A special device for eliminating the heating failure of power grid equipment with electric charge

Abstract

The utility model relates to a special device of live elimination power grid equipment heating fault belongs to power grid equipment maintenance technical field, including extension pole, one end fixed connection of extension pole has fixed box, the outside of fixed box is provided with ratchet wrench, be provided with adjusting assembly between fixed box and ratchet wrench, adjusting assembly includes the first gear and second gear of setting in fixed box, first gear and second gear interlock, the upside fixed connection of first gear has first connecting shaft, first connecting shaft links with ratchet wrench. The special device of live elimination power grid equipment heating fault, when fastening screw in the narrow space, the ratchet wrench is adjusted to the corresponding suitable angle, and it is convenient to use, the existing device is adjusted nut sleeve direction through universal joint when using, and the adjusting range is bigger, and it is inconvenient to fasten screw in some narrow space, causes the problem of inconvenient use.

Description

Technical Field

[0001] This utility model relates to the field of power grid equipment maintenance technology, specifically a special device for eliminating overheating faults in power grid equipment while it is energized. Background Technology

[0002] Power grid equipment in a power system consists of many components, which are typically categorized into primary electrical equipment and secondary electrical equipment based on their respective roles in operation. Substations and transmission / distribution equipment at various voltage levels often exhibit defects such as loose bolts and clamps due to prolonged heavy loads or wind vibrations caused by abnormal weather. Far-infrared detection technology has revealed potential hazards related to joint temperature rise. If these issues are not addressed promptly, they could lead to line breaks or power outages.

[0003] A search revealed that patent document CN216289881U discloses a special device for eliminating overheating faults in energized power grid equipment. The device includes an insulated operating rod, a universal connector, a telescopic connecting rod, a camera, and a nut sleeve. The insulated operating rod is connected to the telescopic connecting rod via the universal connector. The telescopic connecting rod is connected to a camera via a camera base. The end of the telescopic connecting rod is connected to the nut sleeve. The device controls a ratchet mechanism for fault elimination via the energized insulated operating rod, allowing for forward and reverse rotation of the nut sleeve. Different sized nut sleeves can be used depending on the bolt size. It can connect to insulated operating rods of different voltage levels, with the connection point allowing for universal rotation. The length of the insulated operating rod can be adjusted according to site conditions. Using this device, personnel can easily tighten hardware at different overheating points in substations from the ground. It is also suitable for tightening bolts at ground potential on transmission and distribution lines.

[0004] However, when using this device, the direction of the nut sleeve is adjusted by the universal joint, and the adjustment range is large, which is not convenient for tightening screws in some narrow spaces, causing inconvenience in use. Therefore, a special device for eliminating the overheating fault of power grid equipment under live conditions is proposed to solve the above-mentioned problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a dedicated device for eliminating overheating faults in live power grid equipment. It has advantages such as easy adjustment of direction, and solves the problem that existing devices require a large adjustment range when adjusting the direction of the nut sleeve through a universal connector, which is inconvenient for tightening screws in some narrow spaces, causing inconvenience in use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a special device for eliminating overheating faults in live power grid equipment, comprising an extension rod, one end of which is fixedly connected to a fixing box, a ratchet wrench is provided on the outside of the fixing box, and an adjustment component is provided between the fixing box and the ratchet wrench; The adjustment assembly includes a first gear and a second gear disposed inside the fixed box. The first gear and the second gear mesh with each other. A first connecting shaft is fixedly connected to the upper side of the first gear. The first connecting shaft is connected to a ratchet wrench. A second connecting shaft is fixedly connected to the upper side of the second gear. A moving assembly is disposed on the outer side of the second connecting shaft. The movable component includes a mounting block fixedly connected to the top of the second connecting shaft and a fixing block fixedly connected to the outer wall of the fixing box. An adjusting screw is threadedly connected to the inner side of the fixing block, and one end of the adjusting screw is connected to the mounting block through a bearing.

[0007] Furthermore, an insulated handle is fixedly connected to the end of the extension rod away from the fixed box, and the bottom of the first gear is connected to the inner wall of the fixed box through a bearing.

[0008] Furthermore, a connecting arm is fixedly connected to the upper side of the first connecting shaft, and the ratchet wrench is installed on the outside of the connecting arm.

[0009] Furthermore, the fixing box has a slot-shaped opening near the second connecting shaft, and the second connecting shaft passes through the inside of the slot-shaped opening.

[0010] Furthermore, a knob is fixedly connected to the end of the adjusting screw away from the mounting block.

[0011] Furthermore, guide components are provided on both symmetrical sides of the fixing block. Each guide component includes a fixing cylinder fixedly connected to the top of the fixing box. A guide rod is inserted into the end of the fixing cylinder near the mounting block, and the end of the guide rod away from the fixing cylinder is fixedly connected to the mounting block.

[0012] Furthermore, a spring is provided between the mounting block and the fixing cylinder, and the spring is sleeved on the outer wall of the guide rod.

[0013] Compared with the prior art, this utility model provides a special device for eliminating overheating faults in energized power grid equipment, which has the following beneficial effects: This specialized device for eliminating overheating faults in live power grid equipment allows adjustment of the position of the second gear by rotating a knob. When the second gear is away from the first gear, the angle of the ratchet wrench can be slightly adjusted by rotating the connecting arm. When the second gear meshes with the first gear, the angle of the ratchet wrench can be fixed. This makes it easy to adjust the ratchet wrench to the appropriate angle when tightening screws in confined spaces, thus facilitating use. It solves the problem that existing devices, which use a universal connector to adjust the direction of the nut sleeve, have a large adjustment range, making it inconvenient to tighten screws in confined spaces and causing inconvenience. Attached Figure Description

[0014] Figure 1This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure of the fixing box of this utility model; Figure 3 This is a schematic diagram of the internal structure of the fixing box of this utility model; Figure 4 This is a structural schematic diagram of the fixing cylinder and mounting block of this utility model.

[0015] In the diagram: 1. Extension rod; 2. Insulated grip; 3. Fixing box; 4. Connecting arm; 5. Ratchet wrench; 6. First connecting shaft; 7. First gear; 8. Second gear; 9. Second connecting shaft; 10. Mounting block; 11. Fixing block; 12. Adjusting screw; 13. Knob; 14. Strip opening; 15. Fixing cylinder; 16. Guide rod; 17. Spring. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1 to 4 This embodiment of a special device for eliminating overheating faults in energized power grid equipment includes an extension rod 1, one end of which is fixedly connected to a fixing box 3, and the end of the extension rod 1 away from the fixing box 3 is fixedly connected to an insulated handle 2. A ratchet wrench 5 is provided on the outside of the fixing box 3.

[0018] In this embodiment, an adjustment assembly is provided between the fixed box 3 and the ratchet wrench 5. The adjustment assembly includes a first gear 7 and a second gear 8 disposed inside the fixed box 3. The bottom of the first gear 7 is connected to the inner wall of the fixed box 3 by a bearing. The first gear 7 and the second gear 8 mesh with each other. A first connecting shaft 6 is fixedly connected to the upper side of the first gear 7. A connecting arm 4 is fixedly connected to the upper side of the first connecting shaft 6. The ratchet wrench 5 is installed on the outside of the connecting arm 4. The first connecting shaft 6 is connected to the ratchet wrench 5. A second connecting shaft 9 is fixedly connected to the upper side of the second gear 8.

[0019] The fixed box 3 has a slot 14 near the second connecting shaft 9. The second connecting shaft 9 passes through the inside of the slot 14. The slot 14 facilitates the movement of the second connecting shaft 9 and makes it easy to adjust the position of the second gear 8.

[0020] In this embodiment, a movable component is provided on the outer side of the second connecting shaft 9. The movable component includes a mounting block 10 fixedly connected to the top of the second connecting shaft 9 and a fixing block 11 fixedly connected to the outer wall of the fixing box 3. An adjusting screw 12 is threadedly connected to the inner side of the fixing block 11. One end of the adjusting screw 12 is connected to the mounting block 10 through a bearing. A knob 13 is fixedly connected to the end of the adjusting screw 12 away from the mounting block 10, so that the adjusting screw 12 can be rotated and adjusted using the knob 13. By rotating the knob 13, the adjusting screw 12 is rotated and moved, which in turn moves the mounting block 10, and at the same time moves the second connecting shaft 9 along the inner side of the slot 14, thereby adjusting the position of the second gear 8.

[0021] The fixed block 11 has guide components on both sides. The guide components include a fixed cylinder 15 fixedly connected to the top of the fixed box 3. A guide rod 16 is inserted into the end of the fixed cylinder 15 near the mounting block 10. The end of the guide rod 16 away from the fixed cylinder 15 is fixedly connected to the mounting block 10. When the mounting block 10 moves, it can drive the guide rod 16 to move along the inner side of the fixed cylinder 15. The cooperation between the guide rod 16 and the fixed cylinder 15 guides the mounting block 10, which improves the stability of the structure.

[0022] It should be noted that a spring 17 is provided between the mounting block 10 and the fixing cylinder 15. The spring 17 is sleeved on the outer wall of the guide rod 16, and the mounting block 10 is supported by the spring 17, which improves the stability of the structure.

[0023] The working principle of the above embodiments is as follows: In use, rotating the knob 13 drives the adjusting screw 12 to rotate and move, which in turn moves the mounting block 10. At the same time, it moves the second connecting shaft 9 along the inner side of the slot 14, thereby adjusting the position of the second gear 8 so that the second gear 8 can move away from or engage with the first gear 7. When the second gear 8 moves away from the first gear 7, the angle of the ratchet wrench 5 can be slightly adjusted by rotating the connecting arm 4. When the second gear 8 engages with the first gear 7, the angle of the ratchet wrench 5 can be fixed. When tightening screws in a confined space, it is convenient to adjust the ratchet wrench 5 to the appropriate angle for easy use.

[0024] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented. It should be noted that the orientation or positional relationship indicated herein is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

Claims

1. A special device for eliminating overheating faults in live power grid equipment, characterized in that: Includes an extension rod (1), one end of which is fixedly connected to a fixing box (3), a ratchet wrench (5) is provided on the outside of the fixing box (3), and an adjustment component is provided between the fixing box (3) and the ratchet wrench (5); The adjustment assembly includes a first gear (7) and a second gear (8) disposed inside the fixed box (3). The first gear (7) and the second gear (8) mesh with each other. A first connecting shaft (6) is fixedly connected to the upper side of the first gear (7). The first connecting shaft (6) is connected to the ratchet wrench (5). A second connecting shaft (9) is fixedly connected to the upper side of the second gear (8). A moving assembly is disposed on the outer side of the second connecting shaft (9). The movable component includes a mounting block (10) fixedly connected to the top of the second connecting shaft (9) and a fixing block (11) fixedly connected to the outer wall of the fixing box (3). The inner side of the fixing block (11) is threaded with an adjusting screw (12), and one end of the adjusting screw (12) is connected to the mounting block (10) through a bearing.

2. The special device for eliminating overheating faults in energized power grid equipment according to claim 1, characterized in that: An insulated handle (2) is fixedly connected to one end of the extension rod (1) away from the fixed box (3), and the bottom of the first gear (7) is connected to the inner wall of the fixed box (3) through a bearing.

3. A special device for eliminating overheating faults in energized power grid equipment according to claim 1, characterized in that: A connecting arm (4) is fixedly connected to the upper side of the first connecting shaft (6), and the ratchet wrench (5) is installed on the outside of the connecting arm (4).

4. A special device for eliminating overheating faults in energized power grid equipment according to claim 1, characterized in that: The fixing box (3) has a slot (14) near the second connecting shaft (9), and the second connecting shaft (9) passes through the inside of the slot (14).

5. A special device for eliminating overheating faults in energized power grid equipment according to claim 1, characterized in that: A knob (13) is fixedly connected to the end of the adjusting screw (12) away from the mounting block (10).

6. A special device for eliminating overheating faults in energized power grid equipment according to claim 1, characterized in that: Guide components are provided on both sides of the fixed block (11). The guide components include a fixed cylinder (15) fixedly connected to the top of the fixed box (3). A guide rod (16) is inserted into one end of the fixed cylinder (15) near the mounting block (10). The end of the guide rod (16) away from the fixed cylinder (15) is fixedly connected to the mounting block (10).

7. A special device for eliminating overheating faults in energized power grid equipment according to claim 6, characterized in that: A spring (17) is provided between the mounting block (10) and the fixing cylinder (15), and the spring (17) is sleeved on the outer wall of the guide rod (16).

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