Column type insulator lightning arrester

Abstract

The utility model relates to the technical field of lightning arresters, and particularly discloses a column type insulator lightning arrester which comprises a lightning arrester body, a bearing assembly and an installation assembly, the bearing assembly can support a cable connected to the lightning arrester body and is fixedly connected to the lightning arrester body, and the installation assembly is fixedly connected to the lightning arrester body. The installation assembly is used for installing the lightning arrester body on a telegraph pole, the installation assembly is fixedly connected to the lightning arrester body, the lower pressing plate and the connecting base are each in a long strip shape, and arc-shaped grooves are correspondingly machined in the lower pressing plate and the connecting base, so that the contact area with a cable is increased, the connection stability between the cable and the lightning arrester body is guaranteed, and the lightning arrester body is prevented from being damaged. The cable is prevented from falling off, the eccentric wheel moves to drive the lower pressing plate to press the cable, the cable is convenient to mount and dismount, a plurality of sets of through holes distributed in the fixing plate at equal intervals are formed, a plurality of hoops are convenient to mount, and the connection strength between the whole mechanism and the telegraph pole is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lightning arresters, in particular to a column insulator lightning arrester. Background Technique

[0002] A lightning arrester is a device that prevents electrical equipment in a power system from being damaged by lightning strikes. The lightning arrester is used to protect the insulation of AC power transmission and transformation equipment and is suitable for overvoltage protection of transformers, transmission lines, rotating electrical machines, semiconductor devices, etc. An insulator is a device that is installed between conductors at different potentials or between a conductor and a grounding member and can withstand voltage and mechanical stress.

[0003] Among them, with the progress of technology and the improvement of usage requirements, the combined use of insulators and lightning arresters can achieve various effects. The existing insulator lightning arresters effectively strengthen the lightning protection and switching overvoltage functions of distribution lines. However, in the actual use process, for the connecting piece used to connect the lightning arrester body and the cable, due to the small contact area between the connecting piece and the cable, and the cable will shake under the influence of wind, there is a risk that the cable will fall off from the lightning arrester body. For this reason, we propose a column insulator lightning arrester. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a column insulator lightning arrester to solve the problem that due to the small contact area between the connecting piece and the cable, and the cable will shake under the influence of wind, there is a risk that the cable will fall off from the lightning arrester body as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A column insulator lightning arrester, including a lightning arrester body, a bearing assembly, the bearing assembly can support the cable connected to the lightning arrester body, the bearing assembly is fixedly connected to the lightning arrester body, an installation assembly, the installation assembly is used to install the lightning arrester body on a telegraph pole, and the installation assembly is fixedly connected to the lightning arrester body;

[0006] The bearing assembly includes an upper fitting, the upper fitting is fixedly connected to the lightning arrester body, a connecting seat is fixedly connected in the upper fitting, an installation frame is fixedly connected to the connecting seat, a rotating shaft is rotatably connected in the installation frame, an eccentric wheel is fixedly connected to the rotating shaft, a positioning pin is threadedly connected in the installation frame, the positioning pin is threadedly connected to the rotating shaft, and a lower pressing plate is arranged on the connecting seat.

[0007] Preferably, a support frame is sleeved in the connecting seat, a bolt is installed in the support frame, the support frame is connected to the connecting seat through the bolt, a rotating shaft is rotatably connected in the support frame, and a bearing wheel is fixedly connected to the rotating shaft.

[0008] Preferably, a guiding rod is fixedly connected to the lower pressing plate, and the guiding rod is sleeved and connected with the connecting seat.

[0009] Preferably, an elastic member is arranged on the guiding rod, and the elastic member is sleeved inside the connecting seat.

[0010] Preferably, the mounting assembly includes a lower fitting, the lower fitting is fixedly connected to the arrester body, a fixing sleeve is fixedly connected to the lower fitting, a fixing plate is fixedly connected to the fixing sleeve, a screw rod is sleeved in the fixing plate, a nut is threadedly connected to one end of the screw rod, and a clamp is fixedly connected to the other end of the screw rod.

[0011] Preferably, a reinforcing rib is fixedly connected to the fixing sleeve, and the reinforcing rib is fixedly connected to the fixing plate.

[0012] Preferably, a V-shaped groove is formed in the fixing plate.

[0013] Preferably, an insulating core rod is fixedly connected to the arrester body, a resistor chip is fixedly connected to the insulating core rod, and the resistor chip is fixedly connected to the arrester body.

[0014] The utility model has at least the following beneficial effects:

[0015] The utility model can support the cable connected to the arrester body through the bearing assembly, and install the arrester body on the telegraph pole through the mounting assembly. In the bearing assembly, an arc-shaped groove is formed in the connecting seat, the rotating shaft is arranged to drive the eccentric wheel to move, the eccentric wheel is used to press the using position of the lower pressing plate, the positioning pin is arranged to fix the position of the rotating shaft in the mounting frame, an arc-shaped groove is formed in the lower pressing plate, the cable is passed through the grooves of the lower pressing plate and the connecting seat, then the rotating shaft is rotated in the mounting frame to drive the eccentric wheel to press against the lower pressing plate. Both the lower pressing plate and the connecting seat are strip-shaped, and arc-shaped grooves are correspondingly machined in the lower pressing plate and the connecting seat to increase the contact area with the cable, ensure the connection stability between the cable and the arrester body, prevent the cable from falling off, drive the lower pressing plate to press the cable by the movement of the eccentric wheel, facilitate the installation and disassembly of the cable, and through the arrangement of multiple groups of equidistantly distributed through holes in the fixing plate, it is convenient to install multiple clamps to ensure the connection strength between the overall mechanism and the telegraph pole. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a partial cross-sectional view of the arrester body in the utility model.

[0018] Figure 3 It is a schematic diagram of the structures of the lower pressing plate, the connecting seat and the mounting frame in the utility model.

[0019] Figure 4 This is a schematic structural diagram of the rotating shaft and the eccentric wheel in the present utility model.

[0020] Figure 5 This is a schematic structural diagram of the support frame, the carrier wheel and the bolt in the present utility model.

[0021] Figure 6 This is a schematic structural diagram of the fixing plate, the screw rod and the clamp in the present utility model.

[0022] In the figure: 1 - load-bearing assembly; 2 - mounting assembly; 3 - arrester body; 4 - upper fitting; 5 - connecting seat; 6 - mounting frame; 7 - rotating shaft; 8 - eccentric wheel; 9 - positioning pin; 10 - lower pressing plate; 11 - support frame; 12 - bolt; 13 - rotating shaft; 14 - carrier wheel; 15 - guiding rod; 16 - elastic member; 17 - lower fitting; 18 - fixing sleeve; 19 - fixing plate; 20 - screw rod; 21 - nut; 22 - clamp; 23 - reinforcing rib; 24 - V-shaped groove; 25 - insulating core rod; 26 - resistor chip. Specific embodiments

[0023] 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 in 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.

[0024] Embodiment 1: Please refer to Figures 1-6 , the present utility model provides a technical solution for a post insulator arrester: a post insulator arrester, including an arrester body 3, a load-bearing assembly 1, the load-bearing assembly 1 can support the cable connected to the arrester body 3, the load-bearing assembly 1 is fixedly connected to the mounting assembly 2 on the arrester body 3, and the mounting assembly 2 is used to mount the arrester body 3 on the telegraph pole, and the mounting assembly 2 is fixedly connected to the arrester body 3;

[0025] The carrier component 1 includes an upper fitting 4, the upper fitting 4 is fixedly connected to the arrester body 3, a connecting seat 5 is fixedly connected in the upper fitting 4, a mounting bracket 6 is fixedly connected to the connecting seat 5, a rotating shaft 7 is rotatably connected in the mounting bracket 6, an eccentric wheel 8 is fixedly connected to the rotating shaft 7, a positioning pin 9 is threadedly connected in the mounting bracket 6, the positioning pin 9 is threadedly connected to the rotating shaft 7, a lower pressing plate 10 is arranged on the connecting seat 5, the upper fitting 4 is a component of the arrester body 3, the connecting seat 5 and the upper fitting 4 are integrally formed, and an arc-shaped groove is formed in the connecting seat 5. There are two mounting brackets 6, and the rotating shaft 7 rotates in the mounting bracket 6 through a bearing. The rotating shaft 7 is arranged to drive the eccentric wheel 8 to move. The outer wall of the positioning pin 9 is processed with threads. The positioning pin 9 is arranged to fix the position of the rotating shaft 7 in the mounting bracket 6. An arc-shaped groove is formed in the lower pressing plate 10. When the cable needs to be installed on the arrester body 3, the cable is passed through the grooves of the lower pressing plate 10 and the connecting seat 5, and then the rotating shaft 7 is rotated in the mounting bracket 6. The rotating shaft 7 drives the eccentric wheel 8 to press against the lower pressing plate 10 and push the lower pressing plate 10 to move downward. After using the positioning pin 9 to fix the position of the rotating shaft 7, the lower pressing plate 10 fixes the cable. In this embodiment, both the lower pressing plate 10 and the connecting seat 5 are strip-shaped, and arc-shaped grooves are correspondingly processed in the lower pressing plate 10 and the connecting seat 5 to increase the contact area with the cable, ensure the connection stability between the cable and the arrester body 3, prevent the cable from falling off, and use the movement of the eccentric wheel 8 to drive the lower pressing plate 10 to press the cable, which is convenient for the installation and disassembly of the cable.

[0026] A support frame 11 is sleeved in the connecting seat 5, a bolt 12 is installed in the support frame 11, the support frame 11 is connected to the connecting seat 5 through the bolt 12, a rotating shaft 13 is rotatably connected in the support frame 11, a carrier wheel 14 is fixedly connected to the rotating shaft 13, the bolt 12 fixes the support frame 11 at the tail of the connecting seat 5, and the carrier wheel 14 rotates in the support frame 11 through the rotating shaft 13. When the cable is inserted into the connecting seat 5, the design of the carrier wheel 14 carries the cable, and the rotation of the carrier wheel 14 facilitates the lateral movement of the cable.

[0027] A guiding rod 15 is fixedly connected in the lower pressing plate 10, the guiding rod 15 is sleeved and connected to the connecting seat 5, and four guiding rods 15 can be inserted into the connecting seat 5. The guiding rod 15 is arranged to ensure the vertical movement of the lower pressing plate 10.

[0028] An elastic member 16 is arranged on the guiding rod 15, the elastic member 16 is sleeved inside the connecting seat 5, the elastic member 16 is a compression spring, the elastic member 16 is located in the connecting seat 5, and the use of the elastic member 16 facilitates driving the lower pressing plate 10 to move upward through the guiding rod 15.

[0029] Embodiment 2: The installation component 2 includes a lower fitting 17, the lower fitting 17 is fixedly connected to the arrester body 3, a fixing sleeve 18 is fixedly connected to the lower fitting 17, a fixing plate 19 is fixedly connected to the fixing sleeve 18, a screw rod 20 is sleeved in the fixing plate 19, a nut 21 is threadedly connected to one end of the screw rod 20, and a clamp 22 is fixedly connected to the other end of the screw rod 20. According to the above embodiment, the lower fitting 17 is a component of the arrester body 3, the fixing sleeve 18 is located at the central position of the fixing plate 19, and a plurality of through holes are equidistantly formed in the fixing plate 19. The screw rod 20 is used to adjust the use position of the clamp 22. When installing the overall mechanism, the fixing plate 19 is placed on the outer wall of the utility pole, then the screw rod 20 is connected to the fixing plate 19, the clamp 22 is placed on the other side of the utility pole, and the nut 21 is used to determine the use position of the screw rod 20, thereby fixing the overall mechanism on the utility pole. Through the arrangement of multiple groups of equidistantly distributed through holes in the fixing plate 19, it is convenient to install multiple clamps 22, ensuring the connection strength between the overall mechanism and the utility pole. By changing the position of the screw rod 20 in the fixing plate 19, the adaptability between the installation component 2 and utility poles of different sizes is increased.

[0030] A reinforcing rib 23 is fixedly connected to the fixing sleeve 18, and the reinforcing rib 23 is fixedly connected to the fixing plate 19. The design of the four reinforcing ribs 23 increases the connection strength between the fixing sleeve 18 and the fixing plate 19.

[0031] A V-shaped groove 24 is formed in the fixing plate 19. The setting of the V-shaped groove 24 facilitates the connection between the fixing plate 19 and the installation part with edges and corners.

[0032] An insulating core rod 25 is fixedly connected to the arrester body 3, a resistor chip 26 is fixedly connected to the insulating core rod 25, and the resistor chip 26 is fixedly connected to the arrester body 3. The insulating core rod 25 and the resistor chip 26 are components of the arrester body 3. The arrester body 3 is a well-known technology to those skilled in the art and will not be elaborated.

Claims

1. A column insulator lightning arrester, comprising a lightning arrester body (3), characterized in that: A bearing assembly (1) that can support the cables connected to the lightning arrester body (3), and the bearing assembly (1) is fixedly connected to the lightning arrester body (3); An installation assembly (2) for installing the lightning arrester body (3) on a utility pole, and the installation assembly (2) is fixedly connected to the lightning arrester body (3); The bearing assembly (1) includes an upper fitting (4) fixedly connected to the lightning arrester body (3). A connection seat (5) is fixedly connected in the upper fitting (4). An installation frame (6) is fixedly connected to the connection seat (5). A rotating shaft (7) is rotatably connected in the installation frame (6). An eccentric wheel (8) is fixedly connected to the rotating shaft (7). A positioning pin (9) is threadedly connected in the installation frame (6), and the positioning pin (9) is threadedly connected to the rotating shaft (7). A lower pressing plate (10) is arranged on the connection seat (5).

2. The column insulator lightning arrester according to claim 1, characterized in that: A support frame (11) is sleeved in the connection seat (5). A bolt (12) is installed in the support frame (11), and the support frame (11) is connected to the connection seat (5) through the bolt (12). A rotating shaft (13) is rotatably connected in the support frame (11), and a bearing wheel (14) is fixedly connected to the rotating shaft (13).

3. The column insulator lightning arrester according to claim 1, characterized in that: A guiding rod (15) is fixedly connected in the lower pressing plate (10), and the guiding rod (15) is sleeved and connected to the connection seat (5).

4. The column insulator lightning arrester according to claim 3, characterized in that: An elastic member (16) is arranged on the guiding rod (15), and the elastic member (16) is sleeved inside the connection seat (5).

5. A column insulator lightning arrester according to claim 1, characterized in that: The installation assembly (2) includes a lower fitting (17) fixedly connected to the lightning arrester body (3). A fixed sleeve (18) is fixedly connected to the lower fitting (17). A fixing plate (19) is fixedly connected to the fixed sleeve (18). A screw rod (20) is sleeved in the fixing plate (19). A nut (21) is threadedly connected to one end of the screw rod (20), and a clamp (22) is fixedly connected to the other end of the screw rod (20).

6. The column insulator lightning arrester according to claim 5, characterized in that: A reinforcing rib (23) is fixedly connected to the fixed sleeve (18), and the reinforcing rib (23) is fixedly connected to the fixing plate (19).

7. The column insulator lightning arrester according to claim 5, characterized in that: A V-shaped groove (24) is formed in the fixing plate (19).

8. The column insulator lightning arrester according to claim 1, characterized in that: An insulating core rod (25) is fixedly connected in the lightning arrester body (3), and a resistor sheet (26) is fixedly connected to the insulating core rod (25), and the resistor sheet (26) is fixedly connected to the lightning arrester body (3).

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