Lightning protection device for overhead line

Abstract

The utility model discloses a lightning protection device for an overhead line, which comprises a box body, the interior of the box body is hollow, the middle part of the top end of the box body is provided with a through groove in a penetrating manner, the bottom end of the interior of the box body is provided with a wiring mechanism, the bottom end of the interior of the box body is also fixedly connected with a fixed plate, the interior of the fixed plate is rotatably connected with a rotating rod, and the rotating rod is fixedly connected with the box body. And a driving motor is mounted on the back of the fixed plate. According to the utility model, during thunder, one group of lightning rods can be rotated upwards, and a grounding wire is connected to the group of lightning rods through the wiring mechanism, so that lightning protection is realized, and when thunder is not carried out, the two groups of lightning rods can be synchronously accommodated in the box body, so that the lightning rods are protected, and due to the arrangement of the two groups of lightning rods, the lightning rods can be prevented from being damaged during thunder. And if one group of lightning rods is damaged, the other group of lightning rods can be immediately and remotely turned up and connected with the grounding wire for continuous use, so that the requirements of workers are met.

Description

Technical Field

[0001] The utility model relates to the technical field of power systems, in particular to a lightning protection device for overhead lines. Background Art

[0002] Overhead lines are an important part of the power system. With the development of the power system, the number of overhead line erection projects has gradually increased, and the number of accidents caused by lightning strikes on overhead lines has also increased, which not only affects the normal operation of equipment, but also greatly affects daily production and life.

[0003] A Chinese patent discloses a lightning protection device CN202321454118.2 for overhead lines. When the weather forecast predicts thunder, the lightning rod is raised to the outside of the box in advance through remote control of the driving motor. When there is no thunder, the lightning rod is lowered and stored in the box to prevent the lightning rod from being damaged by prolonged exposure to the air, thereby effectively increasing the service life of the lightning rod.

[0004] However, in the above patent, if the lightning rod is damaged when there is lightning, it is still inconvenient to remotely replace a new lightning rod, which is difficult to meet the needs of the staff and reduces the practicality of the device. Utility Model Content

[0005] In order to solve the above technical problems, a lightning protection device for overhead lines is provided. This technical solution solves the problem in the above patent proposed in the above background technology that if the lightning rod is damaged when there is lightning, it is still inconvenient to remotely replace the new lightning rod, which is difficult to meet the needs of the staff.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A lightning protection device for an overhead line comprises a box body, which is hollow inside, a through groove is formed through the middle of the top of the box body, a wiring mechanism is installed at the bottom end of the box body, a fixing plate is fixedly connected to the bottom end of the box body, a rotating rod is rotatably connected to the inside of the fixing plate, a driving motor is installed at the back of the fixing plate, one end of the rotating rod is fixedly connected to the output end of the driving motor, and a mounting block is fixedly installed at the other end of the rotating rod, a notch is formed through the side of the mounting block, and two groups of lightning rods are detachably connected to the mounting block, and a second threaded hole is formed at one end of the lightning rod.

[0008] Preferably, the wiring mechanism includes a fixed block, and two groups of fixed blocks are fixedly connected on the left and right sides of the inside of the box body, a screw rod is rotatably connected between the two groups of fixed blocks on the left side, the outer surface of the screw rod is threadedly connected to a lifting plate, the inside of the lifting plate is rotatably connected to a joint, the inside of the joint is rotatably connected to a grounding wire, one end of the screw rod is fixedly connected to the output end of the stepper motor, and the stepper motor is fixedly installed at the bottom end of one of the groups of fixed blocks.

[0009] Preferably, a guide rod is fixedly installed between the two groups of fixing blocks on the right side, and the lifting plate is slidably connected to the outer surface of the guide rod.

[0010] Preferably, a driven wheel is fixedly mounted on the bottom end of the outer surface of the joint, and the bottom end of the lifting plate is also rotatably connected to a driving wheel, the driving wheel is transmission-connected to the driven wheel via a belt, and the middle part of the top end of the driving wheel is fixedly connected to the output end of a servo motor, and the servo motor is fixedly mounted on the top end of the lifting plate.

[0011] Preferably, the outer diameter of the joint is smaller than the inner diameter of the slot.

[0012] Preferably, a T-slot is provided on the outer side of the box body, two groups of T-blocks are slidably connected inside the T-slot, clamps are fixedly connected to the outer sides of the two groups of T-blocks, and first threaded holes are penetrated through the two groups of clamps.

[0013] Compared with the prior art, the utility model provides a lightning protection device for overhead lines, which has the following beneficial effects:

[0014] When thunder strikes, the utility model can rotate one group of lightning rods upward, and connect the grounding wire to the group of lightning rods through the wiring mechanism, thereby realizing lightning protection; and when there is no thunder, the two groups of lightning rods can be synchronously stored inside the box, thereby protecting the lightning rods. Moreover, because two groups of lightning rods are provided, the purpose is that when thunder strikes, if any group of lightning rods is damaged, the other group of lightning rods can be immediately and remotely rotated upward and connected with the grounding wire for continued use, thereby meeting the needs of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the installation block in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the lightning rod in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the wiring mechanism in the utility model.

[0020] The numbers in the figure are:

[0021] 1. Box body; 101. Through slot; 102. T-slot; 103. T-block; 104. Clamp; 105. First threaded hole; 106. Fixing plate; 107. Driving motor; 108. Rotating rod; 109. Mounting block; 110. Notch; 111. Lightning rod; 112. Second threaded hole; 2. Wiring mechanism; 201. Fixing block; 202. Screw rod; 203. Guide rod; 204. Stepping motor; 205. Lifting plate; 206. Joint; 207. Driven wheel; 208. Driving wheel; 209. Belt; 210. Servo motor; 211. Grounding wire. DETAILED DESCRIPTION

[0022] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0023] Example 1

[0024] Please refer to Figure 1-5 As shown, a lightning protection device for an overhead line includes a box body 1, which is hollow inside. A through groove 101 is opened through the middle of the top of the box body 1, a wiring mechanism 2 is installed at the bottom end of the box body 1, a fixing plate 106 is fixedly connected to the bottom end of the box body 1, a rotating rod 108 is rotatably connected to the inside of the fixing plate 106, a driving motor 107 is installed on the back of the fixing plate 106, one end of the rotating rod 108 is fixedly connected to the output end of the driving motor 107, and a mounting block 109 is fixedly installed on the other end of the rotating rod 108, a notch 110 is opened through the side of the mounting block 109, and two groups of lightning rods 111 are detachably connected to the mounting block 109, and a second threaded hole 112 is opened at one end of the lightning rod 111.

[0025] Please refer to Figure 1 As shown, a T-slot 102 is provided on the outer side of the box body 1, two groups of T-blocks 103 are slidably connected inside the T-slot 102, and clamping members 104 are fixedly connected to the outer sides of the two groups of T-blocks 103, and first threaded holes 105 are penetrated through the two groups of clamping members 104.

[0026] In this solution, by sliding two groups of clamping members 104 and with the cooperation of the first threaded hole 105 and the bolt, the device can be fixedly installed on the electric pole, and the rotating rod 108 is driven to rotate by the output end of the driving motor 107, so that the mounting block 109 and the two groups of lightning rods 111 rotate synchronously. When thunder strikes, one group of lightning rods 111 is turned up, and the grounding wire 211 is connected to this group of lightning rods 111 through the wiring mechanism 2. When there is no thunder, the two groups of lightning rods 111 can also be synchronously stored inside the box 1. Because two groups of lightning rods 111 are set up, the purpose is that when thunder strikes, if any group of lightning rods 111 is damaged, the other group of lightning rods 111 can be immediately turned up remotely and the grounding wire 211 is connected for continued use, thereby meeting the needs of the staff.

[0027] Example 2

[0028] Please refer to Figure 5 As shown, the wiring mechanism 2 includes a fixed block 201, and two groups of fixed blocks 201 are fixedly connected on the left and right sides of the box body 1. A screw rod 202 is rotatably connected between the two groups of fixed blocks 201 on the left side, and a lifting plate 205 is threadedly connected to the outer surface of the screw rod 202. The lifting plate 205 is internally rotatably connected to a joint 206, and the joint 206 is internally rotatably connected to a grounding wire 211. One end of the screw rod 202 is fixedly connected to the output end of the stepper motor 204, and the stepper motor 204 is fixedly installed at the bottom end of one of the groups of fixed blocks 201.

[0029] Please refer to Figure 5 As shown, a guide rod 203 is fixedly installed between the two groups of fixing blocks 201 on the right side, and a lifting plate 205 is slidably connected to the outer surface of the guide rod 203 .

[0030] Please refer to Figure 5 As shown, a driven wheel 207 is fixedly installed at the bottom end of the outer surface of the joint 206, and a driving wheel 208 is also rotatably connected to the bottom end of the lifting plate 205. The driving wheel 208 is transmission-connected to the driven wheel 207 via a belt 209, and the middle of the top end of the driving wheel 208 is fixedly connected to the output end of the servo motor 210, and the servo motor 210 is fixedly installed at the top end of the lifting plate 205.

[0031] Please refer to Figure 3 and Figure 5 As shown, the outer diameter of the connector 206 is smaller than the inner diameter of the slot 110 .

[0032] In this scheme, the principle of the wiring mechanism 2 is as follows: after the lightning rod 111 is turned up, it is kept in a vertical state, and the output end of the stepper motor 204 drives the screw rod 202 to rotate, so that the lifting plate 205 moves upward, driving the joint 206 to move upward, so that one end of the joint 206 rotates the slot 110, and at the same time, the output end of the servo motor 210 drives the driving wheel 208 to rotate, and under the drive of the belt 209, the driven wheel 207 and the joint 206 rotate synchronously as a whole, so that the joint 206 can be screwed into the second threaded hole 112 on the lightning rod 111, thereby connecting the lightning rod 111 with the grounding wire 211.

[0033] Working principle and use process of the utility model: When the utility model is used, by sliding two groups of clamping parts 104, and with the cooperation of the first threaded hole 105 and the bolt, the device is fixedly installed on the electric pole, and the rotating rod 108 is driven to rotate by the output end of the driving motor 107, so that the mounting block 109 and the two groups of lightning rods 111 rotate synchronously. When thunder strikes, one group of lightning rods 111 is turned up, and the grounding wire 211 is connected to this group of lightning rods 111 through the wiring mechanism 2. When there is no thunder, the two groups of lightning rods 111 can also be synchronously stored in the box 1. Because two groups of lightning rods 111 are set, the purpose is that when thunder strikes, if any group of lightning rods 111 is damaged, the other group of lightning rods 111 can be immediately and remotely turned up and connected to the grounding wire 211 for continued use, which meets the needs of the staff.

[0034] The above shows and describes the basic principle, main features and 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 the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements 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 lightning protection device for an overhead line, characterized in that: The invention comprises a box body (1), wherein the box body (1) is hollow inside, a through groove (101) is provided through the middle of the top of the box body (1), a wiring mechanism (2) is installed at the bottom of the box body (1), a fixing plate (106) is fixedly connected to the bottom of the box body (1), a rotating rod (108) is rotatably connected to the inside of the fixing plate (106), a driving motor (107) is installed on the back of the fixing plate (106), one end of the rotating rod (108) is fixedly connected to the output end of the driving motor (107), and a mounting block (109) is fixedly installed on the other end of the rotating rod (108), a notch (110) is provided through the side of the mounting block (109), and two groups of lightning rods (111) are detachably connected to the mounting block (109), and a second threaded hole (112) is provided at one end of the lightning rod (111).

2. The lightning protection device for overhead lines according to claim 1, characterized in that: The wiring mechanism (2) comprises a fixed block (201), two groups of fixed blocks (201) are fixedly connected on both left and right sides of the box body (1), a screw rod (202) is rotatably connected between the two groups of fixed blocks (201) on the left side, a lifting plate (205) is threadedly connected to the outer surface of the screw rod (202), a joint (206) is rotatably connected inside the lifting plate (205), a grounding wire (211) is rotatably connected inside the joint (206), one end of the screw rod (202) is fixedly connected to the output end of a stepping motor (204), and the stepping motor (204) is fixedly installed at the bottom end of one of the groups of fixed blocks (201).

3. The lightning protection device for overhead lines according to claim 2, characterized in that: A guide rod (203) is fixedly installed between the two groups of fixed blocks (201) on the right side, and the lifting plate (205) is slidably connected to the outer surface of the guide rod (203).

4. The lightning protection device for overhead lines according to claim 2, characterized in that: A driven wheel (207) is fixedly mounted on the bottom end of the outer surface of the joint (206), and a driving wheel (208) is also rotatably connected to the bottom end of the lifting plate (205). The driving wheel (208) is transmission-connected to the driven wheel (207) via a belt (209), and the middle of the top end of the driving wheel (208) is fixedly connected to the output end of a servo motor (210), and the servo motor (210) is fixedly mounted on the top end of the lifting plate (205).

5. The lightning protection device for overhead lines according to claim 2, characterized in that: The outer diameter of the joint (206) is smaller than the inner diameter of the slot (110).

6. The lightning protection device for overhead lines according to claim 1, characterized in that: The outer side of the box body (1) is provided with a T-shaped slot (102), the interior of the T-shaped slot (102) is slidably connected with two groups of T-shaped blocks (103), the outer sides of the two groups of T-shaped blocks (103) are fixedly connected with clamping members (104), and the two groups of clamping members (104) are penetrated by first threaded holes (105).

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