Adjustable lightning arrester fixing structure

Abstract

The utility model discloses an adjustable lightning arrester fixing structure, which relates to the technical field of electric power and comprises a lifting plate, two groups of supports are fixedly arranged on two sides of the top of the lifting plate respectively, and each group of supports comprises a first supporting rod, a connecting rod and a second supporting rod. The first supporting rod and the second supporting rod are fixedly arranged at the upper end of the lifting plate, the connecting rod is fixedly arranged between the first supporting rod and the second supporting rod, a rotating plate is rotationally arranged between the two supports through a driving assembly, and a lightning arrester body is installed on the rotating plate through a fixing assembly. According to the utility model, the inclination angle of the rotating plate is adjusted through the driving assembly, so that the lightning arrester main body is driven to rotate to a specified installation angle, and the problem that the installation stability of the lightning arrester main body is reduced due to direct angle adjustment operation on the lightning arrester main body is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power, in particular to an adjustable lightning arrester fixing structure. Background Art

[0002] Lightning arresters are used to protect electrical equipment from high transient overvoltage hazards during lightning strikes, and to limit the follow-on time and often the follow-on amplitude. Lightning arresters are sometimes also called overvoltage protectors and overvoltage limiters. A fixing bracket is required when installing a lightning arrester.

[0003] The existing patent announcement number CN212627083U, entitled A mounting bracket for a high-voltage lightning arrester, proposes that the angle of the lightning arrester body can be adjusted by moving a movable block in an arc-shaped hole; the gears at both ends drive the gear rods at both ends to move vertically by rotating, so that the height of the lightning arrester body can be adjusted.

[0004] However, after long-term outdoor operation of the movable block of announcement number CN212627083U, its fastening strength decreases, resulting in the arrester not being well fixed at the specified angle. In addition, under the action of its own weight, the arrester will also cause the gears to rotate for a long time, thereby changing the installation height of the arrester. Therefore, it is necessary to propose an adjustable arrester fixing structure to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an adjustable lightning arrester fixing structure to solve the problem that the existing lightning arrester fixing structure can adjust the height and rotation angle of the lightning arrester body and has strong applicability, but reduces the installation and fixing stability of the lightning arrester body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable lightning arrester fixing structure, comprising a lifting plate, two groups of brackets are fixedly arranged on both sides of the top of the lifting plate, each group of the brackets comprises a first support rod, a connecting rod and a second support rod, the first support rod and the second support rod are both fixedly arranged at the upper end of the lifting plate, the connecting rod is fixedly arranged between the first support rod and the second support rod, a rotating plate is arranged between the two groups of the brackets through a driving assembly, and the lightning arrester body is installed on the rotating plate through a fixing assembly;

[0007] The driving assembly includes a movable groove, the movable groove is fixedly arranged on the first support rod, a motor is arranged at the end of the movable groove, a screw rod is fixedly connected to the rotating shaft of the motor, a lifting shaft is movably arranged at the outer ring of the screw rod, both ends of the lifting shaft are provided with wire holes, the wire holes and the screw rod are matched, and an adjustment groove is arranged on the rotating plate, and the adjustment groove is adapted to the lifting shaft;

[0008] An adjusting component is arranged at the bottom of the lifting plate.

[0009] Preferably, the fixing assembly includes a fixing hole, a first socket, a connecting flange, a limit seat, a second socket and a first axle pin, the fixing hole and the first socket are both fixedly arranged on the rotating plate, and the fixing hole and the first socket are connected to each other, the limit seat is fixedly arranged at the bottom of the arrester body, the second socket is fixedly arranged on the limit seat, the connecting flange is fixedly arranged at the outer circle of the limit seat, the limit seat and the fixing hole are matched, the first axle pin is movably arranged between the two connecting rods, and the inner walls of the second socket and the first socket are movably fitted with the outer wall of the first axle pin.

[0010] Preferably, the adjustment assembly includes a base, which is fixedly arranged in the middle of the bottom of the lifting plate, and a plurality of third sockets are evenly arranged on the base, a mounting plate is arranged at the outer circle of the base, a socket is arranged in the middle of the mounting plate, the socket and the base are adapted, the base and the mounting plate are fixedly connected by a second axle pin, and the mounting plate is fixedly connected to an external fixing by a first bolt.

[0011] Preferably, a high voltage terminal and a ground terminal are respectively provided at the upper and lower ends of the arrester body, the high voltage terminal is electrically connected to the power system, and the ground terminal is electrically connected to the connecting ground wire.

[0012] Preferably, in the initial position, the lifting shaft and the first shaft pin are at the same height, and the lifting shaft movably fits on the end of the adjustment slot.

[0013] Preferably, when the connecting flange is fixedly connected to the rotating plate by the second bolts, the second insertion hole and the first insertion hole are at the same height and are connected to each other.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The inclination angle of the rotating plate is adjusted by the driving component, thereby driving the arrester body to rotate to the specified installation angle, avoiding direct angle adjustment operation on the arrester body, and reducing the installation stability problem of the arrester body;

[0016] 2. The installation height of the arrester body can be adjusted by installing the fixing components. The operation is simple and convenient. It solves the problem that the gears of the traditional fixing frame rotate under the weight of the arrester, thereby changing the installation height of the arrester.

[0017] 3. There is sufficient operating space at the high-voltage end and the grounding end of the arrester body, which is not restricted by the fixed structure, making it convenient for operators to connect wires and disassemble, repair and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the three-dimensional structure of the adjustable lightning arrester fixing structure of the utility model from a first angle.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the adjustable lightning arrester fixing structure of the utility model from a second angle.

[0020] Figure 3 This is a schematic diagram of the split structure of the adjusting component and the fixing component of the utility model.

[0021] In the figure: 1. lifting plate; 2. first support rod; 3. motor; 4. screw rod; 5. lifting shaft; 6. rotating plate; 7. adjusting slot; 8. fixing hole; 9. first socket; 10. high voltage end; 11. lightning arrester body; 12. connecting flange; 13. limit seat; 14. second socket; 15. grounding terminal; 16. connecting rod; 17. first shaft pin; 18. second support rod; 19. base; 20. third socket; 21. mounting plate; 22. second shaft pin. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-Figure 3 An adjustable lightning arrester fixing structure shown includes a lifting plate 1, two groups of brackets are fixedly arranged on both sides of the top of the lifting plate 1, each group of brackets includes a first support rod 2, a connecting rod 16 and a second support rod 18, the first support rod 2 and the second support rod 18 are fixedly arranged at the upper end of the lifting plate 1, the connecting rod 16 is fixedly arranged between the first support rod 2 and the second support rod 18, a rotating plate 6 is rotatably arranged between the two groups of brackets through a driving assembly, and a lightning arrester body 11 is installed on the rotating plate 6 through a fixing assembly;

[0024] When using the adjustable lightning arrester fixing structure, the lightning arrester body 11 is fixedly installed on the rotating plate 6 through the fixing component, and then the inclination angle of the rotating plate 6 is adjusted by the driving component, thereby driving the lightning arrester body 11 to rotate to the specified installation angle, avoiding direct angle adjustment operation on the lightning arrester body 11, and reducing the installation stability problem of the lightning arrester body 11.

[0025] Further, the fixing assembly includes a fixing hole 8, a first plug hole 9, a connecting flange 12, a limiting seat 13, a second plug hole 14 and a first axle pin 17, the fixing hole 8 and the first plug hole 9 are fixedly arranged on the rotating plate 6, and the fixing hole 8 and the first plug hole 9 are connected to each other, the limiting seat 13 is fixedly arranged at the bottom of the arrester body 11, the second plug hole 14 is fixedly arranged on the limiting seat 13, the connecting flange 12 is fixedly arranged at the outer ring of the limiting seat 13, the limiting seat 13 and the fixing hole 8 are adapted, when the connecting flange 12 is fixedly connected to the rotating plate 6 by the second bolt, the second plug hole 14 and the first plug hole 9 are at the same height and are connected to each other, the first axle pin 17 is movably arranged between the two connecting rods 16, and the inner walls of the second plug hole 14 and the first plug hole 9 are movably fitted with the outer wall of the first axle pin 17;

[0026] Specifically, the limit seat 13 of the lightning arrester body 11 is inserted into the fixing hole 8, and then the connecting flange 12 and the rotating plate 6 are fixedly connected with the second bolt. At this time, the first axle pin 17 is inserted into the connecting rod 16, the first plug hole 9 and the second plug hole 14 in sequence, and the other end of the first axle pin 17 is tightened with a nut. Through the first axle pin 17, the rotating plate 6 can rotate between the two groups of brackets, and the connection strength between the lightning arrester body 11 and the rotating plate 6 is further strengthened, thereby improving the stability of the lightning arrester body 11.

[0027] Further, the driving assembly includes a movable groove, which is fixedly arranged on the first support rod 2, and a motor 3 is arranged at the end of the movable groove, and a screw rod 4 is fixedly connected to the rotating shaft of the motor 3, and a lifting shaft 5 is movably arranged at the outer ring of the screw rod 4, and wire holes are arranged at both ends of the lifting shaft 5, and the wire holes and the screw rod 4 are matched, and an adjustment groove 7 is arranged on the rotating plate 6, and the adjustment groove 7 is adapted to the lifting shaft 5;

[0028] Specifically, by starting the motor 3, the screw rod 4 is driven to rotate, thereby driving the lifting shaft 5 to move up and down. After the lifting shaft 5 moves up and down, the rotating plate 6 is forced to rotate between the two groups of brackets through the adjustment slot 7, thereby facilitating the adjustment of the installation angle of the lightning arrester body 11 and improving the flexibility of the device.

[0029] In order to adjust the installation height of the arrester body 11, an adjustment component is provided at the bottom of the lifting plate 1, and the adjustment component includes a base 19, the base 19 is fixedly arranged in the middle of the bottom of the lifting plate 1, and a plurality of third jacks 20 are evenly arranged on the base 19, a mounting plate 21 is provided at the outer ring of the base 19, and a jack is provided in the middle of the mounting plate 21, and the jack is adapted to the base 19, the base 19 and the mounting plate 21 are fixedly connected by a second shaft pin 22, and the mounting plate 21 is fixedly connected to an external fixture by a first bolt;

[0030] Specifically, after the mounting plate 21 is installed and fixed on an external fixture, the position height of the base 19 on the mounting plate 21 is adjusted, and then the second axle pin 22 is inserted into the third socket 20 on the mounting plate 21 and the base 19, and the other end is tightened with a nut to fix the position height of the base 19, thereby adjusting the installation height of the arrester body 11. The operation is simple and convenient, and solves the problem that the traditional fixing frame causes the gears to rotate under the action of the arrester's own weight, thereby changing the installation height of the arrester.

[0031] Furthermore, a high-voltage terminal 10 and a grounding terminal 15 are respectively provided at the upper and lower ends of the arrester body 11. The high-voltage terminal 10 is electrically connected to the power system, and the grounding terminal 15 is electrically connected to the ground wire. Both the high-voltage terminal 10 and the grounding terminal 15 have sufficient operating space and are not restricted by fixed structures, which is convenient for operators to connect wires and disassemble, repair and replace.

[0032] Furthermore, in the initial position, the lifting shaft 5 and the first shaft pin 17 are at the same height, and the lifting shaft 5 is movably fitted to the end of the adjustment slot 7, ensuring that the arrester body 11 is at a vertical angle at this time.

Claims

1. An adjustable lightning arrester fixing structure, comprising a lifting plate (1), characterized in that: Two groups of brackets are fixedly arranged on both sides of the top of the lifting plate (1), each group of the brackets comprises a first support rod (2), a connecting rod (16) and a second support rod (18), the first support rod (2) and the second support rod (18) are both fixedly arranged at the upper end of the lifting plate (1), the connecting rod (16) is fixedly arranged between the first support rod (2) and the second support rod (18), a rotating plate (6) is rotatably arranged between the two groups of the brackets through a driving assembly, and a lightning arrester body (11) is installed on the rotating plate (6) through a fixing assembly; The driving assembly comprises a movable groove, the movable groove is fixedly arranged on the first support rod (2), a motor (3) is arranged at the end of the movable groove, a screw rod (4) is fixedly connected to the rotating shaft of the motor (3), a lifting shaft (5) is movably arranged at the outer ring of the screw rod (4), both ends of the lifting shaft (5) are provided with thread holes, the thread holes and the screw rod (4) are matched, and an adjustment groove (7) is arranged on the rotating plate (6), and the adjustment groove (7) and the lifting shaft (5) are matched; An adjustment component is provided at the bottom of the lifting plate (1).

2. The adjustable lightning arrester fixing structure according to claim 1, characterized in that: The fixing assembly comprises a fixing hole (8), a first plug hole (9), a connecting flange (12), a limiting seat (13), a second plug hole (14) and a first axle pin (17); the fixing hole (8) and the first plug hole (9) are both fixedly arranged on the rotating plate (6), and the fixing hole (8) and the first plug hole (9) are interconnected; the limiting seat (13) is fixedly arranged at the bottom of the arrester body (11); the second plug hole (14) is fixedly arranged on the limiting seat (13); the connecting flange (12) is fixedly arranged at the outer ring of the limiting seat (13); the limiting seat (13) and the fixing hole (8) are matched; the first axle pin (17) is movably arranged between the two connecting rods (16); the inner walls of the second plug hole (14) and the first plug hole (9) are movably fitted with the outer wall of the first axle pin (17).

3. The adjustable lightning arrester fixing structure according to claim 1, characterized in that: The adjustment assembly comprises a base (19), the base (19) is fixedly arranged in the middle of the bottom of the lifting plate (1), a plurality of third plug holes (20) are evenly arranged on the base (19), a mounting plate (21) is arranged at the outer ring of the base (19), a plug hole is arranged in the middle of the mounting plate (21), the plug hole and the base (19) are matched, the base (19) and the mounting plate (21) are fixedly connected by a second shaft pin (22), and the mounting plate (21) is fixedly connected to an external fixing by a first bolt.

4. The adjustable lightning arrester fixing structure according to claim 2, characterized in that: The upper and lower ends of the arrester body (11) are respectively provided with a high voltage end (10) and a grounding end (15); the high voltage end (10) is electrically connected to the power system, and the grounding end (15) is electrically connected to a connecting ground wire.

5. The adjustable lightning arrester fixing structure according to claim 2, characterized in that: In the initial position, the lifting shaft (5) and the first shaft pin (17) are at the same height, and the lifting shaft (5) is movably fitted on the end of the adjustment slot (7).

6. The adjustable lightning arrester fixing structure according to claim 2, characterized in that: When the connecting flange (12) is fixedly connected to the rotating plate (6) by means of the second bolts, the second inserting hole (14) and the first inserting hole (9) are at the same height and are connected to each other.

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