Protective device for arc-extinguishing harmonic-eliminating cabinet

Abstract

The utility model provides a protective device for an arc-extinguishing harmonic-eliminating cabinet, and relates to the field of arc-extinguishing harmonic-eliminating cabinets. The protection device for the arc-extinguishing and harmonic-eliminating cabinet comprises an arc-extinguishing and harmonic-eliminating cabinet body and a protection outer frame, the bottom end of the protection outer frame is fixedly connected with a fixed bottom plate, a plurality of protection mechanisms for protecting the arc-extinguishing and harmonic-eliminating cabinet body are arranged outside the protection outer frame, and each protection mechanism comprises a limiting frame and a second movable plate. And a first movable plate is slidably connected into the limiting frame. According to the protection device for the arc-extinguishing and harmonic-eliminating cabinet, effective protection is provided for the arc-extinguishing and harmonic-eliminating cabinet body through the protection outer frame and the fixed bottom plate, displacement of the internal structure of the arc-extinguishing and harmonic-eliminating cabinet caused by external force impact is avoided, and the operation stability of the arc-extinguishing and harmonic-eliminating cabinet is improved; and through the first movable plate and the second movable plate, the protection outer frame is protected, so that the operation of the arc-extinguishing and harmonic-eliminating cabinet is more stable, and the protection effect of the device on the arc-extinguishing and harmonic-eliminating cabinet is improved.

Description

Technical Field

[0001] The utility model relates to an arc extinguishing and harmonic elimination cabinet protection device, in particular to a protection device used for an arc extinguishing and harmonic elimination cabinet, belonging to the technical field of arc extinguishing and harmonic elimination cabinets. Background Art

[0002] Arc suppression and detuning cabinet is used in the power industry for 3-35KV power systems with ungrounded neutral point, grounded neutral point through arc suppression coil or grounded neutral point through high resistance. It can limit various overvoltages in the system and effectively improve the system operation safety and power supply reliability.

[0003] The utility model with patent announcement number CN217469454U relates to the technical field of harmonic elimination cabinets, specifically an arc-extinguishing and harmonic elimination cabinet, including a harmonic elimination cabinet body, a heat dissipation assembly is arranged on the outside of the harmonic elimination cabinet body, and the heat dissipation assembly includes two heat dissipation boxes, and the two heat dissipation boxes are fixedly connected to a motor on one side away from each other, and the output shaft of the motor is fixedly connected to a rotating rod, and the outer side of the rotating rod is threadedly connected to a moving block, and heat dissipation holes are opened on the inner walls of the left and right sides of the harmonic elimination cabinet body. The arc-extinguishing and harmonic elimination cabinet, through the heat dissipation assembly arranged on the outside of the harmonic elimination cabinet body, is convenient for heat dissipation of the harmonic elimination cabinet body during use, which helps to reduce the heat inside the harmonic elimination cabinet body.

[0004] In order to ensure the safety of high-voltage transmission lines in the field, arc-extinguishing and harmonic-eliminating cabinets are used. Although the device in the above patent helps to dissipate heat in the arc-extinguishing and harmonic-eliminating cabinet, it is difficult to provide effective protection for the arc-extinguishing and harmonic-eliminating cabinet. During use, if it is hit by external force, it is easy to shake, causing displacement of the internal structure and affecting its normal operation. For this reason, we provide a protective device for arc-extinguishing and harmonic-eliminating cabinets to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a protective device for arc extinguishing and harmonic elimination cabinets in order to solve the above problems, so as to solve the problem of poor protective ability of arc extinguishing and harmonic elimination cabinets in comparative documents.

[0006] Technical Solution

[0007] The utility model is realized through the following technical scheme: a protective device for arc extinguishing and harmonic extinguishing cabinet.

[0008] It includes an arc-extinguishing and harmonic-eliminating cabinet body and a protective outer frame, the bottom end of the protective outer frame is fixedly connected to a fixed bottom plate, the arc-extinguishing and harmonic-eliminating cabinet body is located inside the protective outer frame, and the bottom end of the arc-extinguishing and harmonic-eliminating cabinet body is fixedly connected to the fixed bottom plate, and a plurality of protective mechanisms for protecting the arc-extinguishing and harmonic-eliminating cabinet body are arranged outside the above-mentioned protective outer frame, the protective mechanism includes a limit frame and a second movable plate, and the inside of the limit frame is slidably connected to the first movable plate.

[0009] Preferably, a connecting soft rod is fixedly connected to the surface of the second movable plate, and both ends of the connecting soft rod are fixedly connected to two adjacent first movable plates. A second buffer pad is fixedly connected to the surface of the second movable plate. The connecting soft rod and the second movable plate provide protection for the protective outer frame to prevent objects from directly hitting the protective outer frame.

[0010] Preferably, the limit frame is fixedly connected to the protective outer frame, a first buffer pad is fixedly connected to the surface of the first movable plate, and a plurality of buffer mechanisms for buffering the first movable plate are arranged inside the limit frame. The buffer mechanism includes an arc spring plate and a supporting slide rod. The first buffer pad provides buffering for the first movable plate to prevent objects from directly rigidly colliding with the first movable plate, thereby reducing the impact force borne by the first movable plate.

[0011] Preferably, a rubber block is fixedly connected to the middle of the arc spring plate, and the rubber block is fixedly connected to the first movable plate, sliding blocks are fixedly connected to both ends of the arc spring plate, both ends of the supporting slide rod pass through the sliding blocks and are fixedly connected to the limit frame, and the sliding block is slidably connected to the supporting slide rod, and the frontal impact force borne by the first movable plate is dispersed to both sides through the arc spring plate, thereby reducing the occurrence of frontal impact.

[0012] Preferably, the surface of the supporting slide rod is slidably connected to two buffer sleeves, and both ends of each buffer sleeve are respectively fixedly connected to the adjacent sliding block and the limit frame. The impact force borne by the sliding block is eliminated and absorbed by the buffer sleeve, and the sliding block is pushed back to its original position after the external force is removed.

[0013] Preferably, a reinforcement frame is fixedly connected to the inside of the limit frame, and the middle part of the supporting slide rod is fixedly connected to the reinforcement frame. The supporting slide rod and the limit frame are reinforced by the reinforcement frame to improve the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body.

[0014] Preferably, the bottom surface of the fixed base plate is fixedly connected to a fixed rod, the surface of the fixed rod is fixedly connected to an extension plate, and the top end of the protective outer frame is hinged with a warehouse door. The fixing rod and the extension plate can improve the grip of the fixed base plate and improve the ability of the protective outer frame and the fixed base plate to withstand impact force.

[0015] The utility model provides a protective device for arc extinguishing and harmonic extinguishing cabinet, which has the following beneficial effects:

[0016] The protective device for the arc extinguishing and harmonic elimination cabinet provides effective protection for the arc extinguishing and harmonic elimination cabinet body through a protective outer frame and a fixed bottom plate, avoids the internal structure of the arc extinguishing and harmonic elimination cabinet body from moving due to external force impact, improves the stability of the operation of the arc extinguishing and harmonic elimination cabinet body, fixes the position of the first movable plate through a limit frame, protects the protective outer frame through the first movable plate and the second movable plate, improves the protection capability of the device, makes the operation of the arc extinguishing and harmonic elimination cabinet body more stable, and improves the protection effect of the device on the arc extinguishing and harmonic elimination cabinet body.

[0017] The protective device for arc extinguishing and harmonic elimination cabinet connects the second movable plate and the first movable plate in an interlaced manner by connecting the soft rod, thereby reducing the generation of protective loopholes; provides protection for the protective outer frame by connecting the soft rod and the second movable plate, thereby preventing objects from directly hitting the protective outer frame; provides buffering for the second movable plate by the second buffer pad; provides buffering for the first movable plate by the first buffer pad, thereby preventing objects from directly rigidly hitting the first movable plate, thereby reducing the impact force borne by the first movable plate; disperses the frontal impact force borne by the first movable plate to both sides by the arc spring plate, thereby reducing the generation of frontal impact; increases the contact area between the arc spring plate and the first movable plate by the rubber block; generates a certain deformation after the first movable plate is borne by the impact force, thereby offsetting part of the impact force, thereby improving the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body.

[0018] The protective device for arc extinguishing and harmonic elimination cabinet disperses the lateral impact force borne by the arc spring plate to both sides through the sliding block sliding on the supporting sliding rod, reduces the impact force transmitted to the arc extinguishing and harmonic elimination cabinet body, eliminates and absorbs the impact force borne by the sliding block through the buffer sleeve, and pushes the sliding block back to its original position after the external force is removed, reinforces the supporting sliding rod and the limit frame through the reinforcement frame, improves the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body, facilitates the staff to enter the device to maintain the arc extinguishing and harmonic elimination cabinet body through the warehouse door, improves the gripping strength of the fixed bottom plate through the fixing rod and the extension plate, improves the impact bearing capacity of the protective outer frame and the fixed bottom plate, and improves the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the internal structure of the protective outer frame of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the first movable plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the second movable plate of the utility model;

[0023] Figure 5This is a schematic diagram of the structure of the buffer mechanism of the utility model.

[0024]

Main component symbol description

[0025] 1. Arc extinguishing and detuning cabinet body; 2. Protective outer frame;

[0026] 3. Protective mechanism; 301. Limiting frame; 302. First movable plate; 303. First buffer pad; 304. Reinforcement frame; 305. Second movable plate; 306. Connecting soft rod; 307. Second buffer pad;

[0027] 4. Buffer mechanism; 401. Arc spring plate; 402. Rubber block; 403. Support slide bar; 404. Sliding block; 405. Buffer sleeve;

[0028] 5. Fixed bottom plate; 6. Fixed rod; 7. Extension plate; 8. Warehouse door. DETAILED DESCRIPTION

[0029] The embodiment of the utility model provides a protective device for an arc extinguishing and harmonic extinguishing cabinet.

[0030] See also Figure 1 and Figure 2 , including an arc-extinguishing and harmonic-eliminating cabinet body 1 and a protective outer frame 2, the bottom end of the protective outer frame 2 is fixedly connected with a fixed bottom plate 5, the arc-extinguishing and harmonic-eliminating cabinet body 1 is located inside the protective outer frame 2, and the bottom end of the arc-extinguishing and harmonic-eliminating cabinet body 1 is fixedly connected to the fixed bottom plate 5, the arc-extinguishing and harmonic-eliminating cabinet body 1 is effectively protected by the protective outer frame 2 and the fixed bottom plate 5, the internal structure of the arc-extinguishing and harmonic-eliminating cabinet body 1 is prevented from moving due to external force impact, and the stability of the operation of the arc-extinguishing and harmonic-eliminating cabinet body 1 is improved.

[0031] The bottom surface of the fixed base plate 5 is fixedly connected with a fixed rod 6, the surface of the fixed rod 6 is fixedly connected with an extension plate 7, and a compartment door 8 is hinged on the top of the protective outer frame 2. The fixing rod 6 and the extension plate 7 can improve the grip of the fixed base plate 5, and improve the ability of the protective outer frame 2 and the fixed base plate 5 to withstand impact force. Through the compartment door 8, it is convenient for staff to enter the interior of the device to maintain the arc extinguishing and harmonic elimination cabinet body 1, and the compartment door 8 is in a pointed cone shape to provide protection for the top of the arc extinguishing and harmonic elimination cabinet body 1.

[0032] See also Figure 3 and Figure 4 The outside of the above-mentioned protective outer frame 2 is provided with a plurality of protective mechanisms 3 for protecting the arc extinguishing and harmonic elimination cabinet body 1. The protective mechanism 3 includes a limit frame 301 and a second movable plate 305. The limit frame 301 is internally slidably connected with a first movable plate 302. The position of the first movable plate 302 is fixed by the limit frame 301. The protective outer frame 2 is protected by the first movable plate 302 and the second movable plate 305, thereby improving the protection capability of the device and making the arc extinguishing and harmonic elimination cabinet body 1 run more stably.

[0033] A connecting soft rod 306 is fixedly connected to the surface of the second movable plate 305, and the two ends of the connecting soft rod 306 are fixedly connected to the two adjacent first movable plates 302. The connecting soft rod 306 is made of rubber material, which can provide a certain degree of fixation for the second movable plate 305, and can also provide a certain degree of buffering for the second movable plate 305 to reduce the damage caused by the second movable plate 305 after the collision. A second buffer pad 307 is fixedly connected to the surface of the second movable plate 305. Through the connecting soft rod 306, the second movable plate 305 and the first movable plate 302 are staggered and connected together, thereby reducing the generation of protection loopholes and improving the protection capability of the device. Through the connecting soft rod 306 and the second movable plate 305, protection is provided to the protective outer frame 2 to prevent objects from directly colliding with the protective outer frame 2. Through the second buffer pad 307, buffering is provided to the second movable plate 305 to prevent objects from directly and rigidly colliding with the second movable plate 305, thereby reducing the impact force borne by the second movable plate 305 and improving the protection effect of the device on the arc extinguishing and harmonic elimination cabinet body 1.

[0034] The limit frame 301 is fixedly connected to the protective outer frame 2, and the surface of the first movable plate 302 is fixedly connected with a first buffer pad 303. The first buffer pad 303 provides a buffer for the first movable plate 302 to prevent objects from directly colliding with the first movable plate 302, reduce the impact force borne by the first movable plate 302, and improve the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body 1.

[0035] The first buffer pad 303 and the second buffer pad 307 are both commonly used buffer materials, and the present application will not elaborate on their detailed materials.

[0036] See also Figure 5 A plurality of buffer mechanisms 4 for buffering the first movable plate 302 are arranged inside the limit frame 301. The buffer mechanism 4 includes an arc spring plate 401 and a support slide bar 403. The arc spring plate 401 is supported by the support slide bar 403. The front impact force borne by the first movable plate 302 is dispersed to both sides through the arc spring plate 401, thereby reducing the generation of front impact and improving the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body 1.

[0037] A rubber block 402 is fixedly connected to the middle of the arc spring plate 401, and the rubber block 402 is fixedly connected to the first movable plate 302. Sliding blocks 404 are fixedly connected to both ends of the arc spring plate 401. Both ends of the supporting slide rod 403 pass through the sliding blocks 404 and are fixedly connected to the limit frame 301, and the sliding block 404 is slidably connected to the supporting slide rod 403. The rubber block 402 is used to increase the contact area between the arc spring plate 401 and the first movable plate 302, and a certain deformation is generated after the impact force borne by the first movable plate 302, thereby offsetting part of the impact force and improving the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body 1. The sliding block 404 slides on the supporting slide rod 403 to disperse the lateral impact force borne by the arc spring plate 401 to both sides, thereby reducing the impact force transmitted to the arc extinguishing and harmonic elimination cabinet body 1.

[0038] The surface of the supporting slide rod 403 is slidably connected to two buffer sleeves 405, and both ends of each buffer sleeve 405 are respectively fixedly connected to the adjacent sliding block 404 and the limit frame 301. The impact force borne by the sliding block 404 is eliminated and absorbed by the buffer sleeve 405, and the sliding block 404 is pushed back to its original position after the external force is removed.

[0039] The buffer sleeve 405 is a commonly used shock-absorbing and buffering device, and the present application will not elaborate on its detailed structure and model.

[0040] The interior of the limit frame 301 is fixedly connected to a reinforcement frame 304, and the middle part of the support slide bar 403 is fixedly connected to the reinforcement frame 304. The support slide bar 403 and the limit frame 301 are reinforced by the reinforcement frame 304 to improve the protective effect of the device on the arc extinguishing and harmonic elimination cabinet body 1.

[0041] When the utility model is in use: first, the fixing rod 6 and the extension plate 7 are buried deep into the foundation to improve the gripping force of the fixed bottom plate 5, and the device's ability to withstand impact force is increased; the various structures of the device are fixed by the protective outer frame 2 and the limit frame 301; when an external object collides, the object is firstly buffered and shock-absorbed by the first buffer pad 303; then the first movable plate 302 drives the rubber block 402 to squeeze the arc spring plate 401, so that the arc spring plate 401 is deformed, and the sliding block 404 is driven to slide back and forth on the surface of the supporting slide rod 403, so as to disperse and transfer the front impact force; the impact force borne by the sliding block 404 is eliminated and absorbed by the buffer sleeve 405; through the above device, effective protection is provided for the arc extinguishing and harmonic elimination cabinet, the arc extinguishing and harmonic elimination cabinet is prevented from being directly subjected to the impact of objects, and the stability and safety of the operation of the arc extinguishing and harmonic elimination cabinet are improved.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A protective device for an arc extinguishing and harmonic elimination cabinet, comprising an arc extinguishing and harmonic elimination cabinet body (1) and a protective outer frame (2), characterized in that: The bottom end of the protective outer frame (2) is fixedly connected to a fixed bottom plate (5); the arc extinguishing and harmonic elimination cabinet body (1) is located inside the protective outer frame (2), and the bottom end of the arc extinguishing and harmonic elimination cabinet body (1) is fixedly connected to the fixed bottom plate (5); a plurality of protective mechanisms (3) for protecting the arc extinguishing and harmonic elimination cabinet body (1) are arranged outside the protective outer frame (2); the protective mechanisms (3) include a limit frame (301) and a second movable plate (305); and the first movable plate (302) is slidably connected inside the limit frame (301).

2. A protective device for arc extinguishing and harmonic extinguishing cabinet according to claim 1, characterized in that: A connecting soft rod (306) is fixedly connected to the surface of the second movable plate (305), and two ends of the connecting soft rod (306) are fixedly connected to two adjacent first movable plates (302). A second buffer pad (307) is fixedly connected to the surface of the second movable plate (305).

3. A protective device for arc extinguishing and harmonic extinguishing cabinet according to claim 1, characterized in that: The limit frame (301) is fixedly connected to the protective outer frame (2); a first buffer pad (303) is fixedly connected to the surface of the first movable plate (302); a plurality of buffer mechanisms (4) for buffering the first movable plate (302) are arranged inside the limit frame (301); the buffer mechanisms (4) include an arc-shaped spring plate (401) and a supporting slide rod (403).

4. A protective device for arc extinguishing and harmonic extinguishing cabinet according to claim 3, characterized in that: A rubber block (402) is fixedly connected to the middle of the arc-shaped spring plate (401), and the rubber block (402) is fixedly connected to the first movable plate (302). Sliding blocks (404) are fixedly connected to both ends of the arc-shaped spring plate (401). Both ends of the supporting sliding rod (403) pass through the sliding block (404) and are fixedly connected to the limiting frame (301), and the sliding block (404) is slidably connected to the supporting sliding rod (403).

5. A protective device for arc extinguishing and harmonic extinguishing cabinet according to claim 4, characterized in that: Two buffer sleeves (405) are slidably connected to the surface of the supporting sliding rod (403), and both ends of each buffer sleeve (405) are respectively fixedly connected to an adjacent sliding block (404) and a limiting frame (301).

6. A protective device for arc extinguishing and harmonic extinguishing cabinet according to claim 4, characterized in that: The interior of the limiting frame (301) is fixedly connected to a reinforcement frame (304), and the middle portion of the supporting sliding rod (403) is fixedly connected to the reinforcement frame (304).

7. The protective device for arc extinguishing and harmonic extinguishing cabinet according to claim 1, characterized in that: The bottom surface of the fixed bottom plate (5) is fixedly connected to a fixed rod (6), the surface of the fixed rod (6) is fixedly connected to an extension plate (7), and the top end of the protective outer frame (2) is hingedly connected to a warehouse door (8).

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