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CN-224233433-U - Main axis cable installation device of generator rotor

CN224233433UCN 224233433 UCN224233433 UCN 224233433UCN-224233433-U

Abstract

The utility model discloses a device for installing a main axis cable of a generator rotor, which aims to solve the problems of complex installation of the cable on the main axis of the generator rotor and difficult maintenance and replacement. The rotor main shaft comprises a rotor main shaft body, excitation copper bars, cables and a fixing assembly, wherein the excitation copper bars are arranged in parallel with the axis of the rotor main shaft body, the excitation copper bars are arranged in parallel with the cables, the cables penetrate through the fixing assembly, the cables can move in the fixing assembly, the fixing assembly is connected with the excitation copper bars, and the fixing assembly is fixedly connected with the rotor main shaft body. The excitation copper bar and the cable are fixed on the rotor spindle through the fixing component, so that the stability of the cable on the rotor spindle is ensured. The cable is arranged to be movable in the fixed assembly, the cable can be directly detached from the fixed assembly, the operation flow is simplified, the cable laying efficiency is improved, the cable is easily replaced, the easy maintenance performance is improved, the utilization rate of the generator is improved, and the cost is saved.

Inventors

  • DONG YONGCHENG
  • LIANG BINSHENG
  • ZHAO QING

Assignees

  • 深圳阿珂法先进科技有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (10)

  1. 1. The generator rotor main axis cable installation device is characterized by comprising a rotor main axis (1), an excitation copper bar (2), a cable (3) and a fixing assembly (4); Excitation copper bar (2) with the axis parallel arrangement of rotor main shaft (1), excitation copper bar (2) with cable (3) parallel arrangement, cable (3) pass fixed subassembly (4), cable (3) can be in fixed subassembly (4) internal activity, fixed subassembly (4) with excitation copper bar (2) are connected, fixed subassembly (4) with rotor main shaft (1) fixed connection.
  2. 2. The generator rotor main axis cable installation device according to claim 1, characterized in that the fixing assembly (4) comprises a wire clamp (41) and a preset pipeline (42), the preset pipeline (42) is sleeved on the cable (3), the preset pipeline (42) is abutted with the excitation copper bar (2), and the excitation copper bar (2) and the preset pipeline (42) are fixedly connected with the rotor main shaft (1) through the wire clamp (41).
  3. 3. The generator rotor main axis cable installation device according to claim 2, wherein the cable clamp (41) is of a U-shaped structure, the cable clamp (41) comprises a first side (411), a second side (412) and a connection bottom (413), the first side (411) and the second side (412) are connected through the connection bottom (413), the first side (411) is fixedly connected with the rotor main shaft (1), the second side (412) is fixedly connected with the rotor main shaft (1), and the connection bottom (413) is abutted with the excitation copper bar (2).
  4. 4. A generator rotor main axis cable mounting device according to claim 3, characterized in that the pre-set duct (42) is located at a side of the excitation copper bar (2), the pre-set duct (42) being connected with the first side (411).
  5. 5. Generator rotor main axis cable mounting device according to claim 1, characterized in that the fixing assembly (4) comprises a first groove (4 a) formed on the rotor main shaft (1), the excitation copper bar (2) is connected with the first groove (4 a), the cable (3) is in abutment with the inside of the excitation copper bar (2).
  6. 6. Generator rotor main axis cable mounting device according to claim 5, characterized in that the fixing assembly (4) further comprises a second groove (4 b) formed on the rotor main shaft (1), the second groove (4 b) being located at the bottom of the first groove (4 a), the second groove (4 b) being in communication with the first groove (4 a), the cable (3) being arranged in the second groove (4 b), the excitation copper bar (2) being connected with the bottom of the first groove (4 a).
  7. 7. The generator rotor main axis cable mounting device according to claim 5, characterized in that the fixing assembly (4) further comprises a second groove (4 b) formed on the rotor main shaft (1) and a preset pipeline (42), the second groove (4 b) is located at the bottom of the first groove (4 a), the second groove (4 b) is communicated with the first groove (4 a), the preset pipeline (42) is arranged in the second groove (4 b), the preset pipeline (42) is sleeved on the cable (3), and the preset pipeline (42) is in butt joint with the inner side of the excitation copper bar (2).
  8. 8. Generator rotor main axis cable mounting device according to claim 7, characterized in that the outer side of the excitation copper bar (2) is flush with the rotor main shaft (1) surface.
  9. 9. Generator rotor main axis cable mounting device according to any of claims 1-8, characterized in that the rotor main shaft (1) is a hollow shaft; The excitation copper bar (2) and the cable (3) are connected with the inner wall of the rotor main shaft (1) through the fixing component (4), and/or, The excitation copper bar (2) and the cable (3) are fixedly connected with the outer wall of the rotor main shaft (1) through the fixing assembly (4).
  10. 10. Generator rotor main axis cable mounting device according to any of claims 1-8, characterized in that the rotor main axis (1) is a solid axis, the excitation copper bars (2) and the cables (3) are fixedly connected with the outer wall of the rotor main axis (1) by means of the fixing assembly (4).

Description

Main axis cable installation device of generator rotor Technical Field The utility model relates to the technical field of secondary wiring of motor equipment, in particular to a main axis cable installation device of a generator rotor. Background The hydraulic generator has the advantages of complex structure, multiple running conditions, particularly multiple lines and components, high safety requirement and high site construction difficulty, and particularly the rotor part. When secondary wires (optical fibers or cables) are required to be laid up and down along the large shaft of the rotor, the current mode is to embed the cables below the leads or to be laid in a mode of being glued along the excitation leads, and once the cables are damaged, the cables can hardly be replaced. The hydraulic generator has quite complex structure and various running states. In particular, in the rotor part, the layout of the lines and the components is very complex, so that extremely high requirements are imposed on safety, and the difficulty of field construction is greatly increased. In the actual operation process, when the secondary wire (including the optical fiber or the cable) needs to be laid so as to extend up and down along the main shaft of the rotor, the method generally adopted at present is to embed the cable below the lead wire or to lay the cable in a manner of gluing along the excitation lead wire. However, this method has the problem that once the cable is damaged, it is difficult to replace, and even impossible to replace, resulting in the equipment being out of service or scrapped. Disclosure of utility model The utility model aims to provide a device for installing a main axis cable of a generator rotor, which aims to solve the problems of complex installation of the cable on a main axis of the generator rotor and difficult maintenance and replacement. In order to solve the problems, the utility model provides a generator rotor main axis cable installation device, which comprises a rotor main shaft, an excitation copper bar, a cable and a fixing component; The excitation copper bars are arranged in parallel with the axis of the rotor spindle, the excitation copper bars are arranged in parallel with the cables, the cables penetrate through the fixing assemblies, the cables can move in the fixing assemblies, the fixing assemblies are connected with the excitation copper bars, and the fixing assemblies are fixedly connected with the rotor spindle. Preferably, the fixing assembly comprises a wire clamp and a preset pipeline, the preset pipeline is sleeved on the cable, the preset pipeline is abutted to the excitation copper bar, and the excitation copper bar and the preset pipeline are fixedly connected with the rotor spindle through the wire clamp. Preferably, the wire clamp is of a U-shaped structure, the wire clamp comprises a first side edge, a second side edge and a connecting bottom, the first side edge and the second side edge are connected through the connecting bottom, the first side edge is fixedly connected with the rotor spindle, the second side edge is fixedly connected with the rotor spindle, and the connecting bottom is in butt joint with the excitation copper bar. Preferably, the preset pipeline is located at a side edge of the excitation copper bar, and the preset pipeline is connected with the first side edge. Preferably, the fixing assembly comprises a first groove formed on the rotor main shaft, the excitation copper bar is connected with the first groove, and the cable is abutted against the inner side of the excitation copper bar. Preferably, the fixing assembly further comprises a second groove formed on the rotor spindle, the second groove is located at the bottom of the first groove, the second groove is communicated with the first groove, the cable is arranged in the second groove, and the excitation copper bar is connected with the bottom of the first groove. Preferably, the fixing assembly further comprises a second groove formed on the rotor spindle and a preset pipeline, the second groove is located at the bottom of the first groove and communicated with the first groove, the preset pipeline is arranged in the second groove and sleeved on the cable, and the preset pipeline is in butt joint with the inner side of the excitation copper bar. Preferably, the outer side of the excitation copper bar is flush with the surface of the rotor main shaft. Preferably, the rotor main shaft is a hollow shaft; The excitation copper bar and the cable are connected with the inner wall of the rotor main shaft through the fixing component, and/or, The excitation copper bar and the cable are fixedly connected with the outer wall of the rotor spindle through the fixing assembly. Preferably, the rotor main shaft is a solid shaft, and the excitation copper bar and the cable are fixedly connected with the outer wall of the rotor main shaft through the fixing assembly. Through the arrangement, the ex