A polishing gripper device for a current meter terminal of an outdoor lightning arrester

Abstract

The application discloses a polishing and clamping device for an ammeter joint of an outdoor lightning arrester, which comprises an insulating telescopic rod, the insulating telescopic rod comprising a rotatable metal threaded pipe; and a polishing and clamping assembly detachably connected to the end of the insulating telescopic rod, the polishing and clamping assembly comprising an adjusting arm fastened to the end of the insulating telescopic rod, a threaded transmission member arranged on the adjusting arm, a first wire clamp in meshing connection with the threaded transmission member, and a second wire clamp in meshing connection with the threaded transmission member; the first wire clamp and the second wire clamp are respectively arranged on the adjusting arm, and the two wire clamps are adjacent to each other; and the threaded transmission member is in transmission connection with the metal threaded pipe. The polishing and clamping device for the ammeter joint of the outdoor lightning arrester can realize polishing and clamping of the ammeter joint of the outdoor lightning arrester, so that the risk of field operation is reduced; and the device has a reasonable structure and improves operation and maintenance efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power equipment test and detection, and particularly relates to a polishing and clamping device for a current meter joint of an outdoor lightning arrester. BACKGROUND

[0002] The rapid development of power systems puts forward higher requirements for the test and detection of power equipment. Conventional pre-testing needs to carry out a round of lightning arrester charged testing before the beginning of the rainy season every year. Since the off-ground distance of some open lightning arresters is about 2-3 meters, a relay stool or a ladder is usually used to manually short-circuit the leakage current meter at the bottom of the lightning arrester. Generally, there are more than 30 groups of lightning arresters in a 220kV substation, each group having three-phase lightning arresters, and the work efficiency is low by using an insulating stool to manually hang a test line.

[0003] In addition, the leakage current meter joint of some outdoor lightning arresters may also be corroded to cause poor contact, and manual repeated polishing is needed to reliably contact, and a special person is needed to hold the ladder, and two people are needed to carry the insulating ladder, thereby increasing the operation difficulty and operation risk. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a polishing and clamping device for a current meter joint of an outdoor lightning arrester, to realize polishing and clamping of the current meter joint of the outdoor lightning arrester, thereby reducing the field operation risk, and to have a reasonable structure and improve the operation and maintenance efficiency.

[0005] In order to solve the above technical problems, the present application provides a polishing and clamping device for a current meter joint of an outdoor lightning arrester, comprising: an insulating telescopic rod, the insulating telescopic rod comprising: a rotatable metal threaded pipe;

[0006] A polishing and clamping assembly detachably connected at the end of the insulating telescopic rod, the polishing and clamping assembly comprising: an adjusting arm fastened at the end of the insulating telescopic rod, a threaded transmission member arranged on the adjusting arm, a first wire clamp in meshing connection with the threaded transmission member, and a second wire clamp in meshing connection with the threaded transmission member; the first wire clamp and the second wire clamp are respectively arranged on the adjusting arm, and the two wire clamps are adjacent, the threaded transmission member is in transmission connection with the metal threaded pipe, wherein: the metal threaded pipe drives the threaded transmission member to rotate relative to the adjusting arm, the threaded transmission member drives the first wire clamp to clamp the current meter joint and polish it, or drives the second wire clamp to clamp the test line of the lightning arrester tester.

[0007] The threaded transmission member comprises: a threaded transmission rod and a steering gear fastened on the threaded transmission rod, the steering gear is in meshing connection with a rotating gear on the metal threaded pipe, wherein: the metal threaded pipe drives the rotating gear and the steering gear to rotate the threaded transmission rod relative to the adjusting arm.

[0008] The first clamp comprises a first bidirectional screw rod in meshing connection with the steering gear and a first clamp body capable of bidirectional reciprocating movement along the first bidirectional screw rod, and the first clamp body is used for clamping and polishing the ammeter connector.

[0009] The first clamp body is internally provided with a vibration motor, and a file is arranged on the surface of the first clamp body to polish the rust on the ammeter connector clamped by the first clamp body.

[0010] The first clamp body is made of wear-resistant material.

[0011] The second clamp comprises a second bidirectional screw rod in meshing connection with the steering gear and a second clamp body capable of bidirectional reciprocating movement along the second bidirectional screw rod, and the second clamp body is used for connecting the test line of the lightning arrester tester.

[0012] The second clamp body is provided with a conductor coating for connecting the test line of the lightning arrester tester.

[0013] The movement direction of the first clamp body is opposite to the movement direction of the second clamp body.

[0014] The steering gear drives the first bidirectional screw rod and the second bidirectional screw rod to rotate respectively, so that the first clamp body is clamped and the second clamp body is loosened, or the first clamp body is loosened and the second clamp body is clamped.

[0015] The insulating telescopic rod is a multi-section structure capable of telescoping, and the insulating telescopic rod of the multi-section structure is locked by a spiral lock buckle.

[0016] The polishing and clamping device for the ammeter connector of the outdoor lightning arrester has the following beneficial effects: the polishing and clamping device for the ammeter connector of the outdoor lightning arrester comprises an insulating telescopic rod, the insulating telescopic rod comprises a rotatable metal threaded pipe, a polishing and clamping assembly detachably connected to the end of the insulating telescopic rod, the polishing and clamping assembly comprises an adjusting arm fastened to the end of the insulating telescopic rod, a threaded transmission member arranged on the adjusting arm, a first clamp in meshing connection with the threaded transmission member, and a second clamp in meshing connection with the threaded transmission member, the first clamp and the second clamp are arranged on the adjusting arm and adjacent to each other, the threaded transmission member is in transmission connection with the metal threaded pipe, wherein the metal threaded pipe drives the threaded transmission member to rotate relative to the adjusting arm, the threaded transmission member drives the first clamp to clamp and polish the ammeter connector, or drives the second clamp to clamp the test line of the lightning arrester tester, realizes the polishing and clamping of the ammeter connector of the outdoor lightning arrester, and thus reduces the risk of field operation; the structure is reasonable, and the operation and maintenance efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative effort based on these drawings.

[0018] Fig. 1 The overall structure schematic diagram of the polishing and clamping device for the ammeter joint of the outdoor lightning arrester according to the embodiment of the present application.

[0019] Fig. 2 The structure schematic diagram of the polishing and clamping assembly according to the embodiment of the present application. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only show some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the present application.

[0021] As shown in Figs. 1-2 Fig. 1 is an embodiment one of the polishing and clamping device for the ammeter joint of the outdoor lightning arrester according to the present application.

[0022] The polishing and clamping device for the ammeter joint of the outdoor lightning arrester according to the embodiment of the present application comprises an insulating telescopic rod 1, which comprises a rotatable metal threaded pipe 11.

[0023] A polishing and clamping assembly 2 is detachably connected to the end of the insulating telescopic rod 1, which comprises an adjusting arm 21 fastened to the end of the insulating telescopic rod 1, a threaded transmission member 22 installed on the adjusting arm 21, a first wire clamp in meshing connection with the threaded transmission member 22, and a second wire clamp in meshing connection with the threaded transmission member 22.

[0024] The first wire clamp and the second wire clamp are respectively installed on the adjusting arm 21, and the two wire clamps are adjacent to each other, and the threaded transmission member 22 is in transmission connection with the metal threaded pipe 11.

[0025] The metal threaded pipe 11 drives the threaded transmission member 22 to rotate relative to the adjusting arm 21, and the threaded transmission member 22 drives the first wire clamp to clamp and polish the ammeter joint, or drives the second wire clamp to clamp the test wire of the lightning arrester tester.

[0026] In the embodiment, the insulating telescopic rod 1 is a multi-section structure capable of telescoping, and the multi-section structure is locked by a screw lock. The insulating telescopic rod 1 comprises a rotatable metal threaded pipe 11, and the metal threaded pipe 11 is provided with a rotating gear 111.

[0027] In the embodiment, the length of the insulating telescopic rod 1 can reach 15 meters, and the contracted length is less than 0.7 meters, so as to adapt to the height of the open lightning arrester leakage current meter and facilitate carrying and moving. In the implementation, the insulating telescopic rod 1 can be freely contracted according to the height of the leakage current meter of the lightning arrester on site, and each section of the insulating rod can be locked at any extension length, so as to facilitate the on-site operator to freely adjust the total height of the lifting rod.

[0028] The polishing and clamping assembly 2 is used to tightly bite the leakage current meter joint, polish the joint, and clamp the test wire of the lightning arrester tester. The polishing and clamping assembly 2 comprises an adjusting arm 21, a threaded transmission member 22, a first wire clamp and a second wire clamp.

[0029] The adjusting arm 21 is a support structure, which is fastened to the end of the insulating telescopic rod 1. The adjusting arm 21 provides support for each component of the polishing and clamping assembly 2. In the embodiment, the adjusting arm 21 is designed to be detachable and can be freely adjusted in length and rotation angle, so as to freely adjust the adjusting arm 21 according to the different lateral dimensions and rotation angles of the measured equipment on site, and fix the clamping and fixing device at a suitable position to closely fit the measured equipment.

[0030] Further, the threaded transmission member 22 comprises a threaded transmission rod 221 and a steering gear 222 fastened to the threaded transmission rod 221. The steering gear 222 is engaged with the rotating gear 111 on the metal threaded pipe 11. In the implementation, the metal threaded pipe 11 drives the rotating gear 111 and the steering gear 222 in turn to rotate the threaded transmission rod 221 relative to the adjusting arm 21.

[0031] The first wire clamp is engaged with the threaded transmission member 22 and is arranged on the adjusting arm 21. The first wire clamp is used to clamp the current meter joint and polish it under the drive of the threaded transmission member 22.

[0032] In the embodiment, the first wire clamp comprises a first bidirectional screw rod 31 engaged with the steering gear 222 and a first wire clamp body 32 capable of bidirectional reciprocating movement along the first bidirectional screw rod 31. The first wire clamp body 32 is a clamping body structure, which can clamp the current meter joint and polish it.

[0033] Preferably, the first wire clamp body 32 in the embodiment is provided with a vibration motor, and a file is arranged on the surface of the first wire clamp body 32, so as to polish the rust on the current meter joint clamped by the first wire clamp body 32.

[0034] Preferably, the first clamp body 32 is made of wear-resistant material to reduce wear and tear during the process of polishing the joint, thereby prolonging the service life of the product.

[0035] Further, the second clamp is engaged with the screw transmission member 22, which is installed on the adjusting arm 21. The second clamp comprises a second bidirectional screw rod 41 engaged with the steering gear 222 and a second clamp body 42 capable of bidirectional reciprocating movement along the second bidirectional screw rod 41.

[0036] Preferably, the second clamp body 42 is further provided with a conductor coating for connecting the test line of the lightning arrester tester.

[0037] The function of the second clamp is to clamp the test line of the lightning arrester tester under the drive of the screw transmission member 22, thereby achieving reliable short-circuiting of the leakage current meter joint.

[0038] In this embodiment, the first clamp and the second clamp are arranged adjacently, which has the effect that the screw transmission member 22 can simultaneously engage with the two clamps, thereby achieving linkage.

[0039] Preferably, the movement direction of the first clamp body 32 is opposite to that of the second clamp body 42.

[0040] In this way, when the steering gear 222 drives the first bidirectional screw rod 31 and the second bidirectional screw rod 41 to rotate respectively, the first clamp body 32 can be clamped, and the second clamp body 42 can be loosened; or the first clamp body 32 can be loosened, and the second clamp body 42 can be clamped.

[0041] In this embodiment, when the polishing clamp device for the current meter joint of the outdoor lightning arrester is implemented, the insulating telescopic rod 1 can be extended to a certain height to approach the running leakage current meter joint, and the screw transmission member 22 synchronously drives the two sets of clamps to move. Since the movement direction of the first clamp body 32 is opposite to that of the second clamp body 42, when the insulating telescopic rod 1 rotates clockwise, the metal screw pipe 11 sequentially drives the rotating gear 111 and the steering gear 222 to rotate the screw transmission rod 221 relative to the adjusting arm 21,

[0042] The first clamp clamps the leakage current meter joint under the drive of the screw transmission member 22, at this time, the first clamp loosens the test line, and the polishing function of the first clamp is started to polish the current meter joint. When the insulating telescopic rod 1 rotates counterclockwise, the metal screw pipe 11 sequentially drives the rotating gear 111 and the steering gear 222 to reversely rotate the screw transmission rod 221 relative to the adjusting arm 21, and the second clamp clamps the test line under the drive of the screw transmission member 22, and the first clamp loosens the leakage current meter joint. After polishing the joint rust, reliable clamping is achieved.

[0043] The polishing and clamping device for the ammeter joint of the outdoor lightning arrester in the embodiment can reliably short-circuit the ammeter joint of the high lightning arrester on the ground, realize the short-circuit test of the ammeter joint at a high position on the ground, replace manual climbing or carrying of an insulating ladder stool, greatly reduce the risk of field operation, and significantly improve work efficiency.

[0044] In other embodiments of the polishing and clamping device for the ammeter joint of the outdoor lightning arrester, the polishing and clamping device can also be applied to other occasions where high test equipment needs to be polished and short-circuited, such as polishing of transformer bushing joints for DC resistance test, short-circuit grounding, etc.

[0045] The polishing and clamping device for the ammeter joint of the outdoor lightning arrester has the following beneficial effects: the polishing and clamping device for the ammeter joint of the outdoor lightning arrester comprises an insulating telescopic rod, the insulating telescopic rod comprises a rotatable metal threaded pipe, and a polishing and clamping assembly detachably connected to the end of the insulating telescopic rod, the polishing and clamping assembly comprises an adjusting arm fastened to the end of the insulating telescopic rod, a threaded transmission member arranged on the adjusting arm, a first wire clamp in meshing connection with the threaded transmission member, and a second wire clamp in meshing connection with the threaded transmission member, the first wire clamp and the second wire clamp are respectively arranged on the adjusting arm, and the two wire clamps are adjacent, the threaded transmission member is in transmission connection with the metal threaded pipe, wherein: the metal threaded pipe drives the threaded transmission member to rotate relative to the adjusting arm, the threaded transmission member drives the first wire clamp to clamp and polish the ammeter joint, or drives the second wire clamp to clamp the test wire of the lightning arrester tester, realizes the polishing and clamping of the ammeter joint of the outdoor lightning arrester, thereby reducing the risk of field operation, and has a reasonable structure and improved operation and maintenance efficiency.

Claims

1. A polishing gripper device for a current meter terminal of an outdoor lightning arrester, characterized by, The utility model relates to an insulation telescopic rod, which comprises a rotatable metal screw pipe, a detachable polishing clamp assembly connected to the end of the insulation telescopic rod, the polishing clamp assembly comprising an adjusting arm fastened to the end of the insulation telescopic rod, a screw transmission device mounted on the adjusting arm, a first wire clamp in meshing connection with the screw transmission device, and a second wire clamp in meshing connection with the screw transmission device, wherein the metal screw pipe drives the screw transmission device to rotate relative to the adjusting arm, the screw transmission device drives the first wire clamp to clamp and polish the ammeter terminal or drives the second wire clamp to clamp the test wire of the lightning arrester tester. The screw transmission device comprises a screw transmission rod and a steering gear fastened to the screw transmission rod, wherein the steering gear is in meshing connection with the rotating gear on the metal screw pipe, and the metal screw pipe drives the rotating gear and the steering gear to rotate the screw transmission rod relative to the adjusting arm. The first wire clamp comprises a first bidirectional screw rod in meshing connection with the steering gear and a first wire clamp body capable of bidirectional reciprocating movement along the first bidirectional screw rod, and the first wire clamp body is used to clamp and polish the ammeter terminal. The first wire clamp body is internally provided with a vibration motor, and the surface of the first wire clamp body is provided with a file for polishing the rust on the ammeter terminal clamped by the first wire clamp body. The first wire clamp body is made of wear-resistant material.

2. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 1, characterized in that, The second wire clamp comprises a second bidirectional screw rod in meshing connection with the steering gear and a second wire clamp body capable of bidirectional reciprocating movement along the second bidirectional screw rod, and the second wire clamp body is used to connect the test wire of the lightning arrester tester. The second wire clamp body is provided with a conductor coating for connecting the test wire of the lightning arrester tester.

3. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 2, characterized in that, The movement direction of the first wire clamp body is opposite to that of the second wire clamp body.

4. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 3, characterized in that, The steering gear drives the first bidirectional screw rod and the second bidirectional screw rod to rotate, so that the first wire clamp body is clamped and the second wire clamp body is loosened, or the first wire clamp body is loosened and the second wire clamp body is clamped.

5. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 4, characterized in that, The insulation telescopic rod is a multi-section structure capable of telescoping, and the multi-section structure of the insulation telescopic rod is locked by a spiral lock buckle.

6. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 3, characterized in that, ​ 7. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 6, characterized in that, ​ 8. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 6, characterized in that, ​ 9. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 8, characterized in that, ​ 10. The polishing gripper device for the ammeter connection of the outdoor surge arrester according to claim 9, characterized in that, ​

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