A portable bolt removal aid

Abstract

The utility model provides a portable bolt dismantling auxiliary device belongs to the dismantling bolt device technical field, including the organism and the electromagnetic heating coil of installation in the organism end, electromagnetic heating coil and organism inside mainboard electricity is connected, still include: protection mechanism, protection mechanism includes the two connecting rods of installation in the organism upper and lower both ends, the one end of connecting rod is integrally formed with the protection ring away from the organism, protection ring and connecting rod are located in the upper and lower both ends of electromagnetic heating coil. The utility model is in use, the electromagnetic heating coil is connected in the rusted nut outside, starts the organism drive electromagnetic heating coil work subsequently, with the help of electromagnetic induction principle, the coil can heat the local nut fast, the nut expands and shrinks with heat characteristic and expands with heat, and the cooperation gap between the nut and the bolt increases, the external force required for screwing the nut is significantly reduced, the dismantling difficulty is greatly reduced, and the overall time consumption of nut dismantling is shortened, and the maintenance operation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of bolt removal devices, and in particular to a portable bolt removal auxiliary device. Background Technology

[0002] Transmission lines, due to their long-term installation in outdoor environments, are susceptible to corrosion from natural factors (such as rain, humidity, and corrosive gases) after extended periods of operation. During routine maintenance, replacing corroded bolts or fittings often presents the challenge of severely corroded nuts that are difficult to remove, directly impacting maintenance efficiency and work progress. While rust remover is typically applied to remove rust before nut removal, this method is less effective when the rust is severe, as the remover may not penetrate the nut effectively or may require a significant amount of time, resulting in a lengthy overall process. Therefore, this application provides a portable bolt removal auxiliary device to address this need. Utility Model Content

[0003] This invention provides a portable bolt removal auxiliary device to solve the problem of the long time required to remove rusty nuts.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: A portable bolt removal auxiliary device includes a body and an electromagnetic heating coil mounted at the end of the body. The electromagnetic heating coil is electrically connected to a main board inside the body. The device also includes: The protective mechanism includes two connecting rods installed at the upper and lower ends of the machine body. A protective ring is integrally formed at the end of the connecting rod away from the machine body. The protective ring and the connecting rod are located at the upper and lower ends of the electromagnetic heating coil. The inner diameter of the protective ring is smaller than the inner diameter of the winding part of the electromagnetic heating coil, and the outer diameter of the protective ring is larger than the outer diameter of the winding part of the electromagnetic heating coil.

[0005] Preferably, the connecting rod is a ceramic rod, and the protective ring is a ceramic ring.

[0006] Preferably, the protective ring has several protrusions fixed on the side away from the electromagnetic heating coil, and the protrusions are ceramic dots.

[0007] Preferably, the inner edge of the protective ring has a guide surface.

[0008] Preferably, the upper and lower ends of the machine body are provided with fixing components. The fixing components include two U-shaped seats 1 fixed to the upper and lower ends of the machine body respectively. A threaded rod is fixed to the inner wall of the U-shaped seat 1. A nut is threadedly connected to the surface of the threaded rod. The nut is attached to the side of the U-shaped seat 2 away from the machine body. A slot is opened at the end of the connecting rod. When the connecting rod is installed, the slot is attached to the surface of the threaded rod, and the connecting rod is attached to the surface of the U-shaped seat 1. The nut drives the U-shaped seat 2 to be attached to the surface of the connecting rod. When disassembling, the nut drives the U-shaped seat 2 to separate from the connecting rod.

[0009] Preferably, both the first U-shaped seat and the second U-shaped seat have a guide surface 2 at their corners, and the second U-shaped seat has a through hole on its side.

[0010] Preferably, the U-shaped seat has a positioning block integrally formed on the side near the machine body, and the surface of the connecting rod has a positioning groove. When the connecting rod is fixed, the positioning block is inserted into the positioning groove.

[0011] Preferably, a guide rod is fixed to the inner wall of the first U-shaped seat, and the second U-shaped seat is movably sleeved on the surface of the guide rod. When the connecting rod is fixed, the slot fits against the surface of the guide rod.

[0012] Compared with the prior art, this utility model has at least the following beneficial effects: In the above solution, during use, the electromagnetic heating coil is sleeved on the outside of the rusted nut. Then, the machine is started to drive the electromagnetic heating coil to work. Utilizing the principle of electromagnetic induction, the coil can quickly heat the nut locally. The nut expands due to thermal expansion and contraction, increasing the clearance between it and the bolt, significantly reducing the external force required to tighten the nut, greatly reducing the difficulty of disassembly, and thus shortening the overall time spent on nut disassembly, improving maintenance efficiency. Secondly, during use, the protective ring can effectively isolate the nut / bolt from direct contact with the electromagnetic heating coil, preventing damage to the insulating varnish on the coil surface due to friction and scratches, preventing the risk of electric shock to operators caused by insulation failure, and ensuring operational safety. If the electromagnetic heating coil accidentally falls to the ground, the double-layered protective ring can directly contact the ground and buffer the impact, preventing damage to the insulating varnish on the coil surface and preventing the coil body from bending and deforming due to impact, thus extending the service life of the device.

[0013] By setting protrusions, the contact area between the protective ring and the contact surface is reduced, thereby preventing heat from being transferred to the protective ring during the heating process of the nut. The protective ring then transfers the heat to the outer shell of the machine body, preventing damage to the outer shell and thus protecting the outer shell of the machine body.

[0014] By setting a guide surface, when the electromagnetic heating coil is inserted into the nut surface, the guide surface guides the electromagnetic heating coil to quickly fit onto the nut surface, further improving the efficiency of maintenance operations.

[0015] By setting up fixing components, U-shaped seats one and two can reduce the contact area with the connecting rod, further preventing heat transfer to the surface of the machine casing and achieving protection of the machine casing. Secondly, the connecting rod is fixed by the clamping force of U-shaped seats one and two. When the protective ring is damaged, the protective ring and the connecting rod can be quickly replaced, making the operation convenient. Through the setting of guide surface two, when the connecting rod is inserted between U-shaped seats one and two, guide surface two can guide the connecting rod, so that the connecting rod can be quickly inserted between U-shaped seats one and two, making the operation convenient.

[0016] By setting positioning blocks and positioning slots, when the connecting rod is fixed, the positioning blocks are inserted into the positioning slots, which improves the connection strength between U-shaped seats one and two and the connecting rod, and prevents the connecting rod from detaching from U-shaped seats one and two during use, thereby improving stability during use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the protective mechanism structure of this utility model; Figure 3 This is a bottom view of the protective mechanism of this utility model; Figure 4 This is a schematic diagram of the connecting rod of this utility model in the uninstalled state.

[0018] In the diagram: 1. Body; 2. Electromagnetic heating coil; 3. Protective mechanism; 4. Protective ring; 5. Connecting rod; 6. Protrusion; 7. Guide surface one; 8. Fixing component; 9. U-shaped seat one; 10. U-shaped seat two; 11. Through hole; 12. Guide rod; 13. Threaded rod; 14. Nut; 15. Slot; 16. Guide surface two; 17. Positioning block; 18. Positioning groove. Detailed Implementation

[0019] The portable bolt removal auxiliary device provided by this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0020] like Figures 1-4 As shown, an embodiment of this utility model provides a portable bolt removal auxiliary device, including a body 1 and an electromagnetic heating coil 2 installed at the end of the body 1. The electromagnetic heating coil 2 is electrically connected to the main board inside the body 1. The device also includes: The protective mechanism 3 includes two connecting rods 5 installed at the upper and lower ends of the body 1. A protective ring 4 is integrally formed at the end of each connecting rod 5 furthest from the body 1. The protective ring 4 and the connecting rods 5 are located at the upper and lower ends of the electromagnetic heating coil 2. The inner diameter of the protective ring 4 is smaller than the inner diameter of the winding portion of the electromagnetic heating coil 2, and the outer diameter of the protective ring 4 is larger than the outer diameter of the winding portion of the electromagnetic heating coil 2. The body 1 provides power and control for the device. The internal main board drives the electromagnetic heating coil 2 to rapidly heat the rusted nut through electromagnetic induction. Thermal expansion and contraction increase the gap between the nut and bolt, significantly reducing removal resistance. This design shortens maintenance time. The inner diameter of the protective ring 4 is smaller than that of the electromagnetic heating coil 2, preventing the electromagnetic heating coil 2 from directly contacting the nut or bolt and preventing the insulating varnish of the electromagnetic heating coil 2 from being scratched by friction. The outer diameter is larger than that of the electromagnetic heating coil 2, which can completely shield the edge of the electromagnetic heating coil 2. If the electromagnetic heating coil 2 is accidentally dropped, the protective ring 4 will first contact the ground to form a buffer, preventing the electromagnetic heating coil 2 body from bending and deforming or the insulating varnish from being damaged. The two connecting rods 5 are symmetrically distributed, which can effectively protect the electromagnetic heating coil 2 regardless of whether the top or bottom of the electromagnetic heating coil 2 contacts the ground, thus extending the service life of the electromagnetic heating coil 2.

[0021] like Figures 1-3 As shown in this embodiment, the connecting rod 5 is a ceramic rod, and the protective ring 4 is a ceramic ring. The ceramic material has excellent high temperature resistance and low thermal conductivity, which can block the heat generated by the electromagnetic heating coil 2 from being transferred to the machine body 1, preventing the operator from being burned when holding the machine body 1, and preventing the internal electronic components of the machine body 1 from being damaged by high temperature. The ceramic material also has high hardness and wear resistance, so even if the protective ring 4 is in contact with the ground or metal parts for a long time, it is not easy to wear, ensuring the long-term stability of the protective structure. In addition, the ceramic has strong insulation, which can further reduce the risk of electric shock caused by the insulation failure of the electromagnetic heating coil 2 and improve operational safety.

[0022] like Figure 3 As shown in this embodiment, a number of protrusions 6 are fixed on the side of the protective ring 4 away from the electromagnetic heating coil 2. The protrusions 6 are ceramic points, which can further reduce the contact area between the protective ring 4 and the contact surface, reduce the heat transfer efficiency, prevent the protective ring 4 from transferring heat to the body 1, and further protect the safety of the outer shell of the body 1.

[0023] like Figures 1-3 As shown in this embodiment, the inner edge of the protective ring 4 is provided with a guide surface 7, which is an inclined surface that can guide the electromagnetic heating coil 2 to be quickly and accurately fitted onto the outside of the nut without repeated adjustments to its position, thus greatly improving operational efficiency.

[0024] like Figures 1-4As shown in this embodiment, fixing components 8 are provided at both the upper and lower ends of the machine body 1. Each fixing component 8 includes two U-shaped seats 9 fixed to the upper and lower ends of the machine body 1 respectively. A threaded rod 13 is fixed to the inner wall of each U-shaped seat 9. A nut 14 is threaded onto the surface of the threaded rod 13. The nut 14 fits against the side of the U-shaped seat 10 away from the machine body 1. A slot 15 is provided at the end of the connecting rod 5. When the connecting rod 5 is installed, the slot 15 fits against the surface of the threaded rod 13, and the connecting rod 5 fits against the surface of the U-shaped seat 9. The nut 14 causes the U-shaped seat 10 to fit against the surface of the connecting rod 5. When disassembling, the nut 14 causes the U-shaped seat 10 to separate from the connecting rod 5. The fixed component 8 enables quick assembly and disassembly of the protective mechanism 3. The U-shaped seat 19 and U-shaped seat 20 cooperate to form a "clamping structure". The clamping force is applied through the thread transmission of the nut 14 to ensure that the connecting rod 5 is firmly fixed and to prevent the protective ring 4 from loosening or shifting during use. The fit design of the slot 15 and the threaded rod 13 can limit the lateral displacement of the connecting rod 5 and ensure the protective effect. When the protective ring 4 or the connecting rod 5 is damaged, the U-shaped seat 20 can be separated simply by loosening the nut 14, and the parts can be quickly replaced without replacing the whole device, thus reducing maintenance costs. In addition, the small contact area between the U-shaped seat 19 and U-shaped seat 20 and the connecting rod 5 can reduce heat transfer and protect the body 1.

[0025] like Figure 4 As shown in this embodiment, guide surfaces 16 are provided at the corners of both U-shaped base 9 and U-shaped base 10. Through holes 11 are provided on the side of U-shaped base 10. The guide surfaces 16 are arc-shaped transition surfaces, which can guide the connecting rod 5 to be quickly inserted between U-shaped base 9 and U-shaped base 10, avoiding the end of the connecting rod 5 being scratched by the corner, while reducing the number of adjustments during installation and improving the efficiency of disassembly and assembly. The through holes 11 are used to improve the heat dissipation capacity of U-shaped base 10, and further prevent heat from being transferred to the outer shell of the body 1.

[0026] like Figure 4 As shown in this embodiment, the U-shaped seat 10 has a positioning block 17 integrally formed on the side near the machine body 1, and the surface of the connecting rod 5 is provided with a positioning groove 18. When the connecting rod 5 is fixed, the positioning block 17 is inserted into the positioning groove 18. The insertion and engagement of the positioning block 17 and the positioning groove 18 can limit the axial displacement of the connecting rod 5 and improve the connection strength when the connecting rod 5 is fixed. The positioning block 17 and the positioning groove 18 can also prevent the connecting rod 5 from rotating around the threaded rod 13, avoid the protective ring 4 from shifting and causing the electromagnetic heating coil 2 to be exposed, and further improve safety.

[0027] like Figure 4As shown in this embodiment, a guide rod 12 is fixed to the inner wall of the U-shaped seat 9, and the U-shaped seat 10 is movably sleeved on the surface of the guide rod 12. When the connecting rod 5 is fixed, the slot 15 fits against the surface of the guide rod 12. The cooperation between the guide rod 12 and the U-shaped seat 10 can limit the movement direction of the U-shaped seat 10, ensuring that it only moves along the axial direction of the threaded rod 13, avoiding uneven force on the connecting rod 5 due to the tilting of the U-shaped seat 10, ensuring that the clamping force is applied evenly, and improving the fixing stability. The fit between the slot 15 and the guide rod 12 can further limit the lateral displacement of the connecting rod 5, and form a "double guide" with the threaded rod 13 to ensure the stability of the connecting rod 5 after installation.

[0028] Working principle: When in use, align the connecting rod 5 with the fixing components 8 at the upper and lower ends of the body 1, so that the slot 15 fits against the threaded rod 13 and guide rod 12 surface inside the U-shaped seat 9. During this process, the guide surface 16 of the U-shaped seat 9 and the U-shaped seat 10 guides the connecting rod 5 to be inserted. Rotate the nut 14 to drive the U-shaped seat 10 to move along the guide rod 12 and fit against the connecting rod 5. At this time, the positioning block 17 is inserted into the positioning groove 18 to complete the fixing of the protective mechanism 3. Align the electromagnetic heating coil 2 with the rusted nut, and guide it through the guide surface 7 of the inner ring of the protective ring 4 so that the electromagnetic heating coil 2 is precisely fitted onto the outside of the nut. When the machine body 1 is started, the internal main board drives the electromagnetic heating coil 2 to work, using electromagnetic induction to heat the nut and make it expand. During the process, the ceramic connecting rod 5 and the protective ring 4 block the heat transfer, and the protrusion 6 reduces the contact area between the protective ring 4 and the contact surface, further reducing the risk of the outer shell of the machine body 1 overheating. The small contact area design of the U-shaped base 1 9 and U-shaped base 2 10 assists in heat insulation. Once the nut has been heated to a suitable temperature, turn off the machine body 1, remove the electromagnetic heating coil 2, and use a tool to tighten the expanded nut. Due to the increased clearance, the removal can be easily completed. If the electromagnetic heating coil 2 falls accidentally during operation, the upper and lower protective rings 4 will directly contact the ground to buffer the impact and protect the insulating varnish and body of the electromagnetic heating coil 2. If the protective ring 4 or the connecting rod 5 is damaged, rotate the nut 14 in the opposite direction to separate the U-shaped seat 10 from the connecting rod 5, and pull out the connecting rod 5 for replacement.

[0029] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A portable bolt removal auxiliary device comprising a machine body (1) and an electromagnetic heating coil (2) installed at the end of the machine body (1), the electromagnetic heating coil (2) being electrically connected with a main plate inside the machine body (1), characterized in that, Also includes: The protective mechanism (3) includes two connecting rods (5) installed at the upper and lower ends of the body (1). The end of the connecting rod (5) away from the body (1) is integrally formed with a protective ring (4). The protective ring (4) and the connecting rod (5) are located at the upper and lower ends of the electromagnetic heating coil (2). The inner diameter of the protective ring (4) is smaller than the inner diameter of the winding part of the electromagnetic heating coil (2), and the outer diameter of the protective ring (4) is larger than the outer diameter of the winding part of the electromagnetic heating coil (2).

2. The portable bolt removal auxiliary device according to claim 1, characterized in that, The connecting rod (5) is a ceramic rod, and the protective ring (4) is a ceramic ring.

3. The portable bolt removal assist device of claim 1, wherein, The protective ring (4) has several protrusions (6) fixed on the side away from the electromagnetic heating coil (2), and the protrusions (6) are ceramic points.

4. The portable bolt removal assist device of claim 1, wherein, The inner edge of the protective ring (4) is provided with a guide surface (7).

5. The portable bolt removal assist device of claim 1, wherein, The upper and lower ends of the body (1) are provided with fixing components (8). The fixing components (8) include two U-shaped seats (9) fixed to the upper and lower ends of the body (1) respectively. A threaded rod (13) is fixed on the inner wall of the U-shaped seat (9). A nut (14) is threadedly connected to the surface of the threaded rod (13). The nut (14) is attached to the side of the U-shaped seat (10) away from the body (1). A slot (15) is opened at the end of the connecting rod (5). When the connecting rod (5) is installed, the slot (15) is attached to the surface of the threaded rod (13). The connecting rod (5) is attached to the surface of the U-shaped seat (9). The nut (14) drives the U-shaped seat (10) to be attached to the surface of the connecting rod (5). When disassembling, the nut (14) drives the U-shaped seat (10) to separate from the connecting rod (5).

6. The portable bolt removal assist device of claim 5, wherein, The corners of the U-shaped seat 1 (9) and the U-shaped seat 2 (10) are provided with guide surfaces 2 (16), and the side of the U-shaped seat 2 (10) is provided with through holes (11).

7. The portable bolt removal assist device of claim 5, wherein, The U-shaped seat 2 (10) has a positioning block (17) integrally formed on the side near the body (1). The surface of the connecting rod (5) is provided with a positioning groove (18). When the connecting rod (5) is fixed, the positioning block (17) is inserted into the positioning groove (18).

8. The portable bolt removal assist device of claim 5, wherein, The inner wall of the U-shaped seat one (9) is fixed with a guide rod (12), and the U-shaped seat two (10) is movably sleeved on the surface of the guide rod (12). When the connecting rod (5) is fixed, the slot (15) fits against the surface of the guide rod (12).

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