Pole-mounted circuit breaker with protection function

Abstract

The utility model discloses a pole-mounted circuit breaker with a protection function, which comprises an installation piece installed on a telegraph pole, one side of the installation piece is fixedly connected with a circuit breaker main body, one side of the installation piece is fixedly connected with a protection frame, and the protection frame is located on the outer side of the circuit breaker main body and fixedly connected with the circuit breaker main body. A protective door is hinged to the front face of the protective frame. According to the utility model, through cooperation of the installation member, the circuit breaker main body, the protection frame, the protection door, the buffer groove, the moving groove, the buffer, the moving block, the buffer spring, the protection shaft and the protection pad, buffer structures can be arranged at two sides of the protection frame, and external impact force and vibration force can be absorbed through elastic deformation of the buffer spring. And elastic deformation of the buffer spring is converted into mechanical energy by utilizing the buffer, so that buffering and shock absorption of external impact force are realized, side impact force can be effectively buffered, and the circuit breaker in the protection box is protected from being damaged.

Description

Technical Field

[0001] This utility model relates to the field of pole-mounted circuit breaker technology, specifically a pole-mounted circuit breaker with protective function. Background Technology

[0002] Pole-mounted circuit breakers refer to circuit breakers installed and operated on utility poles. The research level and manufacturing technology of various circuit breakers have made great progress. Vacuum circuit breakers are no longer limited to medium-voltage power grids, but are developing towards high voltage and large capacity. Sulfur hexafluoride circuit breakers have many advantages, such as strong breaking capacity, high number of consecutive breaking times, frequent operation, low operating noise, and no fire hazard. They are a good oil-free device.

[0003] A search revealed a circuit breaker with protective functions disclosed in Chinese patent application number 202222299697.X. This patent relates to the field of circuit breaker technology. The patent includes a mounting plate, with a protective frame fixedly connected to one side of the mounting plate. A circuit breaker body, also fixedly connected to the mounting plate, is fixedly connected to the protective frame. A mounting box is fixedly connected to one side of the protective frame, and a motor is fixedly connected to one side of the mounting box. The output end of the motor is fixedly connected to a first rotating shaft rotatably connected to the mounting box via a coupling. This patent achieves protection for the circuit breaker body through the cooperation of the protective frame and the installation and maintenance mechanism. Simultaneously, the motor drives the first rotating shaft to rotate, which in turn drives a second rotating shaft and fan blades to rotate via a first gear and a second gear. Furthermore, the second filter plate helps dissipate heat from the circuit breaker body within the protective frame, thus achieving both external protection and internal heat dissipation for the circuit breaker body, significantly improving its service life.

[0004] While the aforementioned patent achieves external protection and internal heat dissipation for the circuit breaker body, significantly extending its service life, in practical use, the lack of corresponding buffer structures on both sides of the protective frame in this patent makes the sides of the protective box more susceptible to impacts from external factors, especially since circuit breakers are often used in special scenarios such as high-altitude pole installations. The complex and changeable environment at high altitudes, with strong winds often exceeding ground speeds and highly unstable wind directions, exposes the protective box installed on high-altitude poles to continuous and powerful wind loads, making it prone to swaying or even displacement. Furthermore, the accidental falling of tools, parts, and other objects in high-altitude work areas can damage the protective box from the sides, thus reducing its practicality to some extent.

[0005] Therefore, a pole-mounted circuit breaker with protective functions is needed to solve this problem. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a pole-mounted circuit breaker with protective functions, which has the advantage of setting buffer structures on both sides of the protective frame, effectively buffering these lateral impact forces and protecting the circuit breaker inside the protective box from damage.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a pole-mounted circuit breaker with protective function, comprising a mounting component installed on a utility pole, a circuit breaker body fixedly connected to one side of the mounting component, a protective frame fixedly connected to one side of the mounting component, the protective frame being located outside the circuit breaker body and fixedly connected thereto, a protective door hinged to the front of the protective frame, a wire electrically connected to the circuit breaker body being fixedly connected to the bottom of the protective frame through a connection port, buffer grooves symmetrically opened on both sides of the protective frame, movable grooves symmetrically fixedly connected inside the buffer grooves, buffers fixedly connected inside the movable grooves, a movable block fixedly connected to the other end of the buffer, and the movable block slidingly connected to the movable groove, a buffer spring sleeved on the surface of the buffer, a protective shaft provided between the two movable blocks, and a protective pad rotatably connected to the surface of the protective shaft.

[0008] As a preferred embodiment of this utility model, a threaded block is fixedly connected to the outer side of the movable block, a lifting groove is provided on the surface of the protective shaft, a lifting ring is rotatably connected inside the lifting groove, and the lifting ring is threadedly connected to the threaded block.

[0009] As a preferred embodiment of this utility model, the buffer trough has several inclined openings on its wall, and the several inclined openings are arranged vertically and evenly, and the bottom of the moving trough below has a water leakage hole.

[0010] As a preferred embodiment of this utility model, the protective frame has an embedding groove on its front side, and the embedding groove is connected to the inclined opening. An embedding frame is snapped into the inside of the embedding groove, and an insulating dustproof net is fixedly connected inside the embedding frame. The cross-sectional area of ​​the insulating dustproof net is greater than the cross-sectional area of ​​the image formed by the inclined opening on one side.

[0011] As a preferred embodiment of this utility model, the protective frame is symmetrically threaded with protective posts on the front side, the protective posts are fixedly connected with protective pads, and the top of the protective frame is provided with a guide groove.

[0012] As a preferred embodiment of this invention, the interior of the movable groove is symmetrically provided with limiting grooves, the surface of the movable block is symmetrically fixedly connected with limiting blocks, and the limiting blocks are slidably connected to the limiting grooves.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model, through the cooperation of mounting components, circuit breaker body, protective frame, protective door, buffer groove, moving groove, buffer, moving block, buffer spring, protective shaft and protective pad, can set buffer structures on both sides of the protective frame. The elastic deformation of the buffer spring is used to absorb the external impact force and vibration force. Then, the buffer is used to convert the elastic deformation of the buffer spring into mechanical energy, thereby realizing the buffering and shock absorption of external impact force. This can effectively buffer these lateral impact forces and protect the circuit breaker in the protective box from damage.

[0015] 2. This utility model, through the setting of threaded block, lifting groove and lifting ring, enables the protective shaft to be disassembled, thereby allowing the protective shaft and protective pad to be replaced separately as vulnerable parts, thus reducing the subsequent maintenance cost. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a partial cross-sectional perspective view of the structure of this utility model;

[0018] Figure 3 This is a three-dimensional schematic diagram of the buffer, moving block and protective pad of this utility model used together;

[0019] Figure 4 This is a three-dimensional schematic diagram of the embedded frame and the insulating dustproof net used in conjunction with this utility model.

[0020] In the diagram: 1. Mounting component; 2. Circuit breaker body; 3. Protective frame; 4. Protective door; 5. Buffer groove; 6. Moving groove; 7. Buffer; 8. Moving block; 9. Buffer spring; 10. Protective shaft; 11. Protective pad; 12. Threaded block; 13. Lifting groove; 14. Lifting ring; 15. Inclined opening; 16. Embedded groove; 17. Embedded frame; 18. Insulating dustproof net; 19. Protective post; 20. Limiting block. Detailed Implementation

[0021] 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.

[0022] like Figures 1 to 4As shown, this utility model provides a pole-mounted circuit breaker with protective function, including a mounting component 1 installed on a utility pole. A circuit breaker body 2 is fixedly connected to one side of the mounting component 1, and a protective frame 3 is fixedly connected to one side of the mounting component 1. The protective frame 3 is located outside and fixedly connected to the circuit breaker body 2. A protective door 4 is hinged to the front of the protective frame 3. Both the protective frame 3 and the protective door 4 adopt a double-layer structure. The inner layer is a metal shielding layer, which can be made of metal mesh or metal foil, effectively shielding external electromagnetic interference and preventing the generation of induced charges in the protective box due to electromagnetic induction, thereby reducing the occurrence of discharge phenomena. The outer layer is an insulating protective layer, which can be made of polycarbonate, possessing excellent impact resistance, effectively buffering external impacts, and protecting the internal circuit breaker. It has good weather resistance and is not prone to aging or deformation in harsh environments such as ultraviolet radiation and high and low temperatures. It can be used stably for a long time and has excellent electrical insulation performance, which can prevent leakage and ensure the safe operation of power equipment. The surface of the protective door 4 is provided with an observation window. The bottom of the protective frame 3 is fixedly connected to the wire electrically connected to the circuit breaker body 2 through the connection port. The two sides of the protective frame 3 are symmetrically provided with buffer grooves 5. The inside of the buffer groove 5 is symmetrically fixedly connected with a moving groove 6. The inside of the moving groove 6 is fixedly connected with a buffer 7. The other end of the buffer 7 is fixedly connected with a moving block 8, and the moving block 8 is slidably connected to the moving groove 6. The surface of the buffer 7 is fitted with a buffer spring 9. A protective shaft 10 is provided between the two moving blocks 8. A protective pad 11 is rotatably connected to the surface of the protective shaft 10.

[0023] refer to Figure 2 and Figure 3 A threaded block 12 is fixedly connected to the outer side of the movable block 8. A lifting groove 13 is provided on the surface of the protective shaft 10. A lifting ring 14 is rotatably connected inside the lifting groove 13, and the lifting ring 14 is threadedly connected to the threaded block 12.

[0024] As a technical optimization of this utility model, the protective shaft 10 can be disassembled by setting the threaded block 12, the lifting groove 13 and the lifting ring 14, so that the protective shaft 10 and the protective pad 11 can be replaced separately as vulnerable parts, thereby reducing the subsequent maintenance cost.

[0025] refer to Figure 2 The buffer tank 5 has several inclined openings 15 on its wall, and the several inclined openings 15 are arranged vertically and evenly. The bottom of the moving tank 6 below has a water leakage hole.

[0026] As a technical optimization of this utility model, the inclined opening 15 facilitates the exchange of air between the inside of the protective frame 3 and the outside air, thereby enabling heat dissipation of the circuit breaker body 2. The inclined setting also provides a certain waterproof effect. Furthermore, the drainage hole prevents rainwater from accumulating in the moving groove 6, which could cause the buffer 7, moving block 8, and buffer spring 9 to be soaked by rainwater.

[0027] refer to Figure 1 , Figure 2 and Figure 4 The protective frame 3 has an embedded groove 16 on its front side, and the embedded groove 16 is connected to the inclined opening 15. An embedded frame 17 is snapped into the inside of the embedded groove 16. An insulating dustproof net 18 is fixedly connected inside the embedded frame 17, and the cross-sectional area of ​​the insulating dustproof net 18 is larger than the cross-sectional area of ​​the image formed by the inclined opening 15 on one side.

[0028] As a technical optimization of this utility model, the embedded groove 16, the embedded frame 17 and the insulating dustproof net 18 can filter the air entering the protective frame 3, thereby preventing dust from entering the interior of the protective frame 3.

[0029] refer to Figure 1 The protective frame 3 has symmetrical threaded connections to protective posts 19 on its front side. Protective pads are fixedly connected to the surface of the protective posts 19. A guide groove is provided on the top of the protective frame 3.

[0030] As a technical optimization of this utility model, the protective column 19 and the protective pad can protect the front of the protective frame 3, and the rainwater can be guided by the guide channel.

[0031] refer to Figure 2 and Figure 3 The inside of the movable groove 6 is symmetrically provided with limiting grooves, and the surface of the movable block 8 is symmetrically fixedly connected with limiting block 20, and the limiting block 20 is slidably connected with the limiting groove.

[0032] As a technical optimization of this utility model, by setting the limiting groove and the limiting block 20, the movement trajectory of the moving block 8 can be restricted, so that it can only perform linear movement.

[0033] The working principle and usage process of this utility model are as follows: When using this pole-mounted circuit breaker, first install it in the designated position. During use, if strong winds or foreign objects impact the protective frame 3 from the side, the protective shaft 10 and the rotatable protective pad 11 will first come into contact with it, allowing the elastic deformation of the buffer spring 9 to absorb the external impact and vibration. Then, the buffer 7 will convert the elastic deformation of the buffer spring 9 into mechanical energy. At the same time, the arc-shaped design of the protective shaft 10 and the protective pad 11 can reduce wind resistance and reduce the force of the wind on the protective frame 3. This achieves buffering and shock absorption of external impact forces, effectively buffering these lateral impact forces. At the same time, when subjected to external impact, the rotatable protective pad 11 disperses the impact force by rotating, and the buffer 7 further absorbs energy, protecting the circuit breaker body 2 inside the protective frame 3 from damage, thus achieving a wind-resistant effect. Furthermore, by utilizing the cooperation of the threaded block 12, the lifting groove 13, and the lifting ring 14, the protective shaft 10 can be quickly disassembled, allowing the protective shaft 10 and the protective pad 11 to be replaced separately as vulnerable parts, thereby reducing subsequent maintenance costs.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] 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 pole-mounted circuit breaker with a protection function, comprising a mounting (1) mounted on a telegraph pole, characterized in that: The installation piece (1) is fixedly connected with a circuit breaker body (2) on one side, and a protective frame (3) is fixedly connected on one side of the installation piece (1), and the protective frame (3) is located outside the circuit breaker body (2) and is fixedly connected with the same, the front of the protective frame (3) is hingedly connected with a protective door (4), the bottom of the protective frame (3) is fixedly connected with a wire electrically connected with the circuit breaker body (2) through a connecting port, the two sides of the protective frame (3) are symmetrically provided with buffer grooves (5), the inside of the buffer groove (5) is fixedly connected with a moving groove (6), the inside of the moving groove (6) is fixedly connected with a buffer (7), the other end of the buffer (7) is fixedly connected with a moving block (8), and the moving block (8) is slidably connected with the moving groove (6), the surface of the buffer (7) is provided with a buffer spring (9), a protective shaft (10) is arranged between the two moving blocks (8), and the surface of the protective shaft (10) is rotatably connected with a protective pad (11).

2. The pole-mounted circuit breaker with a protection function according to claim 1, characterized in that: The outside of the moving block (8) is fixedly connected with a threaded block (12), the surface of the protective shaft (10) is provided with a lifting groove (13), and the inside of the lifting groove (13) is rotatably connected with a lifting ring (14), and the lifting ring (14) is threadedly connected with the threaded block (12).

3. The pole-mounted circuit breaker with protection function according to claim 1, characterized in that: The groove wall of the buffer groove (5) is provided with a plurality of inclined openings (15), and the plurality of inclined openings (15) are vertically and uniformly arranged, and the groove bottom of the lower moving groove (6) is provided with a water leakage hole.

4. The pole-mounted circuit breaker with a protection function according to claim 3, characterized in that: The front of the protective frame (3) is provided with an embedded groove (16), and the embedded groove (16) is communicated with the inclined opening (15), the inside of the embedded groove (16) is clamped with an embedded frame (17), the inside of the embedded frame (17) is fixedly connected with an insulating dustproof net (18), and the cross-sectional area of the insulating dustproof net (18) is greater than that of the inclined opening (15) on one side.

5. The pole-mounted circuit breaker with protection function according to claim 1, characterized in that: The front of the protective frame (3) is symmetrically and threadedly connected with a protective column (19), the surface of the protective column (19) is fixedly connected with a protective pad, and the top of the protective frame (3) is provided with a flow guide groove.

6. The pole-mounted circuit breaker with protection function according to claim 1, characterized in that: The inside of the moving groove (6) is symmetrically provided with a limiting groove, and the surface of the moving block (8) is symmetrically fixedly connected with a limiting block (20), and the limiting block (20) is slidably connected with the limiting groove.

Images