A special discharge tool for electrical equipment insulation shake test
By designing a special discharge tool for electrical equipment insulation resistance testing, the problem of unsafe discharge operation in existing technologies has been solved, realizing a safe and convenient discharge process, reducing the risk of electric shock to operators, and ensuring the stability of electrical systems.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG HONGCAN MATERIAL TECHNOLOGY CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-06-23
AI Technical Summary
The lack of safe and convenient discharge tools in the current technology leads to safety hazards in the discharge operation of residual charge after insulation testing of electrical equipment, which cannot effectively ensure the safety of operators and the stable operation of electrical systems.
A special discharge tool for testing the insulation of electrical equipment has been designed, comprising a base support, a rotating disk, a clamp, a handle, a push-connect buckle, and an insulated telescopic rod. The rotating disk holds the insulated wire, the clamp is connected to the grounded metal, the push-connect buckle is fixed, and the insulated telescopic rod discharges over a long distance, reducing the risk of operators coming into contact with the charge.
It improves the safety and convenience of discharge operations, reduces the risk of electric shock to operators, and ensures the stable operation of electrical systems.
Smart Images
Figure CN224399528U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrical engineering technology, specifically to a special discharge tool for testing the insulation of electrical equipment. Background Technology
[0002] In the operation and maintenance of electrical systems, the safety of electrical equipment and lines is of paramount importance. Before each new electrical equipment is put into operation or before power is supplied after maintenance, the insulation resistance of the equipment and lines must be tested in strict accordance with the operating procedures. This operation is to ensure that there are no faults such as short circuits or grounding in the equipment and lines. Power supply can only be carried out after confirming that the insulation performance is good, so as to ensure the safe and stable operation of the entire electrical system.
[0003] However, after the insulation test, a certain amount of charge will remain in the equipment and lines, which needs to be discharged. However, there are many difficulties in the discharge process. There are no specially designed convenient and safe discharge tools on the market. As a last resort, operators often have to use temporary insulated wires to discharge the charge. However, this temporary discharge method has great drawbacks. It does not comply with the standard operating procedures and cannot effectively ensure the safety of the operator from the residual charge. If not careful, it can easily cause electric shock, which will seriously threaten the personal safety of the operator. At the same time, it will also bring potential risks to the stable operation of the entire electrical system, making it extremely inconvenient for the operator in actual work.
[0004] Therefore, it is urgent to develop a safe, reliable, and convenient discharge tool, which is of great practical significance for improving the safety and stability of electrical systems. Utility Model Content
[0005] The purpose of this utility model is to provide a special discharge tool for electrical equipment insulation resistance testing, so as to solve the problems mentioned in the background art, which are inconvenient and dangerous for operators.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a special discharge tool for electrical equipment insulation resistance testing, comprising a base bracket, a rotating disk rotatably mounted on the outer surface of the base bracket, a side bracket fixedly mounted on one end of the outer surface of the base bracket, and a handle fixedly mounted on the outer surface of the side bracket, a through hole opened on the outer surface of the rotating disk, and an insulating wire inserted into the through hole of the rotating disk, the insulating wire being wound and mounted on the outer surface of the rotating disk, a clamp fixedly mounted on the outer surface of one end of the insulating wire, a set screw threaded on the outer surface of the clamp, and the set screw on the outer surface of the clamp being in contact with the outer surface of the insulating wire, a clamping groove opened on the outer surface of one end of the clamp, the clamping groove being in contact with an external grounding metal, and the clamp being in contact with the outer surface of the side bracket.
[0007] Preferably, the outer surface of the end of the handle near the side bracket is flat, a push-fit buckle is slidably installed on the outer surface of the handle, and a spring clip is slidably engaged inside the push-fit buckle. A slot is provided on the outer surface of the handle, and the slot engages with the spring clip.
[0008] By adopting the above technical solution, the planar design of the outer surface of the handle prevents the push-fit buckle from rotating with the rotating disk. At the same time, the design of the spring clip allows the push-fit buckle to be fixed by the engagement of the spring clip with the slot after it moves on the handle, so that the push-fit buckle will not shake randomly after it moves.
[0009] Preferably, the outer surface of the rotating disk near the side support is provided with slots evenly distributed, and the slots engage with the push-fit buckles.
[0010] By adopting the above technical solution, the rotating disk can be fixed after it rotates and releases the insulating wire by the snap-fit buckle and the slot, and it will not be obstructed when the rotating disk rotates and retracts the insulating wire.
[0011] Preferably, the rotating shaft of the rotating disk passes through the outer surface of the base bracket, and a rotating handle is fixedly installed on the outer surface of the rotating disk away from the side bracket. A rocker arm is rotatably installed on the outer surface of the rotating handle, and a magnet is fixedly installed on the outer surface of one end of the rocker arm, and the magnet is in contact with the outer surface of the rotating disk.
[0012] By adopting the above technical solution, the crank can be pulled out to separate from the rotating handle, and the crank can be attracted to the rotating disk when not in use by a magnet, so that the crank can be stored inside the rotating handle. This makes it convenient to crank the rotating disk, and when the rotating disk is not in use, the rotating handle and the crank can be folded together to prevent them from falling out and scraping against people and causing injury.
[0013] Preferably, an insulating wire is snapped onto the outer surface of the side bracket, and a contact head is fixedly provided on the outer surface of one end of the insulating wire, and the outer surface of the contact head is in contact with the outer surface of the side bracket.
[0014] By adopting the above technical solution, the insulated wire can be easily clipped into the outer surface of the side bracket, preventing it from shaking and tangling after storage. It also allows for easy and quick retrieval of the insulated wire. Furthermore, the design of the contact head allows for easy contact with the wiring and devices, preventing the internal wiring of the insulated wire from unraveling, thus extending the service life of the insulated wire and facilitating its removal.
[0015] Preferably, an insulating telescopic rod is engaged with the outer surface of the base bracket on the side away from the side bracket, and the insulating telescopic rod is located on one side of the outer surface of the rotating disk.
[0016] By adopting the above technical solution, the insulated telescopic rod can be conveniently placed and fixed on the outer surface of the base bracket, making it convenient to carry and store the insulated telescopic rod through the base bracket.
[0017] Preferably, a pressure plate is rotatably mounted on the outer surface of one end of the insulating telescopic rod, and a hand-tightening screw is installed through the outer surface of the pressure plate. The hand-tightening screw is threadedly connected to the outer surface of the insulating telescopic rod. A diamond-shaped groove is provided between the insulating telescopic rod and the pressure plate, and the outer surfaces of the pressure plate and the insulating telescopic rod respectively fit against the outer surface of the contact head.
[0018] By adopting the above technical solution, the rotating design of the pressure plate and the diamond-shaped groove allow the contact head to be engaged between the insulating telescopic rod and the pressure plate. Then, the hand-tightening screw can be passed through the pressure plate and screwed into the insulating telescopic rod, so that the contact head can be clamped by the insulating telescopic rod and the pressure plate. This allows the insulating telescopic rod to clamp the insulating wire, enabling the insulating wire to make contact with the line or device from a distance, and to discharge the charge of the equipment and line from a distance. This allows operators to stay away from the equipment and line, reducing the risk of electric shock to the operators.
[0019] Compared with the prior art, the beneficial effects of this utility model are: a special discharge tool for testing the insulation of electrical equipment.
[0020] 1. The through holes on the outer surface of the rotating disk allow the insulated wire to pass through, and the rotating disk can store the insulated wire while rotating. At the same time, the screws on the outer surface of the clamp can be connected to the insulated wire, allowing the clamp to be placed on the outer surface of the grounded metal, or the clamp can be placed on the outer surface of the grounding nut of the distribution box through the clamping slot. This makes it convenient to use and connect, as well as convenient to store and carry.
[0021] 2. By engaging the push-fit buckle with the handle, the rotating disc will not rotate arbitrarily after the slot and the push-fit buckle are inserted into each other. The spring clip inside the push-fit buckle will engage with the slot after the push-fit buckle moves, preventing the push-fit buckle from moving arbitrarily. This makes it convenient for the rotating disc to release the insulation wire without moving it arbitrarily, and also prevents the insulation wire from being accidentally released when the rotating disc retracts. This improves the convenience of using and storing the insulation wire and prevents the insulation wire from being released arbitrarily.
[0022] 3. The insulating telescopic rod can be easily carried by connecting the base bracket to the insulating telescopic rod. The diamond-shaped groove on the outer surface of the insulating telescopic rod and the pressure plate allows the contact head to be snapped between the insulating telescopic rod and the pressure plate. By tightening the hand screw, the insulation wire can be fixed to one end of the insulating telescopic rod. This allows the operator to contact the electrical equipment and wires through the insulating telescopic rod to release the remaining charge after the test, greatly improving the safety when releasing the charge. At the same time, it makes it easy to store and carry the insulating telescopic rod. Attached Figure Description
[0023] Figure 1 This is a three-dimensional structural diagram of the base support and rotating disk of this utility model;
[0024] Figure 2 This is a three-dimensional structural diagram of the rotary handle and rocker handle of this utility model;
[0025] Figure 3 This is a cross-sectional perspective view of the slot and push-fit buckle of this utility model.
[0026] Figure 4 This is a three-dimensional diagram of the exploded structure of the buckle and spring clip of this utility model;
[0027] Figure 5 This is an exploded three-dimensional structural diagram of the chuck and clamping slot of this utility model;
[0028] Figure 6 This is a three-dimensional exploded view of the pressure plate and hand-tightening screw of this utility model.
[0029] In the diagram: 1. Base bracket; 2. Rotating disk; 3. Insulated wire; 4. Side bracket; 5. Clamp; 6. Clamping slot; 7. Handle; 8. Slot; 9. Push-fit buckle; 10. Spring clip; 11. Slot; 12. Rotating handle; 13. Crank handle; 14. Magnet; 15. Insulated telescopic rod; 16. Pressure plate; 17. Hand screw; 18. Contact head. Detailed Implementation
[0030] 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.
[0031] Please see Figure 1-6This utility model provides a technical solution: a special discharge tool for electrical equipment insulation resistance testing, including a base support 1, a rotating disk 2 rotatably mounted on the outer surface of the base support 1, a side support 4 fixedly mounted on one end of the outer surface of the base support 1, and a handle 7 fixedly mounted on the outer surface of the side support 4, a through hole opened on the outer surface of the rotating disk 2, and an insulating wire 3 inserted into the through hole of the rotating disk 2, the insulating wire 3 being wound and mounted on the outer surface of the rotating disk 2, a clamp 5 fixedly mounted on the outer surface of one end of the insulating wire 3, and a set screw threaded on the outer surface of the clamp 5, the set screw on the outer surface of the clamp 5 being in contact with the outer surface of the insulating wire 3, a clamping groove 6 opened on the outer surface of one end of the clamp 5, the clamping groove 6 being in contact with the external grounding metal, and the clamp 5 being in contact with the outer surface of the side support 4.
[0032] The base bracket 1 can be easily lifted and carried using the handle 7. The rotating disk 2 allows for flexible storage of the insulated wire 3, making it easy to pick up and store. The clamp 5 allows the insulated wire 3 to be connected to the grounded metal after being released from the rotating disk 2. The clamp 5 can be fixed to the grounding line of the distribution box through the clamping slot 6 at one end. The clamp 5 can also be clamped and fixed to the outer surface of the side bracket 4, making it convenient to connect, store, and carry.
[0033] The outer surface of the handle 7 near the side bracket 4 is flat. A push-fit buckle 9 is slidably installed on the outer surface of the handle 7, and a spring clip 10 is slidably engaged inside the push-fit buckle 9. A slot 8 is opened on the outer surface of the handle 7, and the slot 8 engages with the spring clip 10.
[0034] The planar design of the handle 7 makes the push-fit buckle 9 more stable when moving on the outer surface of the handle 7, so that the push-fit buckle 9 will not shift its position due to the rotation of the rotating disk 2. At the same time, when the push-fit buckle 9 moves, the spring card 10 will move along with it, so that after the push-fit buckle 9 stops, the spring card 10 will engage with the card slot 8, so that the push-fit buckle 9 will not move randomly on the outer surface of the handle 7 after it stops.
[0035] The outer surface of the rotating disk 2 near the side bracket 4 has slots 11 evenly distributed, and the slots 11 engage with the push-fit buckle 9.
[0036] By engaging the slot 11 with the push-fit buckle 9, the rotating disk 2 will not rotate arbitrarily after releasing the insulating wire 3. At the same time, when the insulating wire 3 is retracted into the rotating disk 2, the push-fit buckle 9 can be separated from the slot 11, so that the insulating wire 3 will not be affected when it is retracted into the rotating disk 2.
[0037] The rotating shaft of the rotating disk 2 passes through the outer surface of the base bracket 1, and a rotating handle 12 is fixedly installed on the outer surface of the rotating disk 2 away from the side bracket 4. A rocker handle 13 is rotatably installed on the outer surface of the rotating handle 12, and a magnet 14 is fixedly installed on the outer surface of one end of the rocker handle 13, and the magnet 14 is in contact with the outer surface of the rotating disk 2.
[0038] The combination of the rotating handle 12 and the rocker handle 13 makes it easier and less strenuous to rotate the disc 2. At the same time, the magnet 14 can fix the rocker handle 13 when it is flipped and stored inside the rotating handle 12, which makes it convenient to use and reduces the risk of the rocker handle 13 falling out and causing injury to the person handling it.
[0039] An insulating wire 3 is fitted onto the outer surface of the side bracket 4, and a contact head 18 is fixedly provided on the outer surface of one end of the insulating wire 3, and the outer surface of the contact head 18 is in contact with the outer surface of the side bracket 4.
[0040] The insulating wire 3 is snapped and fixed to the outer surface of the side bracket 4, so that after the insulating wire 3 is stored inside the rotating disk 2, the two ends of the insulating wire 3 will not rotate or shake at will, which improves the convenience of taking out the insulating wire 3. At the same time, the design of the contact head 18 can also ensure that the internal wires of the insulating wire 3 will not come apart during long-term use, which can improve the service life of the insulating wire 3 and reduce the chance of the insulating wire 3 becoming tangled due to loosening.
[0041] An insulating telescopic rod 15 is fitted onto the outer surface of the base bracket 1 on the side away from the side bracket 4, and the insulating telescopic rod 15 is located on the outer surface of the rotating disk 2 on one side.
[0042] The insulated telescopic rod 15 and the base bracket 1 are installed by snapping together, which makes it easy to connect the base bracket 1 and the insulated telescopic rod 15 to each other, and makes it easy to carry and store the insulated telescopic rod 15 when moving the base bracket 1.
[0043] A pressure plate 16 is rotatably mounted on the outer surface of one end of the insulating telescopic rod 15, and a hand screw 17 is installed through the outer surface of the pressure plate 16. The hand screw 17 is threaded to the outer surface of the insulating telescopic rod 15. A diamond-shaped groove is provided between the insulating telescopic rod 15 and the pressure plate 16, and the outer surfaces of the pressure plate 16 and the insulating telescopic rod 15 respectively fit against the outer surface of the contact head 18.
[0044] The contact head 18 can be placed between the pressure plate 16 and the insulating telescopic rod 15 through the diamond-shaped groove on the outer surface of the pressure plate 16 and the insulating telescopic rod 15. Then, the hand screw 17 can be passed through the pressure plate 16 and screwed into the insulating telescopic rod 15, so that one end of the insulating wire 3 can be fixed to one end of the insulating telescopic rod 15. This facilitates the connection between the insulating telescopic rod 15 and the contact head 18, and allows the operator to make contact with the electrical equipment and lines from a distance through the insulating telescopic rod 15 to release the remaining charge after testing, which can greatly reduce the risk of electric shock to the operator.
[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations 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 discharge tool for electrical equipment insulation resistance testing, comprising a base bracket (1), a rotating disk (2) rotatably mounted on the outer surface of the base bracket (1), a side bracket (4) fixedly mounted on the outer surface of one end of the base bracket (1), and a handle (7) fixedly mounted on the outer surface of the side bracket (4), characterized in that: The outer surface of the rotating disk (2) is provided with a through hole, and an insulating wire (3) is inserted into the through hole of the rotating disk (2). The insulating wire (3) is wound and installed on the outer surface of the rotating disk (2). A clamp (5) is fixedly installed on the outer surface of one end of the insulating wire (3), and a set screw is threaded on the outer surface of the clamp (5). The set screw on the outer surface of the clamp (5) is in contact with the outer surface of the insulating wire (3). A clamping slot (6) is provided on the outer surface of one end of the clamp (5), and the clamping slot (6) is in contact with the external grounding metal. The clamp (5) is in contact with the outer surface of the side bracket (4).
2. The special discharge tool for electrical equipment insulation resistance testing according to claim 1, characterized in that: The outer surface of the handle (7) near the side bracket (4) is flat. A push-fit buckle (9) is slidably installed on the outer surface of the handle (7), and a spring card (10) is slidably engaged inside the push-fit buckle (9). A slot (8) is opened on the outer surface of the handle (7), and the slot (8) engages with the spring card (10).
3. The special discharge tool for electrical equipment insulation resistance testing according to claim 2, characterized in that: The rotating disk (2) has slots (11) evenly distributed on the outer surface of the side of the side bracket (4), and the slots (11) engage with the push-fit buckle (9).
4. The special discharge tool for electrical equipment insulation resistance testing according to claim 1, characterized in that: The rotating shaft of the rotating disk (2) passes through the outer surface of the base bracket (1), and a rotating handle (12) is fixedly installed on the outer surface of the rotating disk (2) away from the side bracket (4). A rocker arm (13) is rotatably installed on the outer surface of the rotating handle (12), and a magnet (14) is fixedly installed on the outer surface of one end of the rocker arm (13), and the magnet (14) is in contact with the outer surface of the rotating disk (2).
5. A special discharge tool for electrical equipment insulation resistance testing according to claim 1, characterized in that: An insulating wire (3) is fitted onto the outer surface of the side bracket (4), and a contact head (18) is fixedly provided on the outer surface of one end of the insulating wire (3), and the outer surface of the contact head (18) is in contact with the outer surface of the side bracket (4).
6. A special discharge tool for electrical equipment insulation resistance testing according to claim 1, characterized in that: An insulating telescopic rod (15) is fitted onto the outer surface of the base bracket (1) away from the side bracket (4), and the insulating telescopic rod (15) is located on the outer surface of the rotating disk (2).
7. A special discharge tool for electrical equipment insulation resistance testing according to claim 6, characterized in that: A pressure plate (16) is rotatably mounted on the outer surface of one end of the insulating telescopic rod (15), and a hand screw (17) is installed through the outer surface of the pressure plate (16). The hand screw (17) is threadedly connected to the outer surface of the insulating telescopic rod (15). A diamond-shaped groove is provided between the insulating telescopic rod (15) and the pressure plate (16), and the outer surfaces of the pressure plate (16) and the insulating telescopic rod (15) are respectively in contact with the outer surface of the contact head (18).