Lightning arrester on-line monitoring and verifying device

Abstract

The utility model provides a lightning arrester on-line monitoring verification device, relates to the lightning arrester monitoring technology field, and comprises a lightning arrester detector, the lightning arrester detector is provided with a protection assembly, the rear surface of the lightning arrester detector is provided with a chassis, the rear surface of the chassis is fixedly provided with a connecting rod, the connecting rod is provided with an installation clamping plate, and the installation clamping plate is provided with a clamping groove. According to the utility model, the baffle disc is arranged on the surface of the ring disc, so that glass on the surface of the front end of the lightning arrester detector can be protected, the lightning arrester detector can be protected by arranging the mounting sleeve, the sleeve rod and the guide rod on the side surface of the lightning arrester detector, and a worker pulls the pull rod outwards, so that the baffle disc can be pulled outwards at the moment, and the lightning arrester detector is prevented from being damaged. The baffle disc is separated from the surface of the ring disc, the instrument panel of the lightning arrester detector is exposed, the guide rod can be reset through the reset spring, the baffle disc is reset to the surface of the ring disc, and the instrument panel of the lightning arrester detector is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the lightning arrester monitoring technical field, specifically, relate to a lightning arrester on -line monitoring calibration device. BACKGROUND

[0002] Lightning arrester on -line monitor (also called lightning arrester leakage current and action recorder), it is the instrument that is used with zinc oxide lightning arrester in high voltage alternating -current power system, this instrument is connected in series in lightning arrester ground loop. The milliammeter in monitor is used to monitor the leakage current (peak value) through lightning arrester under operating voltage, can judge whether the inside of lightning arrester is damp, element is abnormal or the like condition;The pollution table is used to monitor the size of the pollution current (that is the size of pollution) outside the porcelain cover of lightning arrester;The action counter records the overvoltage action times of lightning arrester, such as patent application number CN202011149939.6 a lightning arrester on -line monitor, it includes shell, electronic component, insulating cylinder, high -voltage wiring terminal and ground terminal, is provided with containing cavity in the shell, electronic component is set up in containing cavity, insulating cylinder is set up at the side of shell, high -voltage lead wire is threaded through the insulating cylinder, high -voltage wiring terminal is set up at the bottom of shell, is used to connect high -voltage lead wire and electronic component, ground terminal is set up at the bottom of shell, is used to make shell ground. The lightning arrester on -line monitor can guarantee lightning arrester on -line monitor when developing lightning arrester live test, since high -voltage wiring terminal is set up at the bottom of shell, test personnel and lightning arrester top can guarantee the safety distance, and ground terminal can guarantee shell ground, thereby shielding electric field, test clamp only needs to reach the high -voltage wiring terminal at the bottom, the position where it is located does not exist high -voltage electric field, thereby avoiding the risk of personal electric shock caused by test clamp tip discharge, in the above technical scheme, the instrument panel of lightning arrester on -line monitor is exposed for a long time, the surface of instrument panel is vulnerable to damage, which affects the service life of lightning arrester on -line monitor. SUMMARY

[0003] The main purpose of the present utility model is to provide a lightning arrester on -line monitoring calibration device, which can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present utility model is as follows: a lightning arrester on -line monitoring calibration device, comprising a lightning arrester detector, a protection assembly is provided on the lightning arrester detector, a chassis is installed on the rear surface of the lightning arrester detector, a connecting rod is fixedly installed on the rear surface of the chassis, and a mounting clamping plate is provided on the connecting rod.

[0005] Preferably, positioning support plates are fixedly installed on both sides of the surface of the lightning arrester chassis, and positioning holes are formed through the positioning support plates.

[0006] As preferred, the protection assembly comprises a plurality of mounting sleeves and a ring disc, the mounting sleeves are equidistantly fixedly installed on the front surface of the base plate, and the ring disc is fixedly installed on the circumferential surface of the lightning arrester detector.

[0007] As preferred, a sleeve rod is slidingly installed in each of the mounting sleeves, and a plurality of sliding rings are fixedly installed at the top ends of the sleeve rods.

[0008] As preferred, two guide rods are equidistantly fixedly installed on the front surface of the sliding ring, the guide rods slidingly penetrate the ring disc, a plurality of reset springs are equidistantly fixedly installed on the front surface of the sliding ring, and the top ends of the reset springs are arranged on the surface of the ring disc.

[0009] As preferred, mounting blocks are fixedly installed at the top ends of the guide rods, rotating shafts are rotatably installed on the side of the mounting blocks that are close to each other, a baffle disc is installed between the rotating shafts, and a pull rod is fixedly installed on the front surface of the baffle disc.

[0010] As preferred, a sealing groove is arranged on the front surface of the ring disc, a sealing ring is fixedly installed on the rear surface of the baffle disc, and the sealing ring is arranged in the sealing groove.

[0011] Compared with the prior art, the device has the following beneficial effects:

[0012] (1) The baffle disc is arranged on the surface of the ring disc, so that the glass on the front end surface of the lightning arrester detector is protected, the mounting sleeves, the sleeve rods and the guide rods are arranged on the side surface of the lightning arrester detector, so that the lightning arrester detector is protected, when it is necessary to observe the lightning arrester detector, the pull rod is pulled outward by the staff, at this time, the baffle disc is pulled outward and separated from the surface of the ring disc, at this time, the staff turns the baffle disc to expose the instrument panel of the lightning arrester detector, so that the numbers on the instrument panel of the lightning arrester detector are observed, and the reset spring can reset the guide rod and reset the baffle disc to the surface of the ring disc, so that the instrument panel of the lightning arrester detector is protected. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the lightning arrester online monitoring and verifying device.

[0014] Figure 2 It is a whole side view structural schematic view of the lightning arrester online monitoring and verifying device.

[0015] Figure 3 It is a baffle disc structural schematic view of the lightning arrester online monitoring and verifying device.

[0016] Figure 4 It is a front view structural schematic view of the lightning arrester detector of the lightning arrester online monitoring and verifying device.

[0017] In the diagram: 1. Surge arrester tester; 2. Protection components; 201. Mounting sleeve; 202. Sleeve rod; 203. Slip ring; 204. Guide rod; 205. Ring disc; 206. Baffle plate; 207. Return spring; 208. Mounting block; 209. Rotating shaft; 210. Tie rod; 211. Sealing ring; 212. Sealing groove; 3. Connecting rod; 4. Mounting clamp; 5. Positioning support plate; 6. Positioning hole; 7. Chassis. Detailed Implementation

[0018] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0019] like Figure 1 , 2 As shown, an online monitoring and verification device for surge arresters includes a surge arrester detector 1, a protective component 2 on the surge arrester detector 1, a chassis 7 mounted on the rear surface of the surge arrester detector 1, a connecting rod 3 fixedly mounted on the rear surface of the chassis 7, and a mounting clamp 4 on the connecting rod 3.

[0020] like Figure 1 As shown, positioning support plates 5 are fixedly installed on both sides of the surface of the surge arrester chassis 7. Positioning support plates 5 have through holes 6 to facilitate the installation of this device in a suitable position.

[0021] like Figure 2 , 3As shown in FIGS. 4, the protection assembly 2 comprises a plurality of mounting sleeves 201, a ring disc 205, the mounting sleeves 201 are equidistantly and fixedly installed on the front surface of the chassis 7, the ring disc 205 is fixedly installed on the circumferential surface of the lightning arrester detector 1, the sleeve rod 202 is slidingly installed in each mounting sleeve 201, the sliding ring 203 is fixedly installed between the top ends of the sleeve rods 202, the two guide rods 204 are equidistantly and fixedly installed on the front surface of the sliding ring 203, the two guide rods 204 slidingly penetrate the ring disc 205, the plurality of reset springs 207 are equidistantly and fixedly installed on the front surface of the sliding ring 203, the top ends of the reset springs 207 are arranged on the surface of the ring disc 205, the mounting blocks 208 are fixedly installed on the top ends of the two guide rods 204, the rotary shafts 209 are rotatably installed on the surface of the mounting blocks 208 which are close to each other, the baffle disc 206 is installed between the two rotary shafts 209, the pull rod 210 is fixedly installed on the front surface of the baffle disc 206, the sealing groove 212 is formed on the front surface of the ring disc 205, the sealing ring 211 is fixedly installed on the rear surface of the baffle disc 206, and the sealing ring 211 is arranged in the sealing groove 212. By arranging the baffle disc 206 on the surface of the ring disc 205, the glass on the front end surface of the lightning arrester detector 1 can be protected. By arranging the mounting sleeves 201, the sleeve rods 202 and the guide rods 204 on the side surface of the lightning arrester detector 1, the lightning arrester detector 1 can be protected. When it is necessary to observe the lightning arrester detector 1, the pull rod 210 is pulled outwards by the staff, the baffle disc 206 is pulled outwards at this time, the baffle disc 206 is separated from the surface of the ring disc 205, the baffle disc 206 is turned by the staff, the instrument panel of the lightning arrester detector 1 is exposed, and the numbers on the instrument panel of the lightning arrester detector 1 are observed. The guide rods 204 are reset by the reset springs 207, the baffle disc 206 is reset to the surface of the ring disc 205, and the instrument panel of the lightning arrester detector 1 is protected.

[0022] The working principle of the lightning arrester online monitoring and checking device is as follows:

[0023] When in use, the glass on the front end surface of the lightning arrester detector 1 can be protected by setting the baffle disc 206 on the surface of the ring disc 205, and because the sleeve rods 202 are slidably installed in the installation sleeve 201, a plurality of sleeve rods 202 are fixedly installed at the top ends, a sliding ring 203 is fixedly installed on the front surface of the sliding ring 203 at equal intervals, two guide rods 204 are slidably penetrated through the ring disc 205, a plurality of reset springs 207 are fixedly installed on the front surface of the sliding ring 203 at equal intervals, the top ends of the reset springs 207 are set on the surface of the ring disc 205, the installation blocks 208 are fixedly installed at the top ends of the two guide rods 204, the rotary shafts 209 are rotatably installed on the side of the installation blocks 208, the baffle disc 206 is installed between the two rotary shafts 209, the pull rod 210 is fixedly installed on the front surface of the baffle disc 206, the sealing groove 212 is formed on the front surface of the ring disc 205, the sealing ring 211 is fixedly installed on the rear surface of the baffle disc 206, and the sealing ring 211 is installed in the sealing groove 212. The lightning arrester detector 1 can be protected by setting the installation sleeve 201, the sleeve rod 202 and the guide rod 204 on the side of the lightning arrester detector 1, and when it is necessary to observe the lightning arrester detector 1, the pull rod 210 is pulled outwards by the staff, at this time, the baffle disc 206 can be pulled outwards, the baffle disc 206 is separated from the surface of the ring disc 205, the baffle disc 206 is turned by the staff, the instrument panel of the lightning arrester detector 1 is exposed, and the numbers on the instrument panel of the lightning arrester detector 1 are observed, and the guide rod 204 can be reset by the reset spring 207, the baffle disc 206 is reset to the surface of the ring disc 205, and the instrument panel of the lightning arrester detector 1 is protected.

[0024] The above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not limitations on the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description, and all the embodiments cannot be exhausted here. Any obvious changes or variations derived from the technical solution of the utility model still fall within the protection scope of the utility model.

Claims

1. An on-line monitoring and checking device for a surge arrester, comprising a surge arrester detector (1), characterized in that: The surge arrester tester (1) is equipped with a protective component (2), and a chassis (7) is installed on the rear surface of the surge arrester tester (1). A connecting rod (3) is fixedly installed on the rear surface of the chassis (7), and a mounting clamp (4) is provided on the connecting rod (3).

2. The device according to claim 1, characterized in that: Positioning support plates (5) are fixedly installed on both sides of the surface of the lightning arrester chassis (7), and positioning holes (6) are opened through the positioning support plates (5).

3. The device according to claim 2, characterized in that: The protective component (2) includes several mounting sleeves (201) and a ring disc (205). Several mounting sleeves (201) are fixedly installed at equal intervals on the front surface of the chassis (7), and the ring disc (205) is fixedly installed on the circumference of the surge arrester detector (1).

4. The device according to claim 3, characterized in that: Each of the mounting sleeves (201) has a sleeve rod (202) slidably mounted inside, and a slip ring (203) is fixedly mounted between the top ends of several sleeve rods (202).

5. The device according to claim 4, characterized in that: Two guide rods (204) are fixedly installed at equal intervals on the front surface of the slip ring (203). The two guide rods (204) slide through the ring disk (205). A number of return springs (207) are fixedly installed at equal intervals on the front surface of the slip ring (203). The top of the return springs (207) is set on the surface of the ring disk (205).

6. The device according to claim 5, characterized in that: Mounting blocks (208) are fixedly installed on the top ends of the two guide rods (204). Rotating shafts (209) are rotatably installed on the side of the two mounting blocks (208) that are close to each other. A baffle (206) is installed between the two rotating shafts (209). A pull rod (210) is fixedly installed on the front surface of the baffle (206).

7. The device according to claim 6, characterized in that: A sealing groove (212) is provided on the front surface of the ring disc (205), and a sealing ring (211) is fixedly installed on the rear surface of the baffle disc (206). The sealing ring (211) is located inside the sealing groove (212).

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