Flexible connection terminal for lightning arrester

Abstract

The utility model discloses a flexible connecting terminal for a lightning arrester, which comprises a lightning arrester connecting base, the upper surface of the lightning arrester connecting base is connected with two connecting footstands in a welding mode, and two rotating connecting pieces are connected between the two connecting footstands through shaft bolts. A fixed fitting is welded between the upper ends of the two rotary connecting pieces, a conductive soft copper strip piece is arranged between each of the two sides of the fixed fitting and the upper surface of the lightning arrester connecting base, a removable fitting is fixed on the upper surface of the fixed fitting through two groups of bolts, and the removable fitting and the fixed fitting are both of a semicircular structure; the tubular bus is fixed between the removable fitting and the fixed fitting, the tubular bus can be fixed by the fixed fitting and the removable fitting, so that the tubular bus can be conveniently fixed or taken out, the flexible connecting terminal for the lightning arrester is simple in structure and simple and convenient to operate, and the influence of external load can be eliminated by adopting the flexible connecting terminal; and the safety and reliability of long-term operation of the lightning arrester are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of lightning arresters, in particular to a flexible connection terminal for a lightning arrester. Background Technique

[0002] The existing connection terminals adopt hard connections, and the lightning arrester and the connection terminals are subject to large external loads transmitted by the connected equipment. In relevant vibration tests, extreme situations such as terminal fractures have occurred. During the long-term operation of the lightning arrester, safety and reliability need to be ensured. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a flexible connection terminal for a lightning arrester to avoid the lightning arrester and the terminal from being subject to external loads and ensure the safety and reliability of the long-term operation of the lightning arrester, which can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: A flexible connection terminal for a lightning arrester, including a lightning arrester connection base. The upper surface of the lightning arrester connection base is connected with two connection foot seats by welding. Two rotating connectors are connected between the two connection foot seats by shaft bolts. A fixed fitting is welded between the upper ends of the two rotating connectors. A conductive soft copper strip piece is provided between the two sides of the fixed fitting and the upper surface of the lightning arrester connection base. And the upper surface of the fixed fitting is fixed with a removable fitting by two groups of bolts. The removable fitting and the fixed fitting are both semi-circular structures, and a busbar is fixed between the removable fitting and the fixed fitting.

[0005] Further, a fitting reinforcement is welded between the two rotating connectors. A through hole corresponding to the shaft bolt is provided in the middle of the fitting reinforcement, and the connection between the two rotating connectors can be made more firm through the fitting reinforcement.

[0006] Further, the rotatable angle of the rotating connector is 46 degrees, and the connection between the rotating connector and the shaft bolt adopts double holes.

[0007] Further, the conductive soft copper strip piece includes a conductive soft copper strip. Installation plates are fixed at both ends of the conductive soft copper strip. The upper installation plate is fixed with an ear plate by bolts, and the ear plate is welded and fixed to the side surface of the fixed fitting. The lower installation plate is fixed on the upper surface of the lightning arrester connection base by bolts.

[0008] Further, the fixed fitting and the removable fitting are fixed by six bolts, and three bolts are in a group.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the flexible connection terminal can realize the basic functions of structure and electrical connection, and can make pitching and pitching movements within a certain range. The lightning arrester is connected by a conductive soft copper strip to ensure reliable electrical connection. The fixed fitting and the removable fitting can fix the pipe bus, so as to facilitate the fixing or removal of the pipe bus. The lightning arrester uses a flexible connection terminal, which has a simple structure and is easy to operate. By using the flexible connection terminal, the influence of external loads can be eliminated, and the safety and reliability of the long-term operation of the lightning arrester can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the utility model;

[0011] Figure 2 is a schematic side view of the utility model.

[0012] In the figure: 1 lightning arrester connection base, 2 connection footrest, 3 shaft bolt, 4 rotating connector, 5 fixed fitting, 6 conductive soft copper strip, 61 conductive soft copper strip, 62 mounting plate, 63 ear plate, 7 removable fitting, 8 pipe bus, 9 fitting reinforcement. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0013] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0014] Please refer to Figure 1-2, the present utility model provides a technical solution: a flexible connection terminal for a lightning arrester, including a lightning arrester connection base 1. Two connection pedestals 2 are connected to the upper surface of the lightning arrester connection base 1 by welding. Two rotating connectors 4 are connected between the two connection pedestals 2 by a shaft bolt 3. The shaft bolt 3 can be connected to the connection pedestal 2 through a thread pair or a ball and groove fit. A fixing fitting 5 is welded between the upper ends of the two rotating connectors 4. A conductive flexible copper strip part 6 is provided between the two sides of the fixing fitting 5 and the upper surface of the lightning arrester connection base 1. And a removable fitting 7 is fixed on the upper surface of the fixing fitting 5 by two groups of bolts. Both the removable fitting 7 and the fixing fitting 5 are semi-circular structures. A busbar 8 is fixed between the removable fitting 7 and the fixing fitting 5. The rotating connector 4 is connected to the connection pedestal 2 by the shaft bolt 3, so that the device can perform pitching and yawing movements. A fitting strengthening member 9 is welded between the two rotating connectors 4. A through hole corresponding to the shaft bolt 3 is provided in the middle of the fitting strengthening member 9. The connection between the two rotating connectors 4 can be made more firm through the fitting strengthening member 9. The rotatable angle of the rotating connector 4 is 46 degrees. A double-hole is adopted at the connection between the rotating connector 4 and the shaft bolt 3. The conductive flexible copper strip part 6 includes a conductive flexible copper strip 61. Installation plates 62 are fixed at both ends of the conductive flexible copper strip 61. An ear plate 63 is fixed to the upper installation plate 62 by bolts. The ear plate 63 is welded and fixed to the side surface of the fixing fitting 5. The lower installation plate 62 is fixed to the upper surface of the lightning arrester connection base 1 by bolts. The fixing fitting 5 and the removable fitting 7 are fixed by six bolts, and three bolts are in a group. This flexible connection terminal can withstand a horizontal tensile force of not less than 28 kN, a rotational torque of not less than 6.6 kNm, and a flipping torque of not less than 20 kNm. The basic functions of structural and electrical connection can be realized by the flexible connection terminal, and pitching and yawing movements can be performed within a certain range. The lightning arrester is connected through the conductive flexible copper strip part 6 to ensure reliable electrical connection. The busbar 8 can be fixed by the fixing fitting 5 and the removable fitting 7, so as to facilitate the fixing or removal of the busbar 8. This flexible connection terminal for a lightning arrester has a simple structure and is easy to operate. By using the flexible connection terminal, the influence of external loads can be eliminated, and the safety and reliability of the long-term operation of the lightning arrester can be ensured.

[0015] When in use: The basic functions of structural and electrical connection can be realized by the flexible connection terminal, and pitching and yawing movements can be performed within a certain range. The lightning arrester is connected through the conductive flexible copper strip part 6 to ensure reliable electrical connection. The busbar 8 can be fixed by the fixing fitting 5 and the removable fitting 7, so as to facilitate the fixing or removal of the busbar 8. This flexible connection terminal can withstand a horizontal tensile force of not less than 28 kN, a rotational torque of not less than 6.6 kNm, and a flipping torque of not less than 20 kNm.

[0016] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model.

Claims

1. A flexible connection terminal for a lightning arrester, comprising a lightning arrester connection base (1), characterized in that: On the upper surface of the arrester connection base (1), two connection pedestals (2) are connected by welding. Between the two connection pedestals (2), two rotating connectors (4) are connected by a shaft bolt (3). Between the upper ends of the two rotating connectors (4), a fixed fitting (5) is welded. Between the two sides of the fixed fitting (5) and the upper surface of the arrester connection base (1), a conductive flexible copper strip part (6) is provided on each side. And on the upper surface of the fixed fitting (5), a removable fitting (7) is fixed by two groups of bolts. Both the removable fitting (7) and the fixed fitting (5) are semi-circular structures, and a pipe bushing (8) is fixed between the removable fitting (7) and the fixed fitting (5).

2. The flexible connection terminal for a lightning arrester according to claim 1, characterized in that: A fitting reinforcement (9) is welded between the two rotating connectors (4), and a through hole corresponding to the shaft bolt (3) is provided in the middle of the fitting reinforcement (9).

3. The flexible connection terminal for a lightning arrester according to claim 1, characterized in that: The rotatable angle of the rotating connector (4) is 46 degrees, and a double-hole is adopted at the connection between the rotating connector (4) and the shaft bolt (3).

4. The flexible connection terminal for a lightning arrester according to claim 1, wherein: The conductive flexible copper strip part (6) includes a conductive flexible copper strip (61). At both ends of the conductive flexible copper strip (61), mounting plates (62) are fixed. The upper mounting plate (62) is fixed with an ear plate (63) by bolts, and the ear plate (63) is welded and fixed to the side surface of the fixed fitting (5). The lower mounting plate (62) is fixed on the upper surface of the arrester connection base (1) by bolts.

5. The flexible connection terminal for a lightning arrester according to claim 1, characterized in that: Between the fixed fitting (5) and the removable fitting (7), they are fixed by six bolts, and three bolts are in a group.

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