nut fastener, achieving a detachable connection through a threaded structure. Three M3*25.0 screws are used to reinforce the connection between the male and female connectors.

[0009] This utility model discloses a live-line fastener for porcelain bottle nuts. This live-line fastener is safe, reliable, versatile, and easy to maintain. The insulating rod is made of epoxy resin composite material with anti-slip texture to reduce the risk of electric shock. The overall structure is stable, reducing tool failures. The open-end wrench torque arm is adjustable, adapting to various nuts and expanding the range of applications. The design of the fixing iron plate and rubber pad prevents slippage and ensures the fastening effect. The connector is detachable, and all parts are easy to maintain and replace, reducing the cost of use.

[0010] In addition, the ceramic insulator nut live fastener proposed in the above application may also have the following additional technical features:

[0011] Specifically, the open-end wrench is hinged to the groove at the front end of the porcelain bottle nut fastener via a pin, and the groove is provided with a slide rail structure for adjusting the torque arm length of the open-end wrench, with an adjustment range of 50mm to 150mm.

[0012] Specifically, the contact surface between the fixing iron plate and the porcelain bottle nut fastener is provided with staggered anti-slip patterns, and the depth of the anti-slip patterns is 0.5mm-1.0mm.

[0013] Specifically, the pad is made of silicone rubber and has a honeycomb microstructure on its surface, with a pore size of 1mm-2mm.

[0014] Specifically, the threaded connection between the male connector and the female connector is provided with a sealing ring made of fluororubber with a temperature resistance range of -40℃ to 120℃.

[0015] Specifically, the anti-slip texture of the insulating rod is a spiral groove with a groove spacing of 5mm-8mm and a depth of 1mm-2mm.

[0016] The advantages of this invention compared to existing technologies are as follows:

[0017] (1) The insulating rod is made of epoxy resin composite material with high pressure resistance. The surface anti-slip texture design makes it easy to operate, reducing the risk of electric shock to operators. All parts are firmly connected and the structure is stable, reducing safety accidents caused by tool failure during operation.

[0018] (2) The torque arm length of the open wrench is adjustable, which can be used to fit porcelain bottle nuts of 27mm to 30mm specifications. It is suitable for tightening nuts of various types of porcelain bottles, thus improving the tool's range of applications.

[0019] (3) The anti-slip texture of the fixed iron sheet, the special material and structural design of the rubber pad, and the reasonable connection between each component ensure the stability between the tool and the porcelain bottle and nut during the tightening process, effectively avoid slippage, and ensure the tightening effect.

[0020] (4) The detachable design of the connector facilitates the assembly and disassembly of the tool, making it easy to carry and transport. The components are simple in structure, easy to maintain and replace, and reduce the cost of use.

[0021] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0022] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

[0023] Figure 1 This is a front perspective view of a porcelain bottle nut electric fastener according to an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of the bottom structure of a live-lined ceramic bottle nut fastener according to an embodiment of the present invention;

[0025] Figure 3This is a perspective view of a porcelain bottle nut energized fastener according to an embodiment of the present invention;

[0026] Figure 4 This is a top view of a porcelain bottle nut electric fastener according to an embodiment of the present invention;

[0027] Figure 5 This is an exploded view of the components of a ceramic bottle nut electric fastener according to an embodiment of the present invention.

[0028] As shown in the figure: 1. Insulating rod; 2. Hex nut; 3. Washer; 4. Spring washer; 5. Porcelain bottle nut fastener; 6. Open-end wrench; 7. Rubber pad; 8. Fixing iron plate; 9. Hex bolt; 10. Connector male; 11. Screw; 12. Connector female. Detailed Implementation

[0029] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. Rather, the embodiments of the present invention include all variations, modifications, and equivalents falling within the spirit and scope of the appended claims.

[0030] The following description, in conjunction with the accompanying drawings, describes an embodiment of the present invention: a live-line fastener for a porcelain bottle nut.

[0031] like Figures 1-5 As shown, an embodiment of the present invention provides a live ceramic insulator nut fastener, comprising an insulating rod 1, a hexagonal nut 2, a washer 3, a spring washer 4, a ceramic insulator nut fastener 5, an open-end wrench 6, a rubber pad 7, a fixing iron plate 8, a hexagonal bolt 9, a male connector 10, a screw 11, and a female connector 12.

[0032] It is understood that the insulating rod 1 consists of two rods, each 1200mm long and 36mm in diameter, connected by a butt joint to extend the distance between the operator and the live line. They are made of epoxy resin composite material. This material has excellent electrical insulation properties, with a withstand voltage rating of not less than 10kV. After the two insulating rods 1 are butt-jointed, the overall length is 2500mm, ensuring an effective distance of at least 2000mm between the operator and the live conductor, which complies with the "Electrical Safety Regulations" regarding live-line working distance. This effectively ensures the safety of the operator during live-line work. Simultaneously, the surface of the insulating rod 1 has anti-slip textures, increasing the friction between the operator's hand and the rod, facilitating operation and preventing slippage.

[0033] The porcelain bottle nut fastener 5 measures 82mm in length, 38mm in width, and 55mm in height, and is the main structure of the entire fastener. One end of it has an interface for connecting to the insulating rod 1, providing a mounting and support base for other components.

[0034] The open-end wrench 6 is 250mm long, 23mm wide, and 6mm thick, and is movably connected to the front end of the porcelain insulator nut fastener 5. Its torque arm length is adjustable, which can accommodate porcelain insulator nuts of 27mm to 30mm in size, enhancing the tool's versatility.

[0035] The fixing iron plates 8 are 57mm long, 22mm wide, and 3mm thick, and there are four of them. They are symmetrically fixed to both sides of the porcelain bottle nut fastener 5 by M10*36 hexagonal bolts 9, which serve to reinforce and stabilize the entire device structure.

[0036] Four hex bolts (9) are M10*36 in size. They pass through the fixing plate 8 and the porcelain insulator nut fastener 5, and are locked in place by the hex nut 2, washer 3, and spring washer 4. This connection method ensures the firmness and stability of the connection between the fixing plate 8 and the porcelain insulator nut fastener 5.

[0037] The rubber pad 7 measures 80mm in length, 34mm in width, and 2mm in thickness, and consists of two pieces. It is placed between the ceramic insulator nut fastener 5 and the contact surface of the ceramic insulator to provide cushioning and anti-slip properties, preventing damage to the surface of the ceramic insulator during tightening.

[0038] The male connector 10 and the female connector 12 are respectively fixed to the end of the insulating rod 1 and the interface of the porcelain bottle nut fastener 5, and the connection is detachable through the threaded structure. This design facilitates the carrying, assembly and disassembly of the tool.

[0039] Screw 11 is M3*25.0, and there are three of them. They are used to reinforce the connection between connector male 10 and connector female 12, and further ensure the stability of the connection between insulating rod 1 and porcelain bottle nut fastener 5.

[0040] Assembly stage

[0041] First, connect the two insulating rods 1 to the connector male 10. Specifically, fix the connector male 10 to the end of each insulating rod 1, and then reinforce it with three M3*25.0 screws 11 to ensure a tight connection between the connector male 10 and the insulating rod 1, preventing loosening during subsequent operations. These two insulating rods 1 will later be joined together to increase the distance between the operator and the live lines.

[0042] Next, the connector female 12 is installed at the interface of the porcelain insulator nut fastener 5. The mated connector male 10 is then connected to the connector female 12 via a threaded connection, completing the combination of the two insulating rods 1 and the porcelain insulator nut fastener 5. After the two insulating rods 1 are mated, the total length, including the connector, reaches 2500mm. This ensures an effective distance of at least 2000mm between the worker and the live conductor, meeting the live-line working distance requirements of the power safety regulations.

[0043] Take four fixing iron plates 8 and place them symmetrically on both sides of the porcelain bottle nut fastener 5. Use four M10*36 hex bolts 9 to pass through the fixing iron plates 8 and the porcelain bottle nut fastener 5 in sequence. Then install washers 3 and spring washers 4 on the bolts in sequence. Finally, tighten with hex nuts 2 to firmly fix the fixing iron plates 8 on the porcelain bottle nut fastener 5.

[0044] Install two rubber pads 7 at the contact surface between the porcelain bottle nut fastener 5 and the porcelain bottle, ensuring that the rubber pads 7 are placed flat to perform their cushioning and anti-slip functions.

[0045] Preparation stage

[0046] Adjust the torque arm length of the open-end wrench 6 according to the specifications of the porcelain insulator nut to be tightened. Since the open-end wrench 6 is movably connected to the front end of the porcelain insulator nut fastener 5 and the torque arm length is adjustable, adjust it to a suitable position so that the open-end wrench 6 can be tightly fitted to the porcelain insulator nut to be tightened.

[0047] Before performing live work, operators must wear insulated protective equipment, check the insulation performance of the two insulating rods 1 to ensure that all parts of the fastener are securely connected and undamaged.

[0048] Fastening operation phase

[0049] The operator holds the assembled insulating rod 1 in their left hand and accurately inserts the open-end wrench 6 into the porcelain insulator nut to be tightened. Then, with their right hand, they push the insulating rod 1 clockwise, applying appropriate torque to rotate the open-end wrench 6 and tighten the nut. During operation, it is important to maintain a stable force to avoid damaging the nut or slipping the tool due to excessive or uneven force.

[0050] Because the insulating rod 1 has good insulation properties and a suitable length, operators can maintain a safe distance from live parts, effectively reducing the risk of electric shock. Meanwhile, the design of the fixing plate 8 and the rubber pad 7 ensures the stability of the fastener during operation, preventing it from shaking or shifting.

[0051] Homework completion stage

[0052] After tightening the porcelain insulator nuts, first check whether the nuts meet the tightening requirements, such as whether the nuts are tightened and whether the porcelain insulator is installed securely.

[0053] Then, disassemble the fasteners in the reverse order of assembly. First, loosen the hexagonal nut 2 and remove the fixing plate 8; then separate the male connector 10 from the female connector 12, so that the insulating rod 1 is separated from the porcelain bottle nut fastener 5.

[0054] Clean and maintain all components, checking for damage or wear, and repair or replace them promptly if necessary. Store all components properly for future use.

[0055] In one embodiment of this utility model, such as Figures 1-5 As shown, the open-end wrench 6 is hinged to the groove at the front end of the porcelain bottle nut fastener 5 by a pin, and the groove is provided with a slide rail structure for adjusting the torque arm length of the open-end wrench 6, with an adjustment range of 50mm to 150mm.

[0056] Among these, the torque arm length adjustment process is understandable.

[0057] Determine adjustment requirements: Based on the location and space of the porcelain insulator nut to be tightened, as well as the required tightening torque, the operator determines the torque arm length that the open-end wrench 6 needs to be adjusted to. For example, if the porcelain insulator nut is in a narrow space, the torque arm length may need to be shortened; if a greater tightening force is required, the torque arm can be appropriately lengthened.

[0058] Unlocking open wrench 6: Since open wrench 6 is hinged to the front groove of porcelain bottle nut fastener 5 by a pin, and the slide rail structure in the groove is equipped with a locking bolt, the operator can use a tool to loosen the bolt so that open wrench 6 can slide freely on the slide rail.

[0059] Adjusting the torque arm length: The operator manually holds the open-end wrench 6 and slides it along the slide rail structure within the groove at the front end of the porcelain insulator nut fastener 5. The slide rail within the groove guides the open-end wrench 6, ensuring its smooth movement. During the sliding process, carefully observe the change in the torque arm length. The adjusted length can be accurately determined by the scale markings on the slide rail. For example, when the torque arm length needs to be adjusted to 80mm, slide the open-end wrench 6 along the slide rail to the position indicated by the 80mm mark.

[0060] Locking open-end wrench 6: After the open-end wrench 6 is adjusted to the required torque arm length, the operator uses the tool again to tighten the previously loosened locking bolt to fix the open-end wrench 6 in the current position, preventing the open-end wrench 6 from shifting during the tightening operation and ensuring that the adjusted torque arm length is stable and reliable.

[0061] Check the adjustment effect: After locking the open-end wrench 6, the operator should gently shake it or apply a certain force to check whether the open-end wrench 6 is firmly fixed in the adjusted position. At the same time, reconfirm whether the torque arm length meets the operation requirements. If there is any deviation, the above adjustment steps can be repeated for fine adjustment.

[0062] In one embodiment of this utility model, such as Figures 1-5 As shown, the contact surface between the fixed iron plate 8 and the porcelain bottle nut fastener 5 is provided with staggered anti-slip patterns, and the depth of the anti-slip patterns is 0.5mm-1.0mm.

[0063] It is understandable that during assembly, the fixing iron plates 8 are symmetrically placed on both sides of the porcelain insulator nut fastener 5. Due to the presence of anti-slip textures, when the fixing iron plates 8 and the porcelain insulator nut fastener 5 are in contact, the textures interlock, increasing the friction between them. The operator uses hex bolts 9 to pass through the corresponding mounting holes on the fixing iron plates 8 and the porcelain insulator nut fastener 5 in sequence. At this time, the anti-slip textures prevent the fixing iron plates 8 from sliding or shifting during installation, making the bolt installation smoother. After installing the hex bolts 9, washers 3 and spring washers 4 are then placed on in sequence, and finally the hex nut 2 is tightened. During the tightening of the nut, the anti-slip textures further enhance the friction between the fixing iron plates 8 and the porcelain insulator nut fastener 5, ensuring that the fixing iron plates 8 are firmly fixed to the porcelain insulator nut fastener 5, and preventing the structural stability of the entire fastener from being affected by loose connections.

[0064] When tightening porcelain insulator nuts, the operator holds an insulated rod 1 and operates an open-end wrench 6 to tighten the nuts. During this process, the fastener is subjected to various forces, such as torsional forces and vibrations. The anti-slip texture on the contact surface between the fixing plate 8 and the porcelain insulator nut fastener 5 effectively resists these forces, preventing relative slippage between them. Even in harsh working environments, such as strong winds or equipment vibrations, the anti-slip texture ensures that the fixing plate 8 remains firmly connected to the porcelain insulator nut fastener 5, maintaining the structural integrity of the entire fastener. This ensures that the open-end wrench 6 can stably tighten the porcelain insulator nuts, improving the safety and reliability of the operation.

[0065] In one embodiment of this utility model, such as Figures 1-5 As shown, the pad 7 is made of silicone rubber and has a honeycomb microstructure on its surface with a pore size of 1mm-2mm.

[0066] It is understandable that when using a live-lined ceramic insulator nut tightener to tighten the ceramic insulator nut, the operator will apply a certain force through the insulating rod 1. The silicone rubber material and honeycomb microstructure of the rubber pad 7 can effectively buffer this force, preventing rigid collisions between the ceramic insulator nut tightener 5 and the ceramic insulator, thus protecting the surface of the ceramic insulator from damage. For example, when the open-end wrench 6 rotates and applies torque to the ceramic insulator nut, the resulting impact force will be transmitted to the rubber pad 7, which will absorb and disperse this energy, reducing damage to the ceramic insulator.

[0067] The honeycomb microstructure increases the contact area between the rubber pad 7 and the surface of the porcelain bottle. Furthermore, during contact, the air within the microstructure creates an adsorption force, thereby increasing the friction between the rubber pad 7 and the porcelain bottle. This ensures that the porcelain bottle nut fastener 5 is stably fixed to the porcelain bottle during tightening operations, preventing slippage or displacement and guaranteeing the accuracy and safety of the operation.

[0068] The silicone rubber pad 7 has excellent insulation properties, further enhancing the insulation effect of the porcelain insulator nut fastener. In live-line working environments, it prevents current from being conducted through the porcelain insulator nut fastener 5 to the operator's hand, ensuring operator safety.

[0069] In one embodiment of this utility model, such as Figures 1-5 As shown, the threaded connection of connector male 10 and connector female 12 is provided with a sealing ring made of fluororubber with a temperature resistance range of -40℃ to 120℃.

[0070] It is understandable that when the porcelain insulator nut fastener is put into use, the fluororubber sealing ring can exert its excellent sealing performance in both high-temperature and low-temperature outdoor environments. In a low-temperature environment of -40℃, the fluororubber still maintains a certain degree of elasticity and will not harden or become brittle due to the low temperature, continuously maintaining the sealing effect on the threaded connection and preventing external moisture, dust, and other impurities from entering the connection. In a high-temperature environment of 120℃, the fluororubber will not melt or deform excessively, effectively blocking the corrosion of the connection by hot air and chemical gases generated at high temperatures. During live-line work, even if the fastener is subjected to external forces such as vibration and shaking, the tight fit of the fluororubber sealing ring ensures that the connection remains sealed, preventing problems such as poor contact and corrosion caused by impurities entering, ensuring the stability and reliability of the connection between the insulating rod 1 and the porcelain insulator nut fastener 5, thereby ensuring the safety of the operator and the smooth progress of the operation.

[0071] In one embodiment of this utility model, such as Figures 1-5 As shown, the anti-slip texture of the insulating rod 1 is a spiral groove with a groove spacing of 5mm-8mm and a depth of 1mm-2mm.

[0072] It is understandable that before using the porcelain insulator nut live-line fastener, the operator will hold the insulating rod 1. At this point, the spiral groove anti-slip design advantage becomes apparent. The operator's hand makes close contact with the grooves, which are spaced 5mm-8mm apart, perfectly suited for finger grip, allowing the fingers to naturally embed themselves within the grooves. The 1mm-2mm deep grooves increase the friction between the hand and the insulating rod 1, effectively preventing the hand from slipping off the rod 1 even in wet or oily environments.

[0073] Specifically, in actual operation, suppose during a routine inspection of a 10kV distribution line, workers discover that the porcelain insulator nut located high on a utility pole is loose. Since this line is a critical power supply line, a power outage for maintenance would significantly impact numerous nearby users. Therefore, it is decided to use this live-line porcelain insulator nut fastener for live-line work:

[0074] I. Working Environment and Site Survey Requirements: Tightening porcelain insulator nuts is considered live-line work and should be carried out in good weather with humidity below 80%. A site survey must be conducted before using a live-line tightening tool for porcelain insulator nuts to confirm that the work site meets the requirements for live-line work. Workers must carefully check the size of the nut to be tightened to ensure it matches the specifications of the open-end wrench used, and adjust the wrench's effective torque arm according to the site conditions to ensure smooth tightening of the porcelain insulator nuts.

[0075] II. Assembling the Fastener: Workers retrieved the various components of the porcelain insulator nut live-line fastener from the tool magazine. For this operation, two 1200mm long, 36mm diameter insulating rods 1 were selected. These rods are made of epoxy resin composite material with spiral grooves on the surface for easy gripping. The male connector 10 was installed at the ends of the two insulating rods 1, and secured with three M3*25.0 screws 11 to ensure a stable connection. Then, the two insulating rods 1 were extended by connecting them together, and the female connector 12 was installed on the interface of the porcelain insulator nut fastener 5, connecting the insulating rods 1 and the porcelain insulator nut fastener 5. After connecting the two insulating rods 1, the total length, including the connector, reaches 2500mm, ensuring an effective distance of at least 2000mm between the worker and the live conductor, meeting the live-line working distance requirements of the power safety regulations.

[0076] Next, symmetrically place four fixing iron plates 8 on both sides of the porcelain insulator nut fastener 5. Use M10*36 hex bolts 9 to pass through the fixing iron plates 8 and the porcelain insulator nut fastener 5 in sequence, then put on washers 3 and spring washers 4, and tighten with hex nuts 2. Finally, install two rubber pads 7 on the contact surface between the porcelain insulator nut fastener 5 and the porcelain insulator to ensure that it is placed flat, so as to play a role in cushioning and anti-slip.

[0077] 3. Adjusting the open-end wrench: The worker observed the position of the porcelain insulator nut to be tightened and found it to be in a relatively narrow space. Therefore, it was decided to adjust the torque arm of the open-end wrench 6 to its shortest setting of 50mm. The open-end wrench 6 is 250mm long, 23mm wide, and 6mm thick, and is hinged to the front groove of the porcelain insulator nut fastener 5 via a pin. The worker used a tool to loosen the locking bolt of the slide rail structure in the groove, manually pushed the open-end wrench 6 along the slide rail to the 50mm mark, then tightened the locking bolt, and gently shook the open-end wrench 6 to confirm it was securely fixed.

[0078] IV. Tightening Operation: A dedicated person will be assigned to supervise the work site. Live-line work on the pole will be performed by experienced personnel. After arriving at the work position, the worker should ensure their position is to the left of the porcelain insulator nut to be tightened. The worker should wear insulated protective gear and climb the utility pole with the assembled and tested fastener. Upon reaching the work position, the worker should hold the assembled insulated rod 1 in their left hand and accurately insert the open-end wrench 6 into the 27mm to 30mm porcelain insulator nut to be tightened. During operation, maintain a moderate range of motion and ensure a sufficient safe distance between all parts of the worker and the live conductor. The right hand should push the insulated rod 1 evenly and slowly in a clockwise direction, repeating the operation until the loose porcelain insulator nut is tightened. During rotation, the anti-slip texture on the contact surface between the fixing iron plate 8 and the porcelain insulator nut fastener 5 effectively prevents relative slippage between the two, while the rubber pad 7 cushions the impact force during the operation, preventing damage to the porcelain insulator. The excellent insulation performance of the insulated rod 1 ensures that the worker maintains a safe distance from the live conductor, guaranteeing personal safety.

[0079] V. Inspection and Finishing: After tightening, recheck that the porcelain insulator nut is properly tightened. First, visually inspect whether the porcelain insulator is upright. Then, use the insulating rod 1 to touch the porcelain insulator from the side to check if it swings, confirming that the nut is properly tightened. If the tightening requirement is not met, repeat the tightening steps. After confirming that the tightening is complete, follow the reverse order of assembly: first, loosen the hexagonal nut 2 and remove the fixing iron plate 8; then, separate the male connector 10 and the female connector 12, separating the insulating rod 1 from the porcelain insulator nut fastener 5. Clean and maintain all components, checking for damage or wear. Repair or replace any components as needed. Store all components properly for future use.

[0080] In summary, the ceramic bottle nut live fastener of this utility model embodiment is safe, reliable, highly applicable, and easy to maintain. The insulating rod is made of epoxy resin composite material, and the anti-slip texture reduces the risk of electric shock. The overall structure is stable, reducing tool failures. The open-end wrench torque arm is adjustable, adapting to various nuts and expanding the range of applications. The design of the fixing iron plate and rubber pad prevents slippage and ensures the fastening effect. The connector is detachable, and all components are easy to maintain and replace, reducing the cost of use.

[0081] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0082] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0083] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A live porcelain knob nut tightener characterized by, The utility model relates to an insulating rod (1), a hexagon nut (2), a gasket (3), a spring washer (4), a porcelain bottle nut fastener (5), an open wrench (6), a rubber pad (7), a fixed iron sheet (8), a hexagonal bolt (9), a connector male (10), a screw (11) and a connector female (12), wherein, The insulating rod (1) is two, each with a length of 1200mm and a diameter of 36mm, is connected in butt joint to lengthen the distance between the operator and the live line, is made of epoxy resin composite material, has anti-skid lines on the surface, and has a withstand voltage grade of no less than 10kV; The porcelain bottle nut fastener (5) has a size of 82mm in length, 38mm in width and 55mm in height, and is provided with an interface at one end for connection with the insulating rod (1); The open wrench (6) has a length of 250mm, a width of 23mm and a thickness of 6mm, is movably connected to the front end of the porcelain bottle nut fastener (5), has an adjustable torque arm length, and is suitable for porcelain bottle nuts with a size of 27mm to 30mm; The fixed iron sheet (8) has a size of 57mm in length, 22mm in width and 3mm in thickness, and is symmetrically fixed to the two sides of the porcelain bottle nut fastener (5) by the hexagonal bolt (9); The hexagonal bolt (9) has a size of M10*36, and there are four of them, which penetrate through the fixed iron sheet (8) and the porcelain bottle nut fastener (5), and are locked by the hexagon nut (2), the gasket (3) and the spring washer (4); The rubber pad (7) has a size of 80mm in length, 34mm in width and 2mm in thickness, and there are two of them, which are arranged between the contact surface of the porcelain bottle nut fastener (5) and the porcelain bottle; The connector male (10) and the connector female (12) are respectively fixed to the end of the insulating rod (1) and the interface of the porcelain bottle nut fastener (5), and are detachably connected through a threaded structure; The screw (11) has a size of M3*25.0, and there are three of them, which are used for reinforcing the connection between the connector male (10) and the connector female (12).

2. A live cap nut tightener according to claim 1, wherein The open wrench (6) is hinged to the groove at the front end of the porcelain bottle nut fastener (5) through a pin shaft, and the groove is provided with a slide rail structure for adjusting the torque arm length of the open wrench (6), and the adjustment range is 50mm to 150mm.

3. A live cap nut tightener according to claim 1, wherein The contact surface of the fixed iron sheet (8) and the porcelain bottle nut fastener (5) is provided with staggered anti-skid lines, and the depth of the anti-skid lines is 0.5mm-1.0mm.

4. A live cap nut tightener according to claim 1, wherein The rubber pad (7) is made of silicone rubber material, and the surface is provided with a honeycomb-shaped microstructure, and the pore size of the microstructure is 1mm-2mm.

5. A live cap nut tightener according to claim 1 wherein, The threaded connection between the connector male (10) and the connector female (12) is provided with a sealing ring made of fluororubber, and the temperature resistance range is -40℃ to 120℃.

6. A live cap nut tightener according to claim 1 wherein, The anti-skid lines of the insulating rod (1) are spiral grooves, the groove spacing is 5mm-8mm, and the depth is 1mm-2mm.

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