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CN-224232965-U - Low contact resistance high-voltage conducting rod

CN224232965UCN 224232965 UCN224232965 UCN 224232965UCN-224232965-U

Abstract

The utility model discloses a low-contact-resistance high-voltage conducting rod, and relates to the technical field of high-voltage conducting rods. Including connection structure, connection structure includes the metal pole, the contact head has been cup jointed to the outer wall at metal pole top, the outer wall of metal pole has the structure of exerting pressure through adjusting screw thread threaded connection, and adjusts the screw thread and offer in the wall of metal pole, the screw hole has been seted up to the inner wall of metal pole bottom, there is extrusion structure through spacing hole sliding connection in the wall of metal pole, and the spacing hole is offered in the wall of metal pole, through the cooperation of swivel becket and pressurized piece, the contact pressure between adjustable conductive part and the metal pole to keep pressure invariable, utilize contact resistance and contact pressure's inverse relation, under the circumstances that does not change conductive pole material, geometric property, reduce contact resistance, effectively promote conductive property and stability, and then reduce the electric energy loss.

Inventors

  • Liu Wangkui
  • ZHANG SHENGQIANG

Assignees

  • 扬州硕宇高压电气有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (5)

  1. 1. The utility model provides a low contact resistance high-voltage conducting rod, includes connection structure (1), connection structure (1) includes metal pole (11), contact (2) have been cup jointed to the outer wall at metal pole (11) top, wherein, the outer wall of metal pole (11) has pressure structure (3) through adjusting screw thread (12) threaded connection, and adjusting screw thread (12) set up in the wall of metal pole (11), screw hole (13) have been seted up to the inner wall of metal pole (11) bottom, there is extrusion structure (14) through spacing hole (15) sliding connection in the wall of metal pole (11), and spacing hole (15) set up in the wall of metal pole (11); The extrusion structure (14) comprises a pressed block (141), a limiting block (142) is fixedly connected to the outer wall of the pressed block (141), a convex groove (143) is formed in one end of the pressed block (141), and a pressed groove (144) is formed in the other end of the pressed block (141).
  2. 2. The low-contact-resistance high-voltage conducting rod according to claim 1, wherein the outer wall of the pressed block (141) is slidably connected with the inner wall of the metal rod (11) through a limiting hole (15), and the outer wall of the limiting block (142) is slidably connected with the inner wall of the metal rod (11) through the limiting hole (15).
  3. 3. The low-contact-resistance high-voltage conducting rod according to claim 1, wherein the pressing structure (3) comprises a rotating ring (31), a threaded groove (32) is formed in the wall of the rotating ring (31), an extrusion groove (33) is formed in the side wall of the interior of the rotating ring (31), and an attaching ring (34) is fixedly connected to the outer wall of the bottom of the rotating ring (31).
  4. 4. A low contact resistance high voltage conductive rod according to claim 3, wherein the inner wall of the rotary ring (31) is connected with the outer wall of the metal rod (11) through a thread groove (32) and an adjusting thread (12), and the inner side wall of the fitting ring (34) is connected with the outer wall of the metal rod (11) in a sliding manner.
  5. 5. A low contact resistance high voltage conductive rod according to claim 3, wherein the outer wall of said rotary ring (31) is in contact with the outer wall of the pressed block (141) through the pressing groove (33) and the pressed groove (144).

Description

Low contact resistance high-voltage conducting rod Technical Field The utility model relates to the technical field of high-voltage conducting rods, in particular to a low-contact-resistance high-voltage conducting rod. Background In the operation process of high-voltage electrical equipment such as transformers, circuit breakers and the like, a conducting rod is used as a key component for transmitting electric energy, the contact resistance of the conducting rod influences the safety and energy efficiency of the equipment, the traditional high-voltage conducting rod is connected with a metal rod by adopting a single threaded connection or a simple extrusion fixing mode, the contact pressure is difficult to control by the traditional high-voltage conducting rod, in the long-term operation, the contact pressure is easily attenuated due to the influence of factors such as vibration and temperature change, the contact resistance is increased, the electric energy loss is increased, the accidents such as insulation aging, equipment failure and even fire disaster can be caused by local overheating, and in addition, the contact resistance of part of the conducting rod can be reduced to a certain extent by adopting an interference fit or welding mode to ensure the contact stability. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides the low-contact-resistance high-voltage conducting rod, which realizes the reduction of contact resistance through the pressure adjusting structure of the rotating ring and the pressed block, simplifies the connection process, and further facilitates the subsequent maintenance and replacement, thereby improving the operation reliability of high-voltage electrical equipment. (II) technical scheme The low contact resistance high-voltage conducting rod comprises a connecting structure, wherein the connecting structure comprises a metal rod, a contact head is sleeved on the outer wall of the top of the metal rod, the outer wall of the metal rod is connected with a pressing structure through an adjusting thread in a threaded manner, the adjusting thread is arranged in the wall of the metal rod, a threaded hole is formed in the inner wall of the bottom of the metal rod, an extrusion structure is connected in the wall of the metal rod in a sliding manner through a limiting hole, and the limiting hole is formed in the wall of the metal rod; Preferably, the extrusion structure comprises a pressed block, a limiting block is fixedly connected to the outer wall of the pressed block, a convex groove is formed in one end of the pressed block, a pressed groove is formed in the other end of the pressed block, the outer wall of the pressed block is in sliding connection with the inner wall of the metal rod through a limiting hole, the outer wall of the limiting block is in sliding connection with the inner wall of the metal rod through a limiting hole, the assembly and the disassembly of the conductive part are facilitated through structural design, and when the conductive part is required to be maintained or replaced, the operation is simple and easy, and a stable pressure adjusting and fixing mechanism reduces the fault risk caused by poor contact. Preferably, the pressing structure comprises a rotating ring, a thread groove is formed in the wall of the rotating ring, an extrusion groove is formed in the side wall of the inner portion of the rotating ring, the outer wall of the bottom of the rotating ring is fixedly connected with a laminating ring, the contact pressure between the conductive part and the metal rod can be adjusted through the cooperation of the rotating ring and the pressed block, the contact pressure is kept constant, and the inverse relation between the contact resistance and the contact pressure is utilized, so that the contact resistance is reduced under the condition that the material and the geometric characteristic of the conductive rod are not changed, the conductivity and the stability are effectively improved, and further the electric energy loss is reduced. Preferably, the inner wall of the rotating ring is in threaded connection with the outer wall of the metal rod through a thread groove and an adjusting thread, the side wall of the inner part of the attaching ring is in sliding connection with the outer wall of the metal rod, and the outer wall of the rotating ring is in contact with the outer wall of the pressed block through an extrusion groove and a pressed groove. (III) beneficial effects The utility model provides a low-contact-resistance high-voltage conducting rod. The beneficial effects are as follows: According to the conductive rod, the contact pressure between the conductive component and the metal rod can be adjusted through the cooperation of the rotating ring and the pressed block, the contact pressure is kept constant, and the contact resistance is reduced by utilizing the in