Search

CN-224232469-U - Terminal for three-phase dry-type transformer with adjustable

CN224232469UCN 224232469 UCN224232469 UCN 224232469UCN-224232469-U

Abstract

The utility model provides an adjustable wiring terminal for a three-phase dry-type transformer, which belongs to the technical field of dry-type transformers and comprises a connecting part, a wiring part and a wire end protecting cover, wherein the connecting part comprises a column body, a sealing plate fixedly connected to the side wall of the column body, a base plate fixedly connected to the inside of the column body and a wire clamping joint hermetically installed on the side wall of the end part of the column body, and the wiring part comprises a supporting plate fixedly connected to the side wall of the base plate, a connecting piece fixedly connected to the side wall of the supporting plate and the wire end protecting cover spliced in the middle of the connecting piece. The utility model has the beneficial effects that the thickness difference of the cable joints with different specifications can be self-adapted, the dual functions of light-load contact and pressure adjustment are realized, cables with different wire diameters can be firmly crimped, the cables are prevented from being damaged by excessive crimping, meanwhile, various joint types are compatible, the electrified part is isolated from external metal, and the insulation performance and the operation safety of the binding post under the complex environments such as humidity, dust and the like are obviously improved.

Inventors

  • WANG ZHONGQING
  • YANG FUCHAO

Assignees

  • 鲁特电工股份有限公司

Dates

Publication Date
20260512
Application Date
20250624

Claims (7)

  1. 1. An adjustable binding post for a three-phase dry-type transformer is characterized by comprising, The connecting component (100) comprises a column body (101), a sealing plate (102) fixedly connected to the side wall of the column body (101), a base plate (103) fixedly connected to the inside of the column body (101) and a cable clamping joint (104) which is installed on the side wall of the end part of the column body (101) in a sealing mode, wherein the end part of the cable clamping joint (104) extends into the column body (101); The wiring part (200) comprises a supporting plate (201) fixedly connected to the side wall of the base plate (103), a connecting piece (202) fixedly connected to the side wall of the supporting plate (201), a wire head protecting cover (203) inserted in the middle of the connecting piece (202), and a wiring row (204) fixedly connected to the side wall of the base plate (103), wherein the end part of the wiring row (204) extends to the side wall of the cable clamping connector (104).
  2. 2. The adjustable three-phase dry-type transformer terminal of claim 1, wherein the wiring component (200) further comprises a wire pressing plate (205) inserted into the side wall of the wire end protection cover (203), a positioning column (206) is inserted into the inner side of the middle sliding groove of the wire pressing plate (205), and the end part of the positioning column (206) is in threaded connection with the side wall of the supporting plate (201).
  3. 3. The terminal for an adjustable three-phase dry-type transformer of claim 2, wherein a spring (207) is sleeved in the middle of the positioning column (206), one end of the spring (207) is elastically contacted with the side part of the line pressing plate (205), and the other end of the spring (207) is elastically contacted with the upper end face of the supporting plate (201).
  4. 4. The terminal for an adjustable three-phase dry-type transformer of claim 3, wherein a nut (208) is screwed at the end of the positioning post (206), and the nut (208) is clamped at the upper end of the wire pressing plate (205).
  5. 5. The adjustable three-phase dry-type transformer terminal of claim 4, wherein the wiring component (200) further comprises a limiting post (209) connected to the side wall of the supporting plate (201) in a threaded mode, and an adjusting block (210) connected to the end portion of the limiting post (209) in a threaded mode, the adjusting block (210) is clamped in the middle of a groove at the end portion of the line pressing plate (205), and the height of the end portion of the limiting post (209) is equal to the height of a wiring hole in the side wall of the line head protection cover (203).
  6. 6. The terminal for an adjustable three-phase dry-type transformer according to claim 5, wherein the connecting member (100) further comprises a sensor connecting cover (105) mounted on a side wall of the cylinder (101), and a plug (106) sealingly mounted on a side wall of the cylinder (101), and an end portion of the sensor connecting cover (105) extends into the cylinder (101).
  7. 7. The terminal for an adjustable three-phase dry-type transformer of claim 6, wherein a sealing ring is arranged at the joint of the cylinder (101) and the sealing plate (102), and the side wall of the sealing plate (102) is tightly attached to the side wall of the cylinder (101).

Description

Terminal for three-phase dry-type transformer with adjustable Technical Field The utility model belongs to the technical field of dry transformers, and particularly relates to an adjustable binding post for a three-phase dry transformer. Background Along with the intelligent and efficient development of the power system, the three-phase dry-type transformer is increasingly widely applied in the industrial and civil fields. The binding post is used as a core component for power transmission, and needs to meet the requirements of high-reliability electrical connection, convenient maintenance and debugging and stability in a complex environment. Traditional terminal lacks the adjustability mostly for fixed knot structure, and cable joint compresses tightly through single bolt, can't adapt to the centre gripping demand of different specification cables, easily causes local heating and even arc discharge because of the contact failure. In open air or humid environment, the inside of terminal is easily suffered from steam, dust invasion, leads to insulating properties to drop, increases the short circuit risk. Disclosure of utility model The utility model aims to provide an adjustable binding post for a three-phase dry-type transformer, which aims to solve the problems in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: An adjustable terminal for a three-phase dry-type transformer, comprising, The connecting component comprises a column body, a sealing plate fixedly connected to the side wall of the column body, a base plate fixedly connected to the inside of the column body, and a cable clamping joint hermetically installed on the side wall of the end part of the column body, wherein the end part of the cable clamping joint extends to the inside of the column body; The wiring part comprises a supporting plate fixedly connected with the side wall of the backing plate, a connecting piece fixedly connected with the side wall of the supporting plate, a wire head protecting cover inserted in the middle of the connecting piece, and a wiring row fixedly connected with the side wall of the backing plate, wherein the end part of the wiring row extends to the side wall of the cable clamping joint. As a preferable scheme of the utility model, the wiring part further comprises a wire pressing plate inserted into the side wall of the wire end protection cover, a positioning column is inserted into the inner side of the middle sliding groove of the wire pressing plate, and the end part of the positioning column is in threaded connection with the side wall of the support plate. As a preferable scheme of the utility model, a spring is sleeved in the middle of the positioning column, one end of the spring is elastically contacted with the side part of the line pressing plate, and the other end of the spring is elastically contacted with the upper end surface of the supporting plate. As a preferable scheme of the utility model, the end part of the positioning column is connected with a nut in a threaded manner, and the nut is clamped at the upper end of the line pressing plate. As a preferable scheme of the utility model, the wiring part further comprises a limit post which is connected with the side wall of the supporting plate in a threaded manner, and an adjusting block which is connected with the end part of the limit post in a threaded manner, wherein the adjusting block is clamped in the middle of a groove at the end part of the line pressing plate, and the end part of the limit post is leveled with the wiring hole height at the side wall of the line head protecting cover. As a preferred embodiment of the present utility model, the connection part further includes a sensor connection cover mounted on a side wall of the cylinder, and a plug sealingly mounted on the side wall of the cylinder, and an end portion of the sensor connection cover extends into the cylinder. As a preferable scheme of the utility model, a sealing ring is arranged at the joint of the cylinder and the sealing plate, and the side wall of the sealing plate is tightly attached to the side wall of the cylinder. Compared with the prior art, the utility model has the advantages that the thickness difference of the cable connectors with different specifications can be self-adapted, the dual functions of light-load contact and pressure adjustment are realized, cables with different wire diameters can be firmly crimped, the travel limiting mechanism formed by the limiting column and the regulating block can accurately limit the moving distance of the wire pressing plate, the cable is prevented from being damaged by excessive crimping, meanwhile, the cable connector is compatible with various connector types, the repeated dismounting loss is reduced, the electrified part is isolated from external metal, and the insulation performance and the operation safety of the binding post under