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CN-224223508-U - Helicopter starting generator carbon brush polishing tool

CN224223508UCN 224223508 UCN224223508 UCN 224223508UCN-224223508-U

Abstract

The utility model relates to the field of engine power supply, and discloses a helicopter starting generator carbon brush polishing tool. Compared with the traditional manual polishing mode, the helicopter-started generator carbon brush polishing tool has the advantages that the operation efficiency is remarkably improved, manual polishing is limited by the operation precision and the physical consumption, the single carbon brush polishing usually needs 2 days, the tool is matched with the simulation brush holder to fix the carbon brush for mechanical polishing by means of high-speed rotation after the armature body is electrified, the manpower intervention and the time consumption of operation are greatly reduced, the automatic polishing process enables the carbon brush to be rapidly molded under the stable rotating speed and the contact pressure, the single carbon brush polishing time is shortened to 2 hours, the manual frequent adjustment of polishing angles and forces is not needed, the tool is particularly suitable for batch processing, the overall production efficiency is effectively improved, and the labor cost and the time cost are reduced.

Inventors

  • ZHANG XIAOFENG
  • SONG JUNFENG
  • Chao Pengpeng

Assignees

  • 陕西直升机股份有限公司

Dates

Publication Date
20260512
Application Date
20250611

Claims (7)

  1. 1. The helicopter starting generator carbon brush polishing tool comprises an armature fixing clamp (1) and is characterized in that an armature body (2) is arranged on one side of the armature fixing clamp (1), and an analog brush holder (3) is arranged on one side of the armature body (2); Armature mounting fixture (1) is including fixing base (101), first anchor clamps (103), second supporting seat (104), two connecting screw rods (105) and second anchor clamps (106), fixing base (101) upper end is fixed to be provided with first supporting seat (102), simulation brush holder (3) are including circular base (301), a plurality of fixing bolt (303), a plurality of dead lever (304) and a plurality of mount (307), and is a plurality of both ends surface is all fixed to be provided with clamp splice (305) about dead lever (304), a plurality of mount (307) both sides are all fixed and are provided with fixed block (302).
  2. 2. The helicopter start generator carbon brush polishing tool of claim 1, wherein the first clamp (103) is fixedly arranged at the middle position of the upper end of the first supporting seat (102).
  3. 3. The carbon brush polishing tool for the helicopter starting generator of claim 1, wherein the second clamp (106) is fixedly arranged at the middle position of the lower end of the second supporting seat (104).
  4. 4. The helicopter start generator carbon brush polishing tool of claim 1, wherein the first supporting seat (102) and the second supporting seat (104) are connected through two connecting screws (105).
  5. 5. The helicopter start generator carbon brush polishing tool of claim 1, wherein the plurality of fixing blocks (302) are fixedly connected with the circular base (301) through fixing bolts (303).
  6. 6. The helicopter start generator carbon brush polishing tool of claim 1, wherein a plurality of fixing rods (304) are fixedly arranged around the upper end of the circular base (301) respectively.
  7. 7. The helicopter start generator carbon brush polishing tool of claim 1, wherein a bearing (306) is rotatably arranged at the middle position of the upper end of the circular base (301).

Description

Helicopter starting generator carbon brush polishing tool Technical Field The utility model relates to the field of engine power supply, in particular to a carbon brush polishing tool for a helicopter starting generator. Background The helicopter starting generator is core airborne equipment with dual functions of starting and generating, the equipment is powered by an external power supply or an airborne battery in a starting stage, torque is output in a motor mode, a helicopter engine is driven to achieve self-sustaining rotating speed, a starting process is completed, after the engine enters a stable working state, the equipment is switched into a generator mode, an engine crankshaft is driven by a transmission system to convert mechanical energy into electric energy, power is supplied to avionics equipment, a hydraulic system, illumination and other complete machine power loads, and meanwhile a storage battery is charged. In the startup generator overhaul process, carbon brush polishing is a key link, the existing polishing tool is mainly composed of a brush holder, a carbon brush and an armature, the carbon brush is required to be installed on the brush holder during operation, then the brush holder is assembled to the armature by manpower and rotates in a specific direction, meanwhile, the armature can only be fixed by means of a spline wrench by manpower, the polishing efficiency is extremely low, the time for single operation is often as long as 2 days, the manual fixing mode is difficult to ensure even force, uneven polishing of the carbon brush is extremely easy to cause, hidden danger is buried for subsequent use, and therefore, a helicopter startup generator carbon brush polishing tool is provided by a person skilled in the art to solve the problem in the background technology. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a helicopter starting generator carbon brush polishing tool which effectively improves the overall production efficiency, reduces the labor cost and the time cost and can avoid the problems of poor contact and partial abrasion caused by uneven polishing. In order to achieve the above purpose, the present utility model provides the following technical solutions: The helicopter starting generator carbon brush polishing tool comprises an armature fixing clamp, wherein an armature body is arranged on one side of the armature fixing clamp, and a simulation brush holder is arranged on one side of the armature body; The armature fixing clamp comprises a fixing seat, a first clamp, a second supporting seat, two connecting screws and a second clamp, wherein the first supporting seat is fixedly arranged at the upper end of the fixing seat, the simulation brush holder comprises a round base, a plurality of fixing bolts, a plurality of fixing rods and a plurality of fixing frames, clamping blocks are fixedly arranged on the outer surfaces of the upper end and the lower end of each fixing rod, and fixing blocks are fixedly arranged on two sides of each fixing frame. Further, the first clamp is fixedly arranged at the middle position of the upper end of the first supporting seat. Further, the second clamp is fixedly arranged at the middle position of the lower end of the second supporting seat. Further, the first supporting seat and the second supporting seat are connected through two connecting screws. Further, a plurality of fixed blocks are fixedly connected with the round base through fixing bolts. Further, a plurality of fixing rods are respectively and fixedly arranged around the upper end of the round base. Further, a bearing is rotatably arranged at the middle position of the upper end of the round base. The utility model has the following beneficial effects: 1. Compared with the traditional manual polishing mode, the helicopter-started generator carbon brush polishing tool provided by the utility model has the advantages that the operation efficiency is obviously improved, manual polishing is limited by the operation precision and the physical consumption, the single carbon brush polishing usually needs 2 days, the tool mechanically polishes by means of high-speed rotation after the armature body is electrified and is matched with the simulation brush holder to fix the carbon brush, the manpower intervention and the operation time consumption are greatly reduced, the automatic polishing process enables the carbon brush to be rapidly molded at a stable rotating speed and the contact pressure, the single carbon brush polishing time is shortened to 2 hours, the manual frequent adjustment of polishing angles and forces is not needed, the helicopter-started generator carbon brush polishing tool is particularly suitable for batch carbon brush processing, the overall production efficiency is effectively improved, and the manpower cost and the time cost are reduced. 2. According to the helicopter starting generator carbon brush polis