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CN-121978442-A - GIS arrester electrical test tool

CN121978442ACN 121978442 ACN121978442 ACN 121978442ACN-121978442-A

Abstract

The invention relates to the technical field of electrical tests and discloses an electrical test fixture for a GIS lightning arrester, which comprises a placing table, wherein a tank switch is arranged on the right side of the placing table, a first contact and a second contact are respectively connected with two ends of the tank switch in a sliding manner, a spacing adjusting piece and a rotation driving piece are arranged on the surface of the first contact, a clamping assembly is arranged in the placing table, and a switch driving piece is arranged between the tank switch and the second contact. After the sliding block is attached to the surface of the fixed frame, the rack plate pulls the fixed frame, the sliding frame and the fixed frame to approach the placing table through the sliding block, so that the sleeve is attached to the contact in the shielding cover of the GIS lightning arrester, the driving bevel gear is driven to rotate through the driving shaft, and then the sleeve is driven to rotate, so that the sleeve is enabled to approach the placing table while rotating, the sleeve is enabled to be in butt joint with the shielding cover of the GIS lightning arrester, and meanwhile the sleeve and the contact in the shielding cover are rubbed with each other, so that the purpose of automatically connecting the GIS lightning arrester into a test loop is achieved.

Inventors

  • Ma Aiqian
  • TIAN MAOLONG
  • WANG HANQING
  • XUE KUN
  • MIAO KUNPENG
  • GUO YONGSHENG

Assignees

  • 明电舍(郑州)电气工程有限公司

Dates

Publication Date
20260505
Application Date
20260210

Claims (10)

  1. 1. The GIS arrester electrical test fixture comprises a placement table (100) and is characterized in that a tank switch (200) is arranged on the right side of the placement table (100), a first contact (300) and a second contact (400) are respectively connected to two ends of the tank switch (200) in a sliding mode, and the first contact (300) is used for being connected with a shielding cover on a basin-type insulator center conductor at the upper end of the GIS arrester; The surface of the first contact (300) is provided with a spacing adjusting piece (500) and a rotation driving piece (600), the spacing adjusting piece (500) is used for driving the first contact (300) to move along the left-right direction, and the rotation driving piece (600) is used for driving the first contact (300) to rotate; A clamping assembly (700) is arranged in the placing table (100), and the clamping assembly (700) is used for clamping and fixing a GIS lightning arrester; a switch driving piece (800) is arranged between the tank switch (200) and the second contact (400), and the switch driving piece (800) is used for driving the second contact (400) to move along the left-right direction and enabling the second contact (400) to be in contact with or separated from the first contact (300).
  2. 2. The GIS arrester electrical test fixture as set forth in claim 1, wherein the center of the top of the placement table (100) is provided with an avoidance groove (101), the top of the placement table (100) is provided with two containing grooves (102), the placement table (100) is internally provided with a mounting groove (103) communicated with the containing grooves (102), and the mounting groove (103) is used for containing a clamping assembly (700).
  3. 3. The GIS arrester electrical test fixture of claim 1, wherein the tank switch (200) comprises a shell (201), basin-type insulators (202) are fixedly installed in two ends of the shell (201), a butt joint barrel (203) is fixedly installed at the left end of the shell (201), a sealing ring (204) is fixedly installed at the left end of the butt joint barrel (203), an extension part (205) is arranged at the bottom of the butt joint barrel (203), a linear groove (206) is formed in the lower half part of the butt joint barrel (203), an arc-shaped plate (207) is attached to the bottom of the butt joint barrel (203), the arc-shaped plate (207) seals the linear groove (206), a sliding frame (208) is welded at the bottom of the butt joint barrel (203), a transverse moving track (209) is arranged at the bottom of the sliding frame (208), and sulfur hexafluoride gas is filled in the shell (201).
  4. 4. The GIS lightning arrester electrical test fixture according to claim 1, wherein the first contact (300) comprises a cross rod (301), the cross rod (301) is connected to the center of the end part of the tank switch (200) in a penetrating and sliding manner, a sleeve (302) is fixedly arranged at the left end of the cross rod (301), and a first extension ring (303) is fixedly arranged at the left end of the sleeve (302); The cross rod (301) outside cover is equipped with sleeve (304), sleeve (304) left end fixed mounting has second extension ring (305), first extension ring (303) side fixed mounting has slide column (306), slide column (306) run through sliding connection on second extension ring (305), fixed mounting has first spring (307) between second extension ring (305) and first extension ring (303), sleeve (304) surface fixed mounting has two swivel rings (308).
  5. 5. The GIS arrester electrical test fixture of claim 1, wherein the interval adjusting part (500) comprises a guide rail (501) fixedly arranged on the left side wall of the abutting cylinder (203), two sliding frames (502) are connected to the guide rail (501) in a sliding manner, the top ends of the sliding frames (502) are rotationally connected with the swivel (308), a fixed frame (503) is fixedly arranged between the bottom ends of the two sliding frames (502), a sliding block (504) is connected to the fixed frame (503) in a sliding manner, and a transverse moving pushing part is fixedly arranged on the sliding block (504).
  6. 6. The GIS arrester electrical test fixture of claim 5, wherein the traversing pushing member comprises a motor (505) fixedly arranged at the bottom of the placing table (100), the output end of the motor (505) is connected with a driving shaft (506), a gear (507) is fixedly arranged at the top of the driving shaft (506), a rack plate (508) is meshed with the rear side of the gear (507), and the rack plate (508) is fixedly arranged with the sliding block (504).
  7. 7. The GIS arrester electrical test fixture as claimed in claim 1, wherein the rotation driving part (600) comprises a supporting frame (601) fixedly mounted on the surface of the guide rail (501), an embedded ring (602) is fixedly mounted at the top end of the supporting frame (601), a rotating wheel (603) is rotationally connected to the embedded ring (602), the rotating wheel (603) is sleeved outside the sleeve (304), the rotating wheel (603) is located between the two rotating rings (308), raised strips (604) are fixedly arranged on the surface of the sleeve (304) located between the two rotating rings (308) in an array mode, sliding grooves (605) are formed in the inner wall array of the rotating wheel (603), the rotating wheel (603) is connected to the raised strips (604) in a sliding mode through the sliding grooves (605), and a transmission part is arranged between the side face of the rotating wheel (603) and the driving shaft (506).
  8. 8. The GIS arrester electrical test fixture of claim 7, wherein the transmission member comprises a transmission shaft (606) rotatably connected to the side surface of the placing table (100), a driven bevel gear (607) is fixedly installed at one end, close to the driving shaft (506), of the transmission shaft (606), a driving bevel gear (608) is fixedly installed on the surface of the driving shaft (506), the driven bevel gear (607) and the driving bevel gear (608) are meshed with each other, a first sprocket (609) is fixedly installed at the right end of the transmission shaft (606), a second sprocket (610) is fixedly installed at the side surface of the rotating wheel (603), and the first sprocket (609) and the second sprocket (610) are connected through an annular chain (611).
  9. 9. The GIS lightning arrester electrical test fixture according to claim 1, wherein the clamping assembly (700) comprises a plane thread disc (701) fixedly installed at the center of the top of the gear (507), two thread blocks (702) are connected to the top of the plane thread disc (701) in a threaded manner, extension arms (703) are fixedly installed on the opposite sides of the two thread blocks (702), and a pressing plate (704) is fixedly installed on the top of one end, far away from the thread blocks (702), of each extension arm (703); Two support rods (705) are connected to each pressing plate (704) in a penetrating and sliding mode, clamping plates (706) are fixedly installed between the two support rods (705), and second springs (707) are fixedly installed between the pressing plates (704) and the clamping plates (706).
  10. 10. The GIS arrester electrical test fixture according to claim 1, wherein the switch driving piece (800) comprises an embedded cylinder (801) arranged inside the tank switch (200), an opening of the embedded cylinder (801) faces to the first contact (300), a fixed beam (802) is fixedly arranged between the outer wall of the embedded cylinder (801) and the inner wall of the tank switch (200), the second contact (400) is connected at the center of the embedded cylinder (801) in a penetrating and sliding manner, a butt joint cover (401) is fixedly arranged at one end, facing to the first contact (300), of the second contact (400), a sliding disc (803) is fixedly arranged on the surface of the second contact (400), and the sliding disc (803) is connected inside the embedded cylinder (801) in a sliding manner; The embedded section of thick bamboo (801) is kept away from first contact (300) one end bottom and is connected with air duct (804), air duct (804) are worn out from tank switch (200) bottom, the one end that embedded section of thick bamboo (801) was kept away from to air duct (804) is connected with piston cylinder (805), piston center department and cylinder (806) output fixed mounting of piston cylinder (805).

Description

GIS arrester electrical test tool Technical Field The invention relates to the technical field of electrical tests, in particular to a GIS lightning arrester electrical test tool. Background The GIS lightning arrester is a key device for limiting lightning overvoltage and operation overvoltage in a gas insulated metal enclosed switchgear (GIS), and the GIS device is protected by absorbing and releasing overvoltage energy. According to the related standard requirements, each GIS lightning arrester leaving the factory is subjected to electrical tests such as continuous current test, nominal discharge current residual voltage test, power frequency reference voltage test, internal partial discharge test and the like, and the electrical performance of the GIS lightning arrester is detected. In the GIS arrester electrical test process, the test loop needs to be disconnected in advance, after the GIS arrester is connected into the loop, the electrical performance of the GIS arrester is detected through the detection loop, and the GIS arrester is more in quantity and more troublesome to install and detach, so that the GIS arrester can be further improved. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides a GIS arrester electric test fixture which has the advantages of automatically connecting the GIS arrester into a test loop and the like, and solves the problem of complex operation when connecting the GIS arrester into the loop. (II) technical scheme The electrical test fixture for the GIS lightning arrester comprises a placement table, wherein a tank switch is arranged on the right side of the placement table, a first contact and a second contact are respectively connected to the two ends of the tank switch in a sliding mode, the first contact is used for being connected with a shielding cover on a basin-type insulator center conductor at the upper end of the GIS lightning arrester, a distance adjusting piece and a rotation driving piece are arranged on the surface of the first contact, the distance adjusting piece is used for driving the first contact to move in the left-right direction, the rotation driving piece is used for driving the first contact to rotate, a clamping assembly is arranged inside the placement table, the clamping assembly is used for clamping and fixing the GIS lightning arrester, and a switch driving piece is arranged between the tank switch and the second contact and used for driving the second contact to move in the left-right direction and enabling the second contact to be in contact with or separated from the first contact. Preferably, the center of the top of the placing table is provided with an avoidance groove, the top of the placing table is provided with two containing grooves, the inside of the placing table is provided with a mounting groove communicated with the containing grooves, and the mounting groove is used for containing the clamping assembly. Preferably, the tank switch comprises a shell, basin-type insulators are fixedly installed in two ends of the shell, a butt joint cylinder is fixedly installed at the left end of the shell, a sealing ring is fixedly installed at the left end of the butt joint cylinder, an extension part is arranged at the bottom of the butt joint cylinder, a linear groove is formed in the lower half part of the butt joint cylinder, an arc plate is attached to the bottom of the butt joint cylinder, the arc plate seals the linear groove, a sliding frame is welded at the bottom of the butt joint cylinder, a transverse moving track is arranged at the bottom of the sliding frame, and sulfur hexafluoride gas is filled in the shell. Preferably, the first contact comprises a cross rod, the cross rod is connected to the center of the end part of the tank switch in a penetrating and sliding manner, a sleeve is fixedly arranged at the left end of the cross rod, a first extension ring is fixedly arranged at the left end of the sleeve, a sleeve is sleeved outside the cross rod, a second extension ring is fixedly arranged at the left end of the sleeve, a sliding column is fixedly arranged on the side surface of the first extension ring, the sliding column is connected to the second extension ring in a penetrating and sliding manner, a first spring is fixedly arranged between the second extension ring and the first extension ring, and two rotating rings are fixedly arranged on the surface of the sleeve. Preferably, the interval adjusting piece comprises a guide rail fixedly mounted on the left side wall of the butt joint barrel, two sliding frames are connected to the guide rail in a sliding manner, the top ends of the sliding frames are rotationally connected with the swivel, a fixed frame is fixedly mounted between the bottom ends of the sliding frames, a sliding block is connected to the fixed frame in a sliding manner, and a transverse moving pushing piece is fixedly mounted on the slid