CN-224216787-U - Lightning arrester detection device

Abstract

The application provides a lightning arrester detection device which comprises a detection rod, wherein the detection rod comprises a sliding seat and two clamping jaws, a first driving piece is arranged on the sliding seat and is respectively connected with the two clamping jaws to drive the two clamping jaws to slide oppositely or slide away from each other on the sliding seat, and a second driving piece is arranged on the clamping jaws and is used for driving the clamping jaws to stretch out and draw back. The first driving piece is arranged to drive the two clamping jaws to slide on the sliding seat in opposite directions or in opposite directions, so that the distance between the two clamping jaws can be flexibly adjusted, and the lightning arrester is suitable for lightning arresters of different specifications. The clamping jaw is driven to stretch by the second driving piece arranged on the clamping jaw, and the length of the clamping jaw can be adjusted by the second driving piece, so that a larger contact area is formed between the clamping jaw and the lightning arrester. The operator does not need to frequently replace the detection equipment for adapting to different lightning arresters, and the efficiency of detection work is obviously improved.

Inventors

• BAI JUAN
• FENG SHULEI
• ZHOU HONGRUI
• XIE ZHENJUN
• WEI JUN
• CHEN JIANTAO
• XIONG LI
• WU GUOFENG
• ZOU YU
• LI WENSEN
• SU YIFENG
• FENG BIN
• LI LINSUI
• WANG DEYIN
• LI CHANG
• CHEN HENGLONG

Assignees

• 广西电网能源科技有限责任公司
• 广西电网有限责任公司钦州供电局

Dates

Publication Date

20260508

Application Date

20250321

Claims (10)

1. 1. The lightning arrester detection device is characterized by comprising a detection rod, wherein the detection rod comprises a sliding seat (1) and two clamping jaws (3), a first driving piece (16) is arranged on the sliding seat (1), the first driving piece (16) is respectively connected with the two clamping jaws (3) to drive the two clamping jaws (3) to slide on the sliding seat (1) in opposite directions or slide away from each other, a second driving piece (32) is arranged on the clamping jaws (3), and the second driving piece (32) is used for driving the clamping jaws (3) to stretch out and draw back.
2. 2. The lightning arrester detection device according to claim 1, wherein the sliding seat (1) comprises a hollow seat body (11), a bidirectional threaded rod (131) is arranged in the seat body (11), the bidirectional threaded rod (131) comprises a first threaded section and a second threaded section, the first threaded section and the second threaded section are opposite in threaded rotation, one clamping jaw (3) is arranged on the first threaded section, the other clamping jaw (3) is arranged on the second threaded section, and the first driving piece (16) is connected with the bidirectional threaded rod (131) to drive the bidirectional threaded rod (131) to rotate so that the two clamping jaws (3) slide on the sliding seat (1) in opposite directions or in opposite directions.
3. 3. The lightning arrester detection device according to claim 2, wherein the first thread section and the second thread section are both in threaded connection with a limit slider (14), a slide bar (132) is arranged in the base body (11), the slide bar (132) is arranged along the moving direction of the clamping jaw (3), two limit sliders (14) are both slidingly arranged on the slide bar (132), one clamping jaw (3) is connected with the limit slider (14) on the first thread section, and the other clamping jaw (3) is connected with the limit slider (14) on the second thread section.
4. 4. A lightning arrester detection device according to claim 3, characterized in that the inner wall of the base body (11) is provided with guiding ribs (15), the guiding ribs (15) are arranged along the moving direction of the clamping jaw (3), and the two limit sliders (14) are both arranged on the guiding ribs (15) in a sliding manner.
5. 5. The lightning arrester detection device according to claim 2, characterized in that a screw rod fixing member (12) is provided on the inner wall of the base body (11), a via hole is provided on the screw rod fixing member (12), and the bidirectional threaded rod (131) is provided through the via hole and is rotatably connected to the via hole through a bearing; the screw mount (12) is disposed between the first threaded section and the second threaded section.
6. 6. A lightning arrester detection device according to claim 3, wherein the clamping jaw (3) comprises a jaw housing (31) and a clamping jaw slider (331), the jaw housing (31) is connected with the limit slider (14), the jaw housing (31) is arranged perpendicular to the base (11), the clamping jaw slider (331) is slidably arranged on the jaw housing (31), and the second driving member (32) is respectively connected with the jaw housing (31) and the clamping jaw slider (331) to drive the clamping jaw slider (331) to slide outside the jaw housing (31) in a direction away from the base (11) or drive the clamping jaw slider (331) to slide inside the jaw housing (31) in a direction close to the base (11); The lightning arrester detection device comprises a detector, wherein the two clamping jaw sliding blocks (331) of the two clamping jaws (3) are respectively provided with an inductor (332), the two inductors (332) are oppositely arranged, and the two inductors (332) are respectively connected with the detector.
7. 7. The lightning arrester detection device according to claim 6, characterized in that a guiding rib (342) is provided on the inner wall of the claw shell (31), the claw sliding block (331) is provided with a sliding groove (341), the guiding rib (342) and the sliding groove (341) are arranged along the sliding direction of the claw sliding block (331) on the claw shell (31), and the sliding groove (341) is in sliding fit with the guiding rib (342).
8. 8. The lightning arrester detection device according to claim 1, characterized in that the lightning arrester detection device comprises a telescopic rod (2), the telescopic rod (2) comprises a first rod body (21) and a second rod body (24) which are in sliding sleeve connection, the sliding seat (1) is connected with the first rod body (21) or the sliding seat (1) is connected with the second rod body (24).
9. 9. The lightning arrester detection device according to claim 8, wherein the first rod body (21) is slidably sleeved on the outer side of the second rod body (24), a plurality of fixing holes are formed in the first rod body (21) along the extending direction, a containing cavity is formed in the second rod body (24), an elastic sheet (221), a guide post (231) and a spring (232) are arranged in the containing cavity, the elastic sheet (221) comprises a first section and a second section which are arranged at an angle, one end of the guide post (231) is slidably connected with the first section, the other end of the guide post is connected with the second section, the spring (232) is sleeved on the guide post (231), the spring (232) is respectively abutted with the first section and the second section, so as to apply elastic forces far away from each other to the first section and the second section, a clamping bump (222) is arranged on the first section, the clamping bump (222) penetrates out from the first section to the second section, and the clamping bump (24) can be fixed in the plurality of holes.
10. 10. The lightning arrester detection device according to claim 8, characterized in that a rotary connecting seat (26) is arranged on the telescopic rod (2), a rotating shaft is arranged on the rotary connecting seat (26), the sliding seat (1) is provided with a rotary connecting block (25), and the rotary connecting block (25) is rotatably connected to the rotating shaft.

Description

Lightning arrester detection device Technical Field The application belongs to the technical field of lightning arresters, and particularly relates to a lightning arrester detection device. Background The lightning arrester is used for protecting electrical equipment from high transient overvoltage damage during lightning strike, limiting the freewheel time and often limiting the freewheel amplitude. Normally, the lightning arrester is in a high resistance state, and only microampere leakage current passes through. When the voltage applied to the lightning arrester reaches the action voltage of the lightning arrester, the lightning arrester is conducted, the high current releases overvoltage energy through the lightning arrester, the overvoltage is limited to a certain level, and the equipment is protected to be insulated. And after the overvoltage energy is released, the lightning arrester is restored to the original state. The lightning arrester detection device is a device for monitoring the state of the lightning arrester and checking hidden danger. The lightning arrester detection device generally comprises a clamp and is fastened and fixed on the lightning arrester by the clamp. However, the size of the clamp of the existing lightning arrester detection device is usually fixed, and only the lightning arrester with a specific size is matched. However, when measuring some special models or old lightning arresters, the clamp cannot be firmly fixed due to unmatched sizes, and the detection device is easy to shake and displace during detection, so that the detection precision is seriously affected. Disclosure of utility model Therefore, the technical problem to be solved by the application is to provide the lightning arrester detection device which can be adapted to lightning arresters with more sizes and expand the application range. In order to solve the problems, the application provides a lightning arrester detection device which comprises a detection rod, wherein the detection rod comprises a sliding seat and two clamping jaws, a first driving piece is arranged on the sliding seat and is respectively connected with the two clamping jaws so as to drive the two clamping jaws to slide on the sliding seat in opposite directions or slide in opposite directions, and a second driving piece is arranged on the clamping jaws and is used for driving the clamping jaws to stretch out and draw back. Optionally, the sliding seat includes hollow pedestal, be provided with the two-way threaded rod in the pedestal, the two-way threaded rod includes first screw thread section and second screw thread section, first screw thread section with the screw thread of second screw thread section revolves to opposite, one of them the clamping jaw sets up on the first screw thread section, another the clamping jaw sets up on the second screw thread section, first driving piece with the two-way threaded rod is connected, so as to drive the two-way threaded rod rotates, so that two the clamping jaw slides in opposite directions or slides in opposite directions on the sliding seat. Optionally, the first screw thread section with all threaded connection has spacing slider on the second screw thread section, be provided with the slide bar in the pedestal, the slide bar is followed the direction of movement setting of clamping jaw, two spacing slider all slide the setting is in on the slide bar, one of them the clamping jaw with on the first screw thread section spacing slider is connected, another the clamping jaw with on the second screw thread section spacing slider is connected. Optionally, be provided with the direction bead on the inner wall of pedestal, the direction bead is followed the direction of movement of clamping jaw sets up, two spacing slider all slide and set up on the direction bead. Optionally, a screw fixing piece is arranged on the inner wall of the base body, a through hole is formed in the screw fixing piece, the bidirectional threaded rod penetrates through the through hole and is rotationally connected to the through hole through a bearing, and the screw fixing piece is arranged between the first threaded section and the second threaded section. Optionally, the clamping jaw comprises a jaw shell and a clamping jaw sliding block, the jaw shell is connected with the limiting sliding block, the jaw shell is perpendicular to the base body, the clamping jaw sliding block is arranged on the jaw shell in a sliding mode, the second driving piece is connected with the jaw shell and the clamping jaw sliding block respectively, so that the clamping jaw sliding block is driven to slide towards the outer side of the jaw shell along the direction away from the base body or is driven to slide towards the inner side of the jaw shell along the direction close to the base body, sensors are arranged on the clamping jaw sliding blocks of the two clamping jaws, the two sensors are arranged oppositely, and the lightning arrester det