A high-voltage electrical appliance overhauling isolation protection device

Abstract

The application relates to the technical field of high-voltage electrical appliance maintenance, and discloses a high-voltage electrical appliance maintenance isolation protection device, which comprises a bottom support plate, a support column is arranged on the upper side of the bottom support plate, a moving frame is sleeved with the outer side of the support column through an adjusting assembly, an installation plate is connected with the front side of the moving frame through a rotating assembly, a protective cover is arranged on the front side of the installation plate, a buffer assembly is arranged on the front side of the protective cover, fitting assemblies are arranged on the two sides in the protective cover, a connecting plate is arranged on the front side of the fitting assemblies, a universal arm is arranged in the middle of the protective cover, and operating pliers are arranged on the front side of the universal arm. Compared with the prior art, the isolation protection device eliminates the risk of deviation and the rigid impact on the high-voltage electrical appliance, and the safety and work efficiency of the maintenance operation are greatly improved.

Description

Technical Field

[0001] This invention relates to the field of high-voltage electrical appliance maintenance technology, specifically to a high-voltage electrical appliance maintenance isolation and protection device. Background Technology

[0002] High-voltage electrical equipment such as switchgear, distribution panels, and transformers are core components for the safe and stable operation of power systems. After long-term operation, these high-voltage electrical appliances are subject to the combined effects of electrical stress, thermal stress, and mechanical stress, significantly increasing their probability of failure. Therefore, regular power outage maintenance is required according to regulations. Maintenance work at the site is considered special operation with an extremely high risk of electric shock. Work regulations explicitly require that all exposed high-voltage parts be equipped with insulating protective devices to achieve insulation shielding and create the final safety barrier against accidental contact.

[0003] Currently, most isolation and protection devices used in maintenance sites employ simple snap-fit ​​structures, exhibiting insufficient design redundancy and weak limiting and anti-disturbance capabilities. In actual working environments, equipment shaking caused by maintenance personnel's operations, and external vibrations generated by adjacent equipment, can all lead to unexpected positional shifts in the isolation and protection devices, creating potential openings for electric shock. If a maintenance worker's exposed limbs or maintenance tools accidentally enter a live area through these openings, it can easily result in serious electric shock injuries or fatalities. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a high-voltage electrical appliance maintenance isolation and protection device, which aims to solve the problem that during the maintenance of high-voltage electrical appliances, the isolation and protection device may experience unexpected positional displacement due to external disturbances, resulting in the loss of effective insulation and shielding for exposed high-voltage live parts.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a high-voltage electrical appliance maintenance isolation and protection device, comprising a bottom support plate, a support column on the upper side of the bottom support plate, a movable frame sleeved on the outer side of the support column via an adjustment component, an mounting plate connected to the front side of the movable frame via a rotating component, a protective cover on the front side of the mounting plate, a buffer component on the front side of the protective cover, fitting components on both sides inside the protective cover, a connecting piece on the front side of the fitting components, a universal arm in the middle inside the protective cover, and an operating clamp on the front side of the universal arm.

[0006] By adopting the above technical solution, the present invention utilizes adjustment components, rotation components, buffer components and contact components to achieve precise positioning and flexible contact of the protective cover with high-voltage electrical appliances, and uses universal arms and operating clamps to achieve automatic inspection and maintenance of faulty parts. Compared with the prior art, it eliminates the risk of displacement of the isolation and protection device, as well as its rigid impact on high-voltage electrical appliances, and greatly improves the safety and work efficiency of maintenance operations.

[0007] Preferably, a stabilizing rod is fixed to the upper side of the bottom support plate, a moving wheel is installed on the lower side of the bottom support plate, and positioning components are installed on both sides of the bottom support plate. The positioning components are hydraulic positioning structures, threaded positioning structures, or other structural forms with equivalent positioning functions.

[0008] Preferably, the adjustment component includes a rotating rod, which is rotatably installed in the middle of the movable frame, and has matching sliding grooves on both sides of the support column. An adjustment gear is installed on the outside of the rotating rod, and a matching rack is fixed inside the support column.

[0009] Preferably, the rotating assembly includes a rotating frame, an adjusting rack is slidably installed in the middle of the rotating frame, and a matching gear is fixedly provided on the rear side of the mounting plate. Fixed rods are installed on both sides of the rotating frame, and a matching rotating ring is fixedly provided on the rear side of the mounting plate.

[0010] Preferably, the driving source of the adjustment component is a drive motor installed on the side of the movable frame, and the power output end of the drive motor is connected to one end of the rotating rod. The driving source of the rotation component is an electric telescopic rod installed on the lower side of the rotating frame, and the top of the electric telescopic rod is connected to the lower side of the adjustment rack.

[0011] Preferably, the buffer assembly includes an extension plate, which is slidably mounted on the front side of the protective cover. A contact ring is installed on the front side of the extension plate, and a buffer pad is installed on the front side of the contact ring. The buffer pad is a hollow elastic structure or a solid elastic structure, and is made of elastomeric materials such as silicone or rubber.

[0012] Preferably, the bonding component includes a hollow fixing piece, a hollow fixing frame is fitted onto the hollow portion of the fixing piece, an adjusting rod is slidably installed inside the fixing frame, the rear side of the adjusting rod is connected to the inner wall of the rear side of the fixing frame through an elastic element, and the front side of the adjusting rod is connected to a contact ring through a connecting piece.

[0013] Preferably, the protective cover is detachably connected to the mounting plate at the rear center via bolts, a universal arm is installed in the center inside the protective cover, and an operating clamp is installed at the front of the universal arm.

[0014] Preferably, the protective cover is made of a transparent material or an opaque material with an observation window, a grounding pipe is installed on the lower side of the protective cover, and an indicator light is installed on the upper side of the support column.

[0015] Working principle: First, the drive motor drives the rotating rod to rotate, and the adjusting component moves the protective cover up and down until it reaches the appropriate height; then, the electric telescopic rod drives the adjusting rack to move, and the rotating component rotates the protective cover until it reaches the appropriate angle; subsequently, the moving wheels move the entire device, and the buffer component and the contact component achieve flexible contact between the protective cover and the high-voltage electrical equipment; finally, the positioning component fixes the entire device, and the universal arm and operating clamps ensure the safety and efficiency of high-voltage electrical equipment maintenance.

[0016] This invention provides a high-voltage electrical appliance maintenance isolation and protection device, which has the following beneficial effects: 1. By setting an adjustment component, the height of the protective cover can be flexibly adjusted, which can be compatible with high-voltage electrical appliances of different heights and adapt to the space height requirements of various maintenance parts of the same electrical appliance.

[0017] 2. By setting a rotating component, the angle of the protective cover can be flexibly adjusted, which can be compatible with high-voltage electrical appliances with different tilt angles, and can also adapt to the operating angle requirements of various maintenance parts of the same electrical appliance.

[0018] 3. By setting up a buffer component and a bonding component, the present invention can achieve flexible contact between the protective cover and the high-voltage electrical appliance, which avoids rigid impact and can adapt to the contour changes of electrical appliances of different shapes and their maintenance parts.

[0019] 4. By setting up a universal arm and operating clamps, this invention can achieve the complementary coexistence of manual and automatic maintenance. The automatic mode ensures the safety and efficiency of routine operations, while the manual mode facilitates flexible handling of complex situations. Attached Figure Description

[0020] Figure 1 This is a perspective view of the present invention; Figure 2 This is an exploded view of the present invention; Figure 3 This is a schematic diagram of the adjustment component structure of the present invention; Figure 4 This is a schematic diagram of the rotating component structure of the present invention; Figure 5 This is a schematic diagram of the structure of the buffer component and the bonding component of the present invention; Figure 6 This is another structural schematic diagram of the buffer component and bonding component of the present invention.

[0021] The accompanying drawings are for illustrative purposes only. The shapes, sizes, and spacing of some components have been simplified or exaggerated and are not intended to limit the scope of this invention.

[0022] The components include: 1. Bottom support plate; 2. Support column; 3. Adjustment assembly; 301. Rotating rod; 302. Adjusting gear; 303. Rack; 4. Moving frame; 5. Rotating assembly; 501. Rotating frame; 502. Adjusting rack; 503. Gear; 504. Fixing rod; 505. Rotating ring; 6. Mounting plate; 7. Protective cover; 8. Buffer assembly; 801. Extension plate; 802. Contact ring; 803. Buffer pad; 9. Fitting assembly; 901. Fixing piece; 902. Fixing frame; 903. Adjusting rod; 904. Elastic element; 10. Connecting piece; 11. Universal arm; 12. Operating clamp; 13. Stabilizing rod; 14. Moving wheel; 15. Positioning element; 16. Drive motor; 17. Electric telescopic rod; 18. Grounding pipe; 19. Signal light. Detailed Implementation

[0023] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0024] Please see the appendix Figure 1 Appendix Figure 2 Appendix Figure 5 This invention provides a high-voltage electrical appliance maintenance isolation and protection device, including a bottom support plate 1, a support column 2 on the upper side of the bottom support plate 1, a movable frame 4 sleeved on the outer side of the support column 2 via an adjustment component 3, an installation plate 6 connected to the front side of the movable frame 4 via a rotating component 5, a protective cover 7 on the front side of the installation plate 6, a buffer component 8 on the front side of the protective cover 7, fitting components 9 on both sides inside the protective cover 7, a connecting piece 10 on the front side of the fitting components 9, a universal arm 11 in the middle inside the protective cover 7, and an operating clamp 12 on the front side of the universal arm 11.

[0025] Specifically, the bottom support plate 1 and the support column 2 provide platform support for the entire device, the adjustment component 3 enables the moving frame 4 to move up and down, the rotating component 5 enables the mounting plate 6 to rotate, the buffer component 8 and the fitting component 9 enable the protective cover 7 to make flexible contact with the high-voltage electrical appliances, the connecting piece 10 enables the buffer component 8 and the fitting component 9 to be detachably connected, and the universal arm 11 and the operating clamp 12 can improve the safety level of maintenance operations.

[0026] Please see the appendix Figure 1 Appendix Figure 2 A stabilizing rod 13 is fixed on the upper side of the bottom support plate 1, and a moving wheel 14 is installed on the lower side of the bottom support plate 1. Positioning components 15 are installed on both sides of the bottom support plate 1. The positioning components 15 are hydraulic positioning structures, threaded positioning structures, or other structural forms with equivalent positioning functions.

[0027] Specifically, the stabilizer bar 13 provides lateral support for the support column 2 and also lowers the center of gravity of the entire device. The moving wheel 14 can adjust the position of the entire device, and the positioning component 15 can achieve stable positioning of the entire device.

[0028] Please see the appendix Figure 3 The adjustment component 3 includes a rotating rod 301, which is rotatably installed in the middle of the moving frame 4. The support column 2 has matching sliding grooves on both sides. An adjustment gear 302 is installed on the outside of the rotating rod 301, and a matching rack 303 is fixed inside the support column 2.

[0029] Specifically, the rotating rod 301 is driven to rotate by an external force, which drives the adjusting gear 302 to rotate synchronously. The rack 303 is engaged with the adjusting gear 302, thereby converting the rotational motion of the rotating rod 301 into the up-and-down movement of the moving frame 4. The protective cover 7 moves synchronously with the moving frame 4, thereby achieving height adjustment.

[0030] Please see the appendix Figure 4 The rotating assembly 5 includes a rotating frame 501, an adjusting rack 502 is slidably installed in the middle of the rotating frame 501, and a matching gear 503 is fixedly installed on the rear side of the mounting plate 6. Fixed rods 504 are installed on both sides of the rotating frame 501, and a matching rotating ring 505 is fixedly installed on the rear side of the mounting plate 6.

[0031] Specifically, the adjusting rack 502 is driven to move by an external force, and after being limited by the fixed rod 504 and the rotating ring 505, it is engaged with the gear 503, thereby converting its movement into the rotational motion of the mounting plate 6. The protective cover 7 rotates synchronously with the mounting plate 6 to achieve angle adjustment.

[0032] Please see the appendix Figure 3 Appendix Figure 4 The driving source of the adjustment component 3 is the drive motor 16 installed on the side of the moving frame 4. The power output end of the drive motor 16 is connected to one end of the rotating rod 301. The driving source of the rotating component 5 is the electric telescopic rod 17 installed on the lower side of the rotating frame 501. The top of the electric telescopic rod 17 is connected to the lower side of the adjustment rack 502.

[0033] Specifically, the drive motor 16 inputs power to the rotating rod 301, driving the adjustment component 3 to perform moving operations on the moving frame 4, and the electric telescopic rod 17 inputs power to the adjusting rack 502, driving the rotating component 5 to perform rotating operations on the mounting plate 6.

[0034] Please see the appendix Figure 5 Appendix Figure 6The buffer assembly 8 includes an extension plate 801, which is slidably mounted on the front side of the protective cover 7. A contact ring 802 is installed on the front side of the extension plate 801, and a buffer pad 803 is installed on the front side of the contact ring 802. The buffer pad 803 is a hollow elastic structure or a solid elastic structure, and the material is an elastomer material such as silicone or rubber.

[0035] Specifically, the extension plate 801 can provide sliding buffer space for the contact ring 802, and the buffer pad 803 can provide elastic buffer margin for the contact ring 802. The three work together to transform the rigid contact between the protective cover 7 and the high-voltage electrical appliance into a flexible contact.

[0036] Please see the appendix Figure 5 Appendix Figure 6 The bonding component 9 includes a hollow fixing piece 901, a hollow fixing frame 902 is fitted on the hollow part of the fixing piece 901, an adjusting rod 903 is slidably installed inside the fixing frame 902, the rear side of the adjusting rod 903 is connected to the inner wall of the rear side of the fixing frame 902 through an elastic element 904, and the front side of the adjusting rod 903 is connected to the contact ring 802 through a connecting piece 10.

[0037] Specifically, the fixing plate 901 can provide stable support for the fixing frame 902, the fixing frame 902 can limit the movement path of the adjusting rod 903, the elastic element 904 can provide the adjusting rod 903 with a reset elastic force, and the connecting piece 10 is used for linkage buffer assembly 8 and fitting assembly 9.

[0038] Please see the appendix Figure 2 Appendix Figure 5 The protective cover 7 is detachably connected to the mounting plate 6 via bolts in the middle of its rear side. A universal arm 11 is installed in the middle of the interior of the protective cover 7, and an operating clamp 12 is installed in front of the universal arm 11.

[0039] Specifically, the mounting plate 6 and the protective cover 7 are detachably connected by bolts to meet the universal adaptation and rapid maintenance needs of high-voltage electrical appliances of different specifications. The universal arm 11 and the operating clamp 12 can realize automatic maintenance, improving personnel safety and work efficiency.

[0040] Please see the appendix Figure 1 Appendix Figure 2 The protective cover 7 is made of transparent material or opaque material with an observation window. A grounding pipe 18 is installed on the lower side of the protective cover 7, and an indicator light 19 is installed on the upper side of the support column 2.

[0041] Specifically, the protective cover 7 is made of transparent material or has an observation window to facilitate manual observation of the maintenance work. The grounding pipe 18 is used to house the grounding wire to prevent accidental damage or failure of the grounding wire. The indicator light 19 is used to indicate the operating status of the device and assist manual monitoring of the maintenance work process.

[0042] Workflow: S1, Height and Angle Adjustment Start the drive motor 16 and use the adjustment component 3 to move the protective cover 7 up and down to adapt to high-voltage electrical appliances of different heights.

[0043] Start the electric telescopic rod 17, and use the rotating component 5 to realize the rotation of the protective cover 7 to adapt to high-voltage electrical appliances with different tilt angles.

[0044] S2, Contact and Fixation Push the moving wheel 14 to bring the protective cover 7 closer to the high-voltage electrical appliance, and use the buffer assembly 8 and the bonding assembly 9 to achieve flexible contact between the two.

[0045] Activate positioning component 15 to achieve stable positioning of the entire device and prevent the protective cover 7 from becoming loose from the high-voltage electrical appliances due to misalignment during maintenance.

[0046] S3, Dual-mode maintenance The universal arm 11 and the operating clamp 12 are activated to achieve automatic maintenance. The specific control logic and action execution are well known in the field and will not be described in detail here.

[0047] When faced with unstructured maintenance environments that cannot be handled by automated programs, the manual maintenance mode can be switched to. In this mode, the protective cover 7 is used only for isolation and protection.

[0048] Although embodiments of the present invention have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-voltage electrical appliance maintenance isolation and protection device, characterized in that: Includes a bottom support plate (1), a support column (2) is provided on the upper side of the bottom support plate (1), a movable frame (4) is sleeved on the outside of the support column (2) through an adjustment component (3), an installation plate (6) is connected to the front side of the movable frame (4) through a rotating component (5), a protective cover (7) is provided on the front side of the installation plate (6), a buffer component (8) is provided on the front side of the protective cover (7), a fitting component (9) is provided on both sides inside the protective cover (7), a connecting piece (10) is provided on the front side of the fitting component (9), a universal arm (11) is provided in the middle inside the protective cover (7), and an operating clamp (12) is provided on the front side of the universal arm (11).

2. The high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: A stabilizing rod (13) is fixed on the upper side of the bottom support plate (1), and a moving wheel (14) is installed on the lower side of the bottom support plate (1). Positioning components (15) are installed on both sides of the bottom support plate (1). The positioning components (15) are hydraulic positioning structures, threaded positioning structures, or other structural forms with equivalent positioning functions.

3. The high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: The adjustment component (3) includes a rotating rod (301), which is rotatably installed in the middle of the moving frame (4), and the support column (2) has matching sliding grooves on both sides. An adjustment gear (302) is installed on the outside of the rotating rod (301), and a matching rack (303) is fixed inside the support column (2).

4. A high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: The rotating assembly (5) includes a rotating frame (501), an adjusting rack (502) is slidably installed in the middle of the rotating frame (501), and a matching gear (503) is fixedly provided on the rear side of the mounting plate (6). Fixed rods (504) are installed on both sides inside the rotating frame (501), and a matching rotating ring (505) is fixedly provided on the rear side of the mounting plate (6).

5. A high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: The driving source of the adjustment component (3) is a drive motor (16) installed on the side of the moving frame (4). The power output end of the drive motor (16) is connected to one end of the rotating rod (301). The driving source of the rotating component (5) is an electric telescopic rod (17) installed on the lower side of the rotating frame (501). The top of the electric telescopic rod (17) is connected to the lower side of the adjustment rack (502).

6. A high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: The buffer assembly (8) includes an extension plate (801), which is slidably mounted on the front side of the protective cover (7). A contact ring (802) is installed on the front side of the extension plate (801), and a buffer pad (803) is installed on the front side of the contact ring (802). The buffer pad (803) is a hollow elastic structure or a solid elastic structure, and the material is an elastomer material such as silicone or rubber.

7. A high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: The bonding component (9) includes a hollow fixing piece (901), and a hollow fixing frame (902) is fitted on the hollow part of the fixing piece (901). An adjusting rod (903) is slidably installed inside the fixing frame (902). The rear side of the adjusting rod (903) is connected to the inner wall of the rear side of the fixing frame (902) through an elastic element (904). The front side of the adjusting rod (903) is connected to the contact ring (802) through a connecting piece (10).

8. A high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: The protective cover (7) is detachably connected to the mounting plate (6) by bolts in the middle of the rear side. A universal arm (11) is installed in the middle of the interior of the protective cover (7), and an operating clamp (12) is installed in the front of the universal arm (11).

9. A high-voltage electrical appliance maintenance isolation and protection device according to claim 1, characterized in that: The protective cover (7) is made of transparent material or opaque material with an observation window. A grounding pipe (18) is installed on the lower side of the protective cover (7), and a signal light (19) is installed on the upper side of the support column (2).

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