Lightning protection grounding device for electromechanical equipment

Abstract

The utility model discloses a lightning protection grounding device for electromechanical equipment, which belongs to the technical field of electromechanical equipment protection and comprises a connecting mechanism, a switching mechanism connected with the connecting mechanism, a grounding guide mechanism connected with the switching mechanism and an anti-pulling mechanism arranged on the grounding guide mechanism. The switching mechanism comprises a conductive band, a switching blade connected with the conductive band, a first contact piece and a second contact piece, wherein the first contact piece and the second contact piece are matched with the switching blade. The grounding mechanism comprises a second conducting bar and a grounding electrode connected with the second conducting bar; the anti-pulling mechanism comprises a connecting sleeve, an anti-pulling claw connected with the connecting sleeve, a connecting arm connected with the anti-pulling claw and a sliding sleeve connected with the connecting arm. According to the utility model, the technical problems that the traditional grounding rod is weak in anti-pulling capability and has potential safety hazards are solved, more stable mechanical anchoring can be provided, the fluctuation risk of the grounding resistance is effectively reduced, and the hot-line operation risk is avoided.

Description

Technical Field

[0001] This utility model relates to the field of electromechanical equipment protection technology, specifically to a lightning protection grounding system for electromechanical equipment. Background Technology

[0002] With the widespread application of electromechanical equipment, higher requirements have been placed on the portability, installation efficiency, and operational safety of lightning protection grounding devices.

[0003] Traditional lightning protection grounding devices mainly include vertical grounding electrodes (such as galvanized angle steel or steel pipes) and grounding modules. Vertical grounding electrodes require hammering or mechanical drilling for installation, which is difficult and labor-intensive in hardened concrete or high-strength rock foundations. Furthermore, their pull-out resistance is limited after installation, making them susceptible to loosening due to external dragging. Grounding modules require extensive excavation, resulting in long construction periods and unsuitability for rapid deployment. In addition, existing portable grounding devices often use simple manually screwed-in grounding rods. While portable, they struggle to guarantee sufficient grounding depth and contact area in areas with high soil resistivity, often resulting in substandard grounding resistance. They also lack reliable mechanical on / off control mechanisms, posing operational risks and compromising safety when frequent grounding status checks or grounding loop switching are required. Utility Model Content

[0004] To address the above problems, this utility model provides a lightning protection grounding device for electromechanical equipment, comprising:

[0005] A connecting mechanism, a switching mechanism connected to the connecting mechanism, a grounding mechanism connected to the switching mechanism, and an anti-pull-out mechanism provided on the grounding mechanism;

[0006] The switching mechanism includes: a conductive strip, a switching blade connected to the conductive strip, and a first contact piece and a second contact piece adapted to the switching blade;

[0007] The grounding mechanism includes: a second conductive busbar, and a grounding electrode connected to the second conductive busbar;

[0008] The second conductive busbar is connected to the first contact piece, and the tapered end of the grounding electrode is connected to the earth;

[0009] The pull-out mechanism includes: a connecting sleeve, a pull-out claw connected to the connecting sleeve, a connecting arm connected to the pull-out claw, and a sliding sleeve connected to the connecting arm.

[0010] The connecting sleeve is connected to the grounding electrode, and one end of the anti-pull claw is hinged to the connecting sleeve;

[0011] The two ends of the connecting arm are respectively hinged to the anti-pull claw and the sliding sleeve, and the sliding sleeve is slidably connected to the grounding electrode.

[0012] Preferably, the switching mechanism further includes: a first insulating post connected to the switching blade, a rotating shaft connected to the first insulating post, and an insulating handle connected to the rotating shaft.

[0013] Preferably, the switching mechanism further includes a limiting piece adapted to the insulating handle, wherein the limiting piece, after being connected to the insulating handle, is used to lock the movement of the rotating shaft.

[0014] Preferably, the limiting plate is provided with a limiting hole, and the insulating handle is provided with a fixing bolt that matches the limiting hole.

[0015] Preferably, the switching mechanism further includes a reinforcing plate connected to the switching blade, the reinforcing plate having an L-shaped structure, one end of which is connected to the switching blade and the other end of which is connected to the first insulating post.

[0016] Preferably, the switching mechanism further includes a control box, wherein the conductive strip, the switching blade, the first contact piece, and the second contact piece are disposed in the control box.

[0017] Preferably, the switching mechanism further includes: a second insulating post and a support plate disposed on the second insulating post, wherein the support plate is connected to the second contact piece.

[0018] Preferably, the connection mechanism includes: a terminal block and a first conductive bar connected to the terminal block, wherein the conductive strip is connected to the first conductive bar.

[0019] By adopting the above technical solution, this utility model mainly has the following technical effects:

[0020] 1. When the anti-pull claws open, they form a barbed structure. When subjected to external force, the anti-pull claws generate reverse resistance with the foundation hole wall, which significantly improves the single-point anchoring force. This solves the defects of traditional smooth grounding rods, such as weak anti-pull ability and easy loosening, and provides more stable mechanical anchoring. It ensures that the grounding electrode maintains a reliable implantation depth under complex external force, and effectively reduces the risk of grounding resistance fluctuation.

[0021] 2. A mechanical locking mechanism consisting of an insulated handle, a limiting plate, and a fixing bolt enables safe on / off control of the grounding path. The conductive path can be disconnected by manually removing the fixing bolt. Electrical isolation is provided throughout the rotation operation by the insulated handle, the first insulating post, and the second insulating post, avoiding the risks of live operation. By integrating the electrical connection and mechanical control of the grounding electrode into one unit, the problems of traditional devices relying on external switches for on / off control, cumbersome operation, and potential safety hazards are solved. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of a lightning protection grounding device for electromechanical equipment according to the present invention;

[0023] Figure 2 This is a schematic diagram of the internal structure of a lightning protection grounding device for electromechanical equipment according to the present invention;

[0024] Figure 3 This is a schematic diagram of the internal structure of a lightning protection grounding device for electromechanical equipment according to this utility model (from another perspective);

[0025] Figure 4 This is a structural schematic diagram of a lightning protection grounding device for electromechanical equipment according to this utility model (from another perspective).

[0026] The meanings of the reference numerals in the attached figures are as follows:

[0027] 1. Connecting mechanism; 11. Terminal block; 12. First conductive bar;

[0028] 2. Switching mechanism; 21. Conductive strip; 22. Switching blade; 23. First contact piece; 24. Second contact piece; 25. First insulating post; 26. Rotating shaft; 27. Insulating handle; 271. Fixing bolt; 28. Limiting piece; 281. Limiting hole; 29. ​​Reinforcing piece; 210. Control box; 211. Second insulating post; 212. Support plate;

[0029] 3. Grounding mechanism; 31. Second conductive busbar; 32. Grounding electrode;

[0030] 4. Pull-out mechanism; 41. Connecting sleeve; 42. Pull-out claw; 43. Connecting arm; 44. Sliding sleeve; 45. Connecting hole. Detailed Implementation

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0032] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0033] Please see Figures 1-4This utility model provides a lightning protection grounding device for electromechanical equipment, including: a connecting mechanism 1, a switching mechanism 2 connected to the connecting mechanism 1, a grounding mechanism 3 connected to the switching mechanism 2, and an anti-pull-out mechanism 4 disposed on the grounding mechanism 3.

[0034] In some embodiments, the connection mechanism 1 is used to connect the lightning protection grounding device to the electromechanical equipment to form an electrical conduction path. It includes: a terminal block 11 and a first conductive bar 12 connected to the terminal block 11. In some embodiments, the terminal block 11 is a row-shaped structure with multiple connection ports. By connecting the external grounding wire to the terminal block 11, an electrical conduction path is formed. In some embodiments, the first conductive bar 12 is connected to the terminal block 11 and the switching mechanism 2, thereby connecting the connection mechanism 1 and the switching mechanism 2.

[0035] In some embodiments, the switching mechanism 2 is used to adjust the working state of the lightning protection grounding device, and includes: a conductive strip 21, a switching blade 22 connected to the conductive strip 21, and a first contact piece 23 and a second contact piece 24 adapted to the switching blade 22. In some embodiments, the conductive strip 21 is connected to a first conductive busbar 12, and the first contact piece 23 is connected to a grounding mechanism 3. The connection state of the switching mechanism 2 is adjusted by switching the contact points between the switching blade 22 and the first contact piece 23 and the second contact piece 24.

[0036] Furthermore, the switching mechanism 2 further includes: a first insulating post 25 connected to the switching blade 22, a rotating shaft 26 connected to the first insulating post 25, and an insulating handle 27 connected to the rotating shaft 26. In some embodiments, one end of the first insulating post 25 is connected to the switching blade 22. Under the rotation of the rotating shaft 26, the switching blade 22 can rotate around the rotating shaft 26, thereby switching the contact points between the switching blade 22 and the first contact piece 23 and the second contact piece 24. For example, the operator can rotate the insulating handle 27 to separate the switching blade 22 from the first contact piece 23 and bring the switching blade 22 into contact with the second contact piece 24, thereby disconnecting the switching mechanism 2.

[0037] In some more preferred embodiments, the switching mechanism 2 further includes a limiting plate 28 adapted to the insulating handle 27. The limiting plate 28, after being connected to the insulating handle 27, is used to lock the movement of the rotating shaft 26. The limiting plate 28 has a limiting hole 281, and the insulating handle 27 has a fixing bolt 271 adapted to the limiting hole 281. The operator can pass the fixing bolt 271 through the limiting hole 281 and lock it with a nut, thus connecting the insulating handle 27 to the limiting plate 28, preventing the insulating handle 27 from rotating and locking the movement of the rotating shaft 26. Further, the number of limiting plates 28 can be two sets, adapted to the positions of the insulating handle 27 when the switching blade 22 contacts the first contact piece 23 and when the switching blade 22 contacts the second contact piece 24, respectively, thereby locking the state of the switching mechanism 2 after the state switch and achieving safe on / off control.

[0038] In some more preferred embodiments, the switching mechanism 2 further includes a reinforcing plate 29 connected to the switching blade 22. The reinforcing plate 29 has an L-shaped structure, with one end connected to the switching blade 22 and the other end connected to the first insulating post 25.

[0039] Furthermore, the switching mechanism 2 also includes a control box 210, wherein the conductive strip 21, the switching blade 22, the first contact piece 23 and the second contact piece 24 are disposed in the control box 210, so that the switching process of the switching blade 22 is completely enclosed and there is no risk of electric arc exposure during operation.

[0040] In some more preferred embodiments, the switching mechanism 2 further includes: a second insulating post 211 and a support plate 212 disposed on the second insulating post 211, wherein the support plate 212 is connected to the second contact piece 24, so that when the switching blade 22 is connected to the second contact piece 24, an open circuit can be formed in the switching mechanism 2, ensuring the safety of the switching mechanism 2 when it is disconnected.

[0041] In some embodiments, the grounding mechanism 3 is connected to the first contact piece 23 to connect the lightning protection grounding device to the earth and safely discharge the lightning current into the earth through the grounding device. It includes: a second conductive bus 31 and a grounding electrode 32 connected to the second conductive bus 31. In some embodiments, the second conductive bus 31 is connected to the first contact piece 23, and the tapered end of the grounding electrode 32 is connected to the earth, thereby forming an electrical conduction path between the grounding wire and the earth.

[0042] In some embodiments, the pull-out resistance mechanism 4 is disposed on the grounding mechanism 3 to enhance the pull-out resistance effect of the grounding mechanism 3. It includes: a connecting sleeve 41, a pull-out resistance claw 42 connected to the connecting sleeve 41, a connecting arm 43 connected to the pull-out resistance claw 42, and a sliding sleeve 44 connected to the connecting arm 43. In some embodiments, the connecting sleeve 41 is connected to the grounding electrode 32, and one end of the pull-out resistance claw 42 is hinged to the connecting sleeve 41. When the pull-out resistance claw 42 is unfolded, it forms a barbed structure on the grounding electrode 32, which can effectively increase the contact area between the pull-out resistance mechanism 4 and the soil, thereby enhancing the pull-out resistance and resisting rain erosion or accidental pulling of equipment. The two ends of the connecting arm 43 are hinged to the anti-pull claw 42 and the sliding sleeve 44 respectively. The sliding sleeve 44 is slidably connected to the grounding electrode 32. The above design allows the sliding sleeve 44 to slide along the setting direction of the grounding electrode 32, thereby expanding or closing the anti-pull claw 42 by sliding the sliding sleeve 44 along the setting direction of the grounding electrode 32. This enhances the anti-pull force when the anti-pull claw 42 is expanded and reduces the volume when the anti-pull claw 42 is closed, making it convenient for transportation.

[0043] In some more preferred embodiments, the sliding sleeve 44 is also provided with a connection hole 45 that is adapted to the grounding electrode 32. When the sliding sleeve 44 slides to a suitable position, the operator can connect the sliding sleeve 44 to the grounding electrode 32 with a screw, thereby locking the sliding state of the sliding sleeve 44.

[0044] Finally, it should be noted that the embodiments disclosed in this utility model are merely preferred embodiments of this utility model and are only used to illustrate the technical solutions of this utility model, not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of this utility model.

Claims

1. A lightning protection grounding device for electromechanical equipment, characterized in that, include: A connecting mechanism, a switching mechanism connected to the connecting mechanism, a grounding mechanism connected to the switching mechanism, and an anti-pull-out mechanism provided on the grounding mechanism; The switching mechanism includes: a conductive strip, a switching blade connected to the conductive strip, and a first contact piece and a second contact piece adapted to the switching blade; The grounding mechanism includes: a second conductive busbar, and a grounding electrode connected to the second conductive busbar; The second conductive busbar is connected to the first contact piece, and the tapered end of the grounding electrode is connected to the earth; The pull-out mechanism includes: a connecting sleeve, a pull-out claw connected to the connecting sleeve, a connecting arm connected to the pull-out claw, and a sliding sleeve connected to the connecting arm. The connecting sleeve is connected to the grounding electrode, and one end of the anti-pull claw is hinged to the connecting sleeve; The two ends of the connecting arm are respectively hinged to the anti-pull claw and the sliding sleeve, and the sliding sleeve is slidably connected to the grounding electrode.

2. The lightning protection grounding device for electromechanical equipment according to claim 1, characterized in that, The switching mechanism further includes: a first insulating post connected to the switching blade, a rotating shaft connected to the first insulating post, and an insulating handle connected to the rotating shaft.

3. The lightning protection grounding device for electromechanical equipment according to claim 2, characterized in that, The switching mechanism further includes a limiting plate adapted to the insulating handle, which, after being connected to the insulating handle, is used to lock the movement of the rotating shaft.

4. The lightning protection grounding device for electromechanical equipment according to claim 3, characterized in that, The limiting plate is provided with a limiting hole, and the insulating handle is provided with a fixing bolt that matches the limiting hole.

5. A lightning protection grounding device for electromechanical equipment according to claim 2, characterized in that, The switching mechanism further includes a reinforcing plate connected to the switching blade. The reinforcing plate has an L-shaped structure, with one end connected to the switching blade and the other end connected to the first insulating post.

6. The lightning protection grounding device for electromechanical equipment according to claim 1, characterized in that, The switching mechanism further includes a control box, wherein the conductive strip, switching blade, first contact piece, and second contact piece are disposed in the control box.

7. A lightning protection grounding device for electromechanical equipment according to claim 1, characterized in that, The switching mechanism further includes: a second insulating post, and a support plate disposed on the second insulating post, wherein the support plate is connected to the second contact piece.

8. A lightning protection grounding device for electromechanical equipment according to claim 1, characterized in that, The connection mechanism includes: a terminal block and a first conductive bar connected to the terminal block, wherein the conductive strip is connected to the first conductive bar.

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