CN-224215993-U - Rotor coil height detection mechanism

CN224215993UCN 224215993 UCN224215993 UCN 224215993UCN-224215993-U

Abstract

The utility model discloses a rotor coil height detection mechanism which comprises a base and a placement seat arranged above the base in a clearance way, wherein the placement seat is detachably connected with the base through a plurality of support rods, a vertical sliding hole is formed in the placement seat, a cylindrical plug is slidably arranged in the vertical sliding hole, a sinking groove for accommodating an armature shaft is formed in the top surface of the cylindrical plug, a measuring meter is arranged on the base, and the measuring head of the measuring meter is vertically upwards and is abutted to the bottom of the cylindrical plug.

Inventors

LAI HAN
Cheng Sucheng
QIN WEIHONG
SONG KUN
LEI YONGCHAO

Assignees

成都华川电装有限责任公司

Dates

Publication Date: 20260508
Application Date: 20250509

Claims (8)

1. The utility model provides a rotor coil height detection mechanism, its characterized in that, includes base and clearance setting place the seat in the base top, place the seat and can dismantle with the base through a plurality of bracing pieces and be connected, vertical slide hole has been seted up on placing the seat, the downthehole slip of vertical slide is provided with the cylinder top, the heavy groove that is used for the holding armature shaft has been seted up to the top surface of cylinder top, install the measuring table on the base, and the measuring head of measuring table is vertical upwards and with the bottom looks butt of cylinder top.
2. The rotor coil height detection mechanism according to claim 1, wherein an annular boss is arranged on the inner side wall of the vertical sliding hole, the outer side wall of the cylindrical plug is in sliding contact with the inner side wall of the annular boss, a limiting ring is sleeved on the outer side wall of the cylindrical plug, a pressure spring cover is detachably arranged at the lower port of the vertical sliding hole, and a rebound pressure spring is sleeved on the cylindrical plug between the limiting ring and the pressure spring cover.
3. The rotor coil height detection mechanism according to claim 2, wherein the top of the cylindrical plug protrudes out of the top surface of the placement seat under the action of the elastic force of the rebound pressure spring, and the upper end of the limit ring is abutted against the lower end of the annular boss.
4. The rotor coil height detection mechanism according to claim 1, wherein the outer side wall of the cylindrical plug is in sliding contact with the inner side wall of the vertical sliding hole, and the friction force between the cylindrical plug and the vertical sliding hole is not smaller than the gravity of the cylindrical plug.
5. The rotor coil height detection mechanism according to claim 2 or 4, wherein the radial dimension of the countersink is smaller than the radial dimension of the armature shaft step, and the radial dimension of the vertical slide hole is larger than the radial dimension of the armature shaft step.
6. The rotor coil height sensing mechanism according to claim 5, wherein the top surface of the cylindrical plug and the top surface of the placement base are both horizontal surfaces.
7. The rotor coil height detection mechanism according to claim 1, wherein a pressing head for abutting against a measuring head of the measuring meter is provided at a bottom of the cylindrical plug.
8. The rotor coil height detection mechanism according to claim 1, wherein a bracket is provided on the base, and the measuring meter is detachably connected with the bracket through a joint.

Description

Rotor coil height detection mechanism Technical Field The utility model relates to the technical field of motor measuring equipment, in particular to a rotor coil height detection mechanism. Background In the motor, a motor rotor is an important part, as shown in fig. 1 and 2, and comprises a motor rotor 15, wherein the motor rotor is covered with a rotor coil 16, one end of the rotor coil is provided with an armature shaft 18, one end of the armature shaft, which is close to the rotor coil, is provided with an armature shaft step 17, and in order to ensure the performance of the motor rotor, the minimum gap height d between the rotor coil and the armature shaft step in the motor rotor needs to meet the preset requirement, so that the minimum gap height d between the rotor coil and the armature shaft step needs to be measured, and the minimum gap height cannot be accurately measured by using a height ruler or a depth ruler because the rotor coil cannot ensure that all coils are at the same height. Disclosure of utility model Aiming at the defects in the prior art, the utility model provides a rotor coil height detection mechanism, which solves the problem that the minimum clearance height between a rotor coil and an armature shaft step is difficult to accurately measure. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides a rotor coil height detection mechanism, it includes base and clearance setting place the seat in the base top, place the seat and can dismantle with the base through a plurality of bracing pieces and be connected, place and seted up vertical slide hole on the seat, the downthehole slip of vertical slide is provided with the cylinder top, the heavy groove that is used for holding the armature shaft has been seted up to the top surface of cylinder top, installs the measuring table on the base, and the measuring head of measuring table is vertical upwards and with the bottom looks butt of cylinder top. Further, be provided with annular boss on the inside wall of vertical slide hole, the lateral wall and the inside wall sliding contact of annular boss of cylinder top is equipped with the spacing ring on the lateral wall of cylinder top, and the detachable pressure spring lid that is provided with in lower port department of vertical slide hole is equipped with the resilience pressure spring on the cylinder top that is located between spacing ring and the pressure spring lid. Further, the top of the cylindrical top head protrudes out of the top surface of the placement seat under the action of the elastic force of the rebound pressure spring, and the upper end of the limiting ring is abutted against the lower end of the annular boss. Further, the outer side wall of the cylindrical plug is in sliding contact with the inner side wall of the vertical sliding hole, and the friction force between the cylindrical plug and the vertical sliding hole is not smaller than the gravity of the cylindrical plug. Further, the radial dimension of the countersink is smaller than the radial dimension of the armature shaft step, and the radial dimension of the vertical slide hole is larger than the radial dimension of the armature shaft step. Further, the top surface of the cylindrical top head and the top surface of the placement seat are both horizontal planes. Further, a pressure head for being abutted with the measuring head of the measuring meter is arranged at the bottom of the cylindrical plug. Further, a support is arranged on the base, and the measuring meter is detachably connected with the support through a connector. The beneficial effects of the utility model are as follows: 1. The method can achieve accurate measurement of the minimum gap height between the rotor coil and the armature shaft step, when the method is used, the measuring meter is mounted on the support, the measuring meter is adjusted to be at an appropriate height until the measuring head of the measuring meter is abutted to the bottom of the cylindrical plug, the top surface of the cylindrical plug protrudes out of the top surface of the placing seat, the plane calibration block is placed on the placing seat, the top surface of the cylindrical plug is pressed down to be flush with the top surface of the placing seat, the measuring meter is calibrated at the moment, then the plane calibration block is removed, the armature shaft of the motor rotor is placed in the sink, and meanwhile the motor rotor presses down the cylindrical plug through the armature shaft step until the rotor coil is in contact with the top surface of the placing seat, and the reading of the measuring meter is the minimum gap height at the moment. 2. According to the scheme, two embodiments exist in the sliding fit relation between the cylindrical plug and the vertical sliding hole, the cylindrical plug can rebound upwards automatically and reset and protrude out of the top surface of t