Plant lightning arrester for unmanned intelligent operation hydropower station

Abstract

The utility model discloses a workshop lightning arrester for an unmanned intelligent operation hydropower station, which comprises a first lightning arrester, a second lightning arrester and a connecting assembly, the first lightning arrester and the second lightning arrester are both installed on the connecting assembly, and the connecting assembly comprises a first grounding frame and a second grounding frame. Mounting grooves are formed in the surfaces of the first grounding frame and the second grounding frame in a penetrating manner, fasteners are arranged in inner cavities of the mounting grooves in a penetrating manner, movable plates are mounted on the front and rear sides of the first grounding frame and the second grounding frame, through holes are formed in the tops of the surfaces of the movable plates in a penetrating manner, and positioning heads are mounted in inner cavities of the through holes in a penetrating manner. According to the utility model, through the arrangement of the connecting assembly, the lightning arrester has the advantage of convenient combination, different types of first lightning arresters and second lightning arresters can be combined and mounted according to different requirements, and meanwhile, the two movable plates are butted and mounted, so that the convenience and the stability of the whole combination operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of safety equipment, especially relate to a plant lightning protection device for unmanned intelligent operation hydropower station. BACKGROUND

[0002] Unmanned intelligent operation hydropower station is one of the key directions of the development of the hydropower industry in recent years, and its core is to realize unmanned operation or few people's operation of the hydropower station through intelligent technology, so as to improve the operation efficiency, reduce the labor cost, and ensure the safety and stability.

[0003] A large number of electrical equipment is usually installed in the hydropower station plant, and the lightning protection device can effectively lead the lightning current into the ground, so as to protect these electrical equipment from lightning and overvoltage. With the progress and development of science and technology, there are various types of lightning protection equipment. The basic lightning protection device is generally separately arranged. However, due to different requirements for lightning protection performance, or when facing atmospheric overvoltage and induced overvoltage at the same time, it is often necessary to combine and install the lightning protection device, which cannot well meet the various use requirements and has certain limitations. UTILITY MODEL CONTENT

[0004] The utility model discloses a plant lightning protection device for unmanned intelligent operation hydropower station to solve the problem that the basic lightning protection device in the prior art is generally arranged separately, and due to different requirements for lightning protection performance, or when facing atmospheric overvoltage and induced overvoltage at the same time, it is often necessary to combine and install the lightning protection device, which cannot well meet the various use requirements.

[0005] The technical purpose of the utility model is realized through the following technical scheme:

[0006] A plant lightning protection device for unmanned intelligent operation hydropower station, comprising a first lightning arrester, a second lightning arrester and a connecting assembly, the first lightning arrester and the second lightning arrester are both installed on the connecting assembly, the connecting assembly comprises a first grounding rack and a second grounding rack, the surfaces of the first grounding rack and the second grounding rack are both provided with an installation slot, the inner cavity of the installation slot is provided with a fastener, the front and rear sides of the first grounding rack and the second grounding rack are both provided with a movable plate, the top of the surface of the movable plate is provided with a through hole, the inner cavity of the through hole is provided with a positioning head, and a hexagonal rod is installed between the front and rear positioning heads.

[0007] Preferably, the first lightning arrester and the second lightning arrester are respectively fixedly installed on the top of the first grounding rack and the top of the second grounding rack.

[0008] Preferably, the fastener comprises a fastening bolt and a fastening nut, wherein the fastening bolt penetrates the installation slot, and the fastening nut is threadedly sleeved on the fastening bolt.

[0009] Preferably, one side of the first grounding frame is provided with a T-shaped groove, and one side of the second grounding frame is fixedly connected with a T-shaped strip which is matched with the T-shaped groove.

[0010] Preferably, the front surface and the back surface of the first grounding frame and the movable plate are fixedly connected with protrusions, and the movable plate is movably installed on the protrusions.

[0011] Preferably, the top of the surface of the movable plate is provided with a groove, and the number of the through holes is several and the through holes are uniformly distributed in the groove.

[0012] Preferably, one end of the positioning head is provided with a hexagonal groove matched with a hexagonal rod, and the connection between the positioning head and the through hole and the connection between the hexagonal rod and the hexagonal groove are both provided with anti-skid treatment.

[0013] Preferably, the connecting assembly is made of stainless steel material.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model discloses a connecting assembly is arranged, has the advantage that convenient combination can be installed to the combination of different kinds of first lightning arrester and second lightning arrester according to different demands, and two movable plates are docked and installed, and the overall combination operation convenience and stability are improved. DRAWINGS

[0016] Figure 1 It is the utility model structure perspective diagram;

[0017] Figure 2 It is the utility model structure bottom perspective view;

[0018] Figure 3 It is the utility model connecting assembly separation perspective view;

[0019] Figure 4 It is the utility model connecting assembly separation bottom view.

[0020] In the above drawings: 1, first lightning arrester;2, second lightning arrester;3, connecting assembly;301, first grounding frame;302, fastener;303, installation groove;304, T-shaped groove;305, protrusion;306, second grounding frame;307, movable plate;308, groove;309, through hole;310, hexagonal groove;311, hexagonal rod;312, positioning head;313, T-shaped strip. DETAILED DESCRIPTION

[0021] With reference to the drawings and the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0022] As a preferred embodiment of the present application, as shown in Figures 1-4 The present embodiment provides a plant lightning protection device for unmanned intelligent operation of a hydropower station, comprising a first lightning arrester 1, a second lightning arrester 2 and a connecting assembly 3. The first lightning arrester 1 and the second lightning arrester 2 are both mounted on the connecting assembly 3. The connecting assembly 3 comprises a first grounding rack 301 and a second grounding rack 306. The surfaces of the first grounding rack 301 and the second grounding rack 306 are both provided with an installation slot 303. The inner cavity of the installation slot 303 is provided with a fastener 302. By providing the fastener 302, the first grounding rack 301 and the second grounding rack 306 can be stably installed through the installation slot 303. The first grounding rack 301 and the second grounding rack 306 can also be connected with external mounting members to ensure the overall stability of the device. The front and rear sides of the first grounding rack 301 and the second grounding rack 306 are both provided with a movable plate 307. The top surface of the movable plate 307 is provided with a through hole 309. The inner cavity of the through hole 309 is provided with a positioning head 312. By providing the through hole 309 and the positioning head 312, the left and right movable plates 307 can be clamped, and the hexagonal rod 311 can be installed between the front and rear positioning heads 312. By providing the hexagonal slot 310 and the hexagonal rod 311, the positioning and installation effects can be achieved, and the overall stability of the device can be further improved, and the positioning head 312 can be prevented from being separated due to random sliding. The connecting assembly 3 is made of stainless steel material.

[0023] In some embodiments, as shown in Figure 1 and Figure 3 The first lightning arrester 1 and the second lightning arrester 2 are respectively fixedly installed on the top of the first grounding rack 301 and the top of the second grounding rack 306.

[0024] In some embodiments, as shown in Figure 2 and Figure 3 The fastener 302 comprises a fastening bolt and a fastening nut. The fastening bolt penetrates through the installation slot 303, and the fastening nut is threadedly sleeved on the fastening bolt.

[0025] In some embodiments, as shown in Figure 3 and Figure 4As shown, one side of the first grounding rack 301 is provided with a T-shaped groove 304, and one side of the second grounding rack 306 is fixedly connected with a T-shaped strip 313 which is matched with the T-shaped groove 304. By arranging the T-shaped groove 304 and the T-shaped strip 313, the positioning and guiding effects can be achieved, and the first grounding rack 301 and the second grounding rack 306 can be quickly spliced and installed.

[0026] In some embodiments, as shown in Figure 3 As shown, the front surface and the back surface of the first grounding rack 301 and the movable plate 307 are fixedly connected with protrusions 305, and the movable plate 307 is movably installed on the protrusions 305. By arranging the protrusions 305, the bottom end of the movable plate 307 can be positioned and installed.

[0027] In some embodiments, as shown in Figure 3 and Figure 4 As shown, the top of the surface of the movable plate 307 is provided with a groove 308, and a plurality of through holes 309 are uniformly distributed in the groove 308. By arranging the groove 308, the space requirement when the two movable plates 307 are staggered can be met, so that the left and right movable plates 307 are partially overlapped.

[0028] In some embodiments, as shown in Figure 3 As shown, one end of the positioning head 312 is provided with a hexagonal groove 310 matched with the hexagonal rod 311, and the connection between the positioning head 312 and the through hole 309 and the connection between the hexagonal rod 311 and the hexagonal groove 310 are both treated to prevent slipping.

[0029] In actual application, the first grounding rack 301 and the second grounding rack 306 are both well connected with the ground wire for safely guiding the overload current into the ground wire.

[0030] In use, all parts are in the initial state. According to the lightning protection requirements of the hydropower station plant, such as when dealing with atmospheric overvoltage and induced overvoltage at the same time, or in some high-voltage transmission lines or complex electrical systems, the corresponding type of first lightning arrester 1 and second lightning arrester 2 need to be installed in cooperation. At this time, the second grounding rack 306 is moved upward, so that the T-shaped strip 313 slides into the T-shaped groove 304. After the first lightning arrester 1 is displaced to the appropriate height, the movable plate 307 is rotated so that the left and right movable plates 307 are in a partially overlapped state, and the two through holes 309 are in an aligned state. Then, the positioning head 312 is inserted into the through hole 309 to limit the position of the second grounding rack 306, and the hands of the operator can be released. Then, the hexagonal rod 311 is inserted into the hexagonal groove 310, and the other movable plate 307 is repeatedly positioned and connected to ensure the overall stability of the device. Finally, the fastener 302 is moved to penetrate the installation slot 303, and the first grounding rack 301 and the second grounding rack 306 are installed at the appropriate position.

[0031] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A plant lightning protection device for unmanned intelligent operation of hydropower stations, comprising a first lightning arrester (1), a second lightning arrester (2) and a connecting assembly (3), characterized in that: The first lightning arrester (1) and the second lightning arrester (2) are mounted on the connecting assembly (3), the connecting assembly (3) comprises a first grounding rack (301) and a second grounding rack (306), the surfaces of the first grounding rack (301) and the second grounding rack (306) are provided with mounting grooves (303) penetratingly, the inner cavities of the mounting grooves (303) are provided with fasteners (302) penetratingly, the front and rear sides of the first grounding rack (301) and the second grounding rack (306) are mounted with movable plates (307), the top of the surface of the movable plate (307) is provided with through holes (309) penetratingly, the inner cavities of the through holes (309) are provided with positioning heads (312) penetratingly, and a hexagonal rod (311) is mounted between the front and rear positioning heads (312).

2. A powerhouse lightning protection device for unmanned intelligent operation of hydropower stations according to claim 1, characterized in that: The first lightning arrester (1) and the second lightning arrester (2) are fixedly mounted on the top of the first grounding rack (301) and the top of the second grounding rack (306) respectively.

3. A lightning arrester for a power house of an unmanned intelligent hydroelectric power station according to claim 1, characterized in that: The fastener (302) comprises a fastening bolt and a fastening nut, wherein the fastening bolt is mounted penetratingly in the mounting groove (303), and the fastening nut is threadedly sleeved on the fastening bolt.

4. The powerhouse lightning protection device for unmanned intelligent operation of a hydropower station according to claim 1, characterized in that: One side of the first grounding rack (301) is provided with a T-shaped groove (304), one side of the second grounding rack (306) is fixedly connected with a T-shaped strip (313), and the T-shaped strip (313) is matched with the T-shaped groove (304).

5. A lightning arrester for a power house of an unmanned intelligent hydroelectric power station according to claim 1, characterized in that: The front and back surfaces of the first grounding rack (301) and the movable plate (307) are fixedly connected with protrusions (305), and the movable plate (307) is movably mounted on the protrusion (305).

6. A powerhouse lightning arrester for unmanned intelligent operation of hydropower stations according to claim 1, characterized in that: The top of the surface of the movable plate (307) is provided with a groove (308), and the number of the through holes (309) is several and is uniformly distributed in the groove (308).

7. A powerhouse lightning arrester for unmanned intelligent operation of hydropower stations according to claim 1, characterized in that: One end of the positioning head (312) is provided with a hexagonal groove (310) matched with the hexagonal rod (311), and the connection portions of the positioning head (312) and the through hole (309) and the connection portions of the hexagonal rod (311) and the hexagonal groove (310) are provided with anti-skid treatment.

8. A powerhouse lightning protection device for unmanned intelligent operation of hydropower stations according to claim 1, characterized in that: The connecting assembly (3) is made of stainless steel material.

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